Integrated Taxonomic Information System - Taxon Author Search Results


Taxon author: [Ménétriés], 1850

ITIS records citing taxon author "[Ménétriés], 1850"
 
 Kingdom Animalia
  Acanthaspis fulvipes (Dallas, 1850) -- valid
  Acanthobothrium dujardini van Beneden, 1850 -- valid
  Acanthophyllia deshayesiana (Michelin, 1850) -- valid
  Acanthurus pentazona Bleeker, 1850 -- invalid
  Achiroides melanorhynchus (Bleeker, 1850) -- valid
  Achorotile albosignata (Dahlbom, 1850) -- valid
  Acinocoris interruptus Herrich-Schaeffer, 1850 -- valid
  Acreotrichus Marquart, 1850 -- invalid
  Acricotopus lucens (Zetterstedt, 1850) -- valid
  Aedes alboannulatus (Macquart, 1850) -- valid
  Aedes rubrithorax (Macquart, 1850) -- valid
  Aethopyga Cabanis, 1850 -- valid
  Agathotoma densestriata (C. B. Adams, 1850) -- valid
  Agenysa desmaresti (Boheman, 1850) -- valid
  Agenysa parellina (Boheman, 1850) -- valid
  Alcedo azurea lessonii (Cassin, 1850) -- valid
  Alpheus formosus Gibbes, 1850 -- valid -- striped snapping shrimp
  Alvania aberrans (C. B. Adams, 1850) -- valid
  Alvania abyssicola (Forbes, 1850) -- valid
  Amitus Haldeman, 1850 -- valid
  Amitus aleurodinis Haldeman, 1850 -- valid
  Amphispiza belli (Cassin, 1850) -- invalid -- Sage Sparrow, Zacatonero de artemisa
  Amphispiza belli belli (Cassin, 1850) -- invalid
  Amphispiza bilineata (Cassin, 1850) -- valid -- Black-throated Sparrow, Zacatonero garganta negra
  Amphispiza bilineata bilineata (Cassin, 1850) -- valid
  Anacassis maculatissima (Boheman, 1850) -- valid
  Anacassis testudinaria (Boheman, 1850) -- valid
  Anachis albella C. B. Adams, 1850 -- valid
  Anepsiomorpha deplanata (Boheman, 1850) -- valid
  Anisops sardea Herrich-Schäffer, 1850 -- invalid
  Anisops sardeus Herrich-Schäffer, 1850 -- valid
  Anisops sardeus sardeus Herrich-Schäffer, 1850 -- valid
  Anisotamia eximia Macquart, 1850 -- invalid
  Anodonta solidula Deville & Hupé, 1850 -- invalid
  Anoplocnemis protracta (Herrich-Schäffer, 1850) -- valid
  Anthobaphes Cabanis, 1850 -- valid
  Anthobothrium van Beneden, 1850 -- valid
  Anthobothrium cornucopia van Beneden, 1850 -- valid
  Anthoscopus Cabanis, 1850 -- valid
  Anthrax conifacies Macquart, 1850 -- invalid
  Anthrax floridana Macquart, 1850 -- invalid
  Antissella parvidentata (Macquart, 1850) -- valid
  Aphaenogaster livida (Heer, 1850) -- valid
  Aploactisoma milesii (Richardson, 1850) -- valid -- velvetfish
  Aquila rapax belisarius (J. Levaillant, 1850) -- valid
  Argyropelecus aculeatus Valenciennes in Cuvier and Valenciennes, 1850 -- valid -- Atlantic silver hatchetfish, marine hatchetfish, pez hacha plateado, silver hatchetfish
  Argyrosomus macrophthalmus (Bleeker, 1850) -- invalid -- whitemouth croaker, whitemouth croaker
  Arhaphe Herrich-Schaeffer, 1850 -- valid
  Arhaphe carolina Herrich-Schaeffer, 1850 -- valid
  Ariasa diupsilon (Walker, 1850) -- valid
  Ariasa nigrorufa (Walker, 1850) -- valid
  Ariasa urens (Walker, 1850) -- valid
  Artemisiospiza belli (Cassin, 1850) -- valid -- Bell's Sparrow, Sage Sparrow, Zacatonero de artemisa
  Artemisiospiza belli belli (Cassin, 1850) -- valid
  Aslamidium impurum (Boheman, 1850) -- valid
  Aspella paupercula (C. B. Adams, 1850) -- valid
  Assiminea concolor (C. B. Adams, 1850) -- invalid
  Astyanax orbignyanus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Atlanta fusca Souleyet, 1850 -- invalid
  Attopsis Heer, 1850 -- valid
  Attopsis longipennis Heer, 1850 -- valid
  Atys nonscriptus (A. Adams, 1850) -- valid -- clean-slate glassy-bubble
  Aulopus milesii Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Auriglobus modestus (Bleeker, 1850) -- valid
  Awaous stamineus (Eydoux and Souleyet, 1850) -- invalid
  Axion Mulsant, 1850 -- valid
  Azya Mulsant, 1850 -- valid
  Azya orbigera Mulsant, 1850 -- valid
  Azya orbigera orbigera Mulsant, 1850 -- valid
  Bacanius consobrinus (Aubé, 1850) -- valid
  Baeolophus Cabanis, 1850 -- valid -- Titmice
  Baeolophus atricristatus (Cassin, 1850) -- valid -- Black-crested Titmouse
  Baeolophus atricristatus atricristatus (Cassin, 1850) -- valid
  Bailya parva (C. B. Adams, 1850) -- valid
  Balcis arcuata C. B. Adams, 1850 -- invalid
  Barbodes gonionotus (Bleeker, 1850) -- invalid
  Barbonymus gonionotus (Bleeker, 1850) -- valid
  Basiprionota decemmaculata (Boheman, 1850) -- valid
  Basiprionota decempustulata (Boheman, 1850) -- valid
  Basiprionota maerkeli (Boheman, 1850) -- valid
  Basiprionota octomaculata (Boheman, 1850) -- valid
  Basiprionota quadriimpresa (Boheman, 1850) -- valid
  Basiprionota sexmaculata (Boheman, 1850) -- valid
  Bdeogale Peters, 1850 -- valid
  Beris filipalpis Macquart, 1850 -- invalid
  Beris fusciventris Macquart, 1850 -- invalid
  Beris nitidithorax Macquart, 1850 -- invalid
  Beris parvidentata Macquart, 1850 -- invalid
  Betta Bleeker, 1850 -- valid -- bettas, fighting fishes
  Biasticus nigricollis (Dallas, 1850) -- valid
  Bistonini Stephens, 1850 -- invalid
  Bodianus vulpinus (Richardson, 1850) -- valid
  Botanochara bonariensis (Boheman, 1850) -- valid
  Botanochara cancellata (Boheman, 1850) -- valid
  Botanochara decemnotata (Boheman, 1850) -- valid
  Botanochara decempustulata (Boheman, 1850) -- valid
  Botanochara decemverrucata (Boheman, 1850) -- valid
  Botanochara duodecimnotata (Boheman, 1850) -- valid
  Botanochara duodecimverrucata (Boheman, 1850) -- valid
  Botanochara encausta (Boheman, 1850) -- valid
  Botanochara fastidita (Boheman, 1850) -- valid
  Botanochara impressipennis (Boheman, 1850) -- valid
  Botanochara intricata (Boheman, 1850) -- valid
  Botanochara macularia (Boheman, 1850) -- valid
  Botanochara missionea (Boheman, 1850) -- valid
  Botanochara nigropicta (Boheman, 1850) -- valid
  Botanochara ordinata (Boheman, 1850) -- valid
  Botanochara ornata (Boheman, 1850) -- valid
  Botanochara pavonia (Boheman, 1850) -- valid
  Botanochara rubroguttata (Boheman, 1850) -- valid
  Botanochara ruforeticulata (Boheman, 1850) -- valid
  Botanochara subnervosa (Boheman, 1850) -- valid
  Bouchardia Davidson, 1850 -- valid
  Bougainvilliidae Lütken, 1850 -- valid
  Boulengerella maculata (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Boulengerella maculatum (Valenciennes in Cuvier and Valenciennes, 1850) -- invalid
  Brachiacantha lepida Mulsant, 1850 -- valid
  Brachiacantha quadripunctata flavifrons Mulsant, 1850 -- valid
  Brachiacantha subfasciata Mulsant, 1850 -- valid
  Brachychalcinus orbicularis (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Brachycythara biconica (C. B. Adams, 1850) -- valid
  Brumus Mulsant, 1850 -- valid
  Brycinus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Brycinus macrolepidotus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Brycon hilarii (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Brycon orbignyanus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Budorcas Hodgson, 1850 -- valid
  Budorcas taxicolor Hodgson, 1850 -- valid -- takin, Takin
  Budorcas taxicolor taxicolor Hodgson, 1850 -- valid
  Bulla occidentalis A. Adams, 1850 -- invalid
  Bulla punctata A. Adams, 1850 -- invalid
  Bulla quoyii A. Adams, 1850 -- invalid
  Buteo rufinus cirtensis (J. Levaillant, 1850) -- valid
  Buthraupis Cabanis, 1850 -- valid
  Bycanistes fistulator (Cassin, 1850) -- valid -- Piping Hornbill
  Bycanistes fistulator fistulator (Cassin, 1850) -- valid
  Caelostomus punctifrons (Chaudoir, 1850) -- valid
  Callianassa grandimana Gibbes, 1850 -- invalid
  Calliaspis cinnabarina Boheman, 1850 -- valid
  Calliaspis discophora Boheman, 1850 -- valid
  Calliaspis funeraria Boheman, 1850 -- valid
  Calliobothrium van Beneden, 1850 -- valid
  Calliostoma pulchrum (C. B. Adams, 1850) -- valid -- beautiful topsnail
  Calosoma aurocinctum Chaudoir, 1850 -- valid
  Calvia Mulsant, 1850 -- valid
  Calyptocephala brevicornis Boheman, 1850 -- valid
  Calyptocephala lutea Boheman, 1850 -- valid
  Calyptocephala marginipennis Boheman, 1850 -- valid
  Calyptocephala punctata Boheman, 1850 -- valid
  Calyria cuna (Walker, 1850) -- valid
  Calyria stigma (Walker, 1850) -- valid
  Campeprosopa Macquart, 1850 -- valid
  Campeprosopa flavipes (Macquart, 1850) -- valid
  Camperosopa flavipes Macquart, 1850 -- invalid
  Camponotus heracleus (Heer, 1850) -- valid
  Camponotus induratus (Heer, 1850) -- valid
  Camponotus oeningensis (Heer, 1850) -- valid
  Camponotus pinguiculus (Heer, 1850) -- valid
  Camponotus pinguis (Heer, 1850) -- valid
  Campylorhynchus griseus minor (Cabanis, 1850) -- valid
  Candona torosa Jones, 1850 -- invalid
  Canistra calamitosa Boheman, 1850 -- valid
  Canistra procera Boheman, 1850 -- valid
  Cantorchilus leucotis venezuelanus (Cabanis, 1850) -- valid
  Caranx pinnulatus Eydoux and Souleyet, 1850 -- invalid
  Caranx stellatus Eydoux and Souleyet, 1850 -- invalid -- starry trevally, starry trevally
  Carduelis lawrencei Cassin, 1850 -- invalid -- Jilguero gris, Lawrence's Goldfinch
  Carineta basalis Walker, 1850 -- valid
  Carineta pilosa Walker, 1850 -- valid
  Carineta submarginata Walker, 1850 -- valid
  Cassidinoma denticulata (Boheman, 1850) -- valid
  Cassidinoma monstrosa (Boheman, 1850) -- valid
  Castalia orbignyi (Deville & Hupé, 1850) -- valid
  Cataglyphis Förster, 1850 -- valid
  Cataleptodius floridanus (Gibbes, 1850) -- valid -- spoonfinger rubble crab
  Cataulacus anthracinus (Heer, 1850) -- valid
  Catharus aurantiirostris melpomene (Cabanis, 1850) -- valid
  Caudina chilensis (J. Müller, 1850) -- invalid
  Ceratogymna fistulator (Cassin, 1850) -- invalid
  Cercopithecus pogonias grayi Fraser, 1850 -- valid -- Gray's Crowned Monkey
  Cercotmetus pilipes (Dallas, 1850) -- valid
  Cerithiopsis albovittata (C. B. Adams, 1850) -- valid
  Cerithiopsis bicolor (C. B. Adams, 1850) -- valid
  Cerithiopsis flava (C. B. Adams, 1850) -- valid
  Cerithiopsis fusiformis (C. B. Adams, 1850) -- valid
  Cerithiopsis lata (C. B. Adams, 1850) -- valid
  Cerithiopsis latum (C. B. Adams, 1850) -- valid
  Cerithiopsis rugulosum (C. B. Adams, 1850) -- valid
  Cerithium versicolor C. B. Adams, 1850 -- invalid
  Ceuthophilus gracilipes (Haldeman, 1850) -- valid
  Ceuthophilus gracilipes gracilipes (Haldeman, 1850) -- valid
  Chaetodon oligacanthus Bleeker, 1850 -- valid
  Chaetura brachyura cinereocauda (Cassin, 1850) -- valid
  Chalcoparia Cabanis, 1850 -- valid
  Cheilodactylus nigricans (Richardson, 1850) -- invalid
  Cheilodactylus nigripes Richardson, 1850 -- valid
  Chelidonura A. Adams, 1850 -- valid
  Cheramoeca Cabanis, 1850 -- valid
  Chesiadini Stephens, 1850 -- valid
  Chiridota pygmaea J. Müller, 1850 -- invalid
  Chironomus alpicola Zetterstedt, 1850 -- invalid
  Chironomus atomarius Zetterstedt, 1850 -- invalid
  Chironomus atratulus Zetterstedt, 1850 -- invalid
  Chironomus brevitibialis Zetterstedt, 1850 -- invalid
  Chironomus coracina Zetterstedt, 1850 -- invalid
  Chironomus ferrugineovittatus Zetterstedt, 1850 -- invalid
  Chironomus lucens Zetterstedt, 1850 -- invalid
  Chironomus pilitarsis Zetterstedt, 1850 -- invalid
  Chlaenius leucoscelis leucoscelis Chaudoir, 1850 -- valid
  Chlamydocassis bicornuta (Boheman, 1850) -- valid
  Chlamydocassis bispinosa (Boheman, 1850) -- valid
  Chlamydocassis cribripennis (Boheman, 1850) -- valid
  Chlamydocassis intermedia (Boheman, 1850) -- valid
  Chlamydocassis laticollis (Boheman, 1850) -- valid
  Chlamydocassis marginiventris (Boheman, 1850) -- valid
  Chlamydocassis perforata (Boheman, 1850) -- valid
  Chlamydocassis retusa (Boheman, 1850) -- valid
  Chlamydocassis subcornuta (Boheman, 1850) -- valid
  Chlorophoneus Cabanis, 1850 -- valid
  Chonophorus stamineus (Eydoux and Souleyet, 1850) -- invalid
  Chrysallida gemmulosa (C. B. Adams, 1850) -- valid
  Chrysispa acanthina (Reiche in Galin, 1850) -- valid
  Chrysochlora maculiventris Rondani, 1850 -- invalid
  Chrysochlorina maculiventris (Rondani, 1850) -- valid
  Chrysops ater Macquart, 1850 -- valid
  Chrysops excitans Walker, 1850 -- valid
  Chrysops provocans Walker, 1850 -- valid
  Cicadetta calliope (Walker, 1850) -- valid
  Cicadetta calliope calliope (Walker, 1850) -- valid
  Cichlopsis Cabanis, 1850 -- valid
  Cichlopsis leucogenys Cabanis, 1850 -- valid -- Rufous-brown Solitaire
  Cichlopsis leucogenys leucogenys Cabanis, 1850 -- valid
  Cipia dilatata (Signoret, 1850) -- valid
  Cipia dilatata dilatata (Signoret, 1850) -- valid
  Cissa chinensis minor Cabanis, 1850 -- valid
  Cistothorus Cabanis, 1850 -- valid -- Marsh Wrens
  Clethrionomys Tilesius, 1850 -- invalid -- red-backed voles
  Clibanarius tricolor (Gibbes, 1850) -- valid -- tricolor hermit
  Clytia gracilis (M. Sars, 1850) -- valid
  Cnemodus Herrich-Schaeffer, 1850 -- valid
  Cnemodus brevipennis Herrich-Schaeffer, 1850 -- invalid
  Coccinella hieroglyphica mannerheimi Mulsant, 1850 -- valid
  Coccinella monticola Mulsant, 1850 -- valid
  Coccinella trifasciata perplexa Mulsant, 1850 -- valid
  Coelophora Mulsant, 1850 -- valid
  Coenophila Stephens, 1850 -- valid
  Coereba flaveola chloropyga (Cabanis, 1850) -- valid
  Coereba flaveola guianensis (Cabanis, 1850) -- valid
  Coereba flaveola luteola (Cabanis, 1850) -- valid
  Conger cinereus marginatus Valenciennes in Eydoux and Souleyet, 1850 -- valid
  Conger marginalis Valenciennes in Eydoux and Souleyet, 1850 -- invalid -- puhi uha, white eel
  Conger marginatus Valenciennes in Eydoux and Souleyet, 1850 -- invalid
  Coralliophila aberrans (C. B. Adams, 1850) -- valid -- globose coralsnail
  Cosmioconcha nitens (C. B. Adams, 1850) -- valid
  Cosmotriphora decorata (C. B. Adams, 1850) -- valid -- mottled triphora
  Cosmotriphora melanura (C. B. Adams, 1850) -- valid -- white Atlantic triphora
  Cossyphus vulpinus Richardson, 1850 -- invalid
  Crabro tischbeini Dahlbom, 1850 -- invalid
  Crematogaster pusilla (Heer, 1850) -- valid
  Cricotopus pilitarsis (Zetterstedt, 1850) -- valid
  Cryoturris quadrilineata (C. B. Adams, 1850) -- valid
  Cryphocricos Signoret, 1850 -- valid
  Cryphocricos barozzi Signoret, 1850 -- invalid
  Cryphocricos barozzii Signoret, 1850 -- valid
  Cryptognatha Mulsant, 1850 -- valid
  Cryptogonus Mulsant, 1850 -- valid
  Ctenobrycon spilurus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid -- silver tetra, silver tetra
  Ctenobrycon spilurus spilurus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid -- sailfin characin, sailfin characin
  Ctenolucius hujeta (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Cuculliinae Herrich-Schäffer, 1850 -- valid
  Cuculliini Herrich-Schäffer, 1850 -- invalid
  Culex pusillus Macquart, 1850 -- valid
  Curinus Mulsant, 1850 -- valid
  Curinus coerulens (Mulsant, 1850) -- invalid
  Curinus coeruleus (Mulsant, 1850) -- valid
  Cyanerpes caeruleus longirostris (Cabanis, 1850) -- valid
  Cyanerpes cyaneus brevipes (Cabanis, 1850) -- valid
  Cyanerpes cyaneus eximius (Cabanis, 1850) -- valid
  Cyclocheilichthys enoplus (Bleeker, 1850) -- valid
  Cyclosoma clypeata (Boheman, 1850) -- valid
  Cyclosoma inepta (Boheman, 1850) -- valid
  Cyclosoma mitis (Boheman, 1850) -- valid
  Cyclosoma puberula (Boheman, 1850) -- valid
  Cyclosoma tarsata (Boheman, 1850) -- valid
  Cylichnidae A. Adams, 1850 -- valid
  Cylindrostethus erythropus (Herrich-Schaeffer, 1850) -- invalid
  Cymatium pulchellus C. B. Adams, 1850 -- invalid
  Cynopotamus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Cyphomyia ornata Walker, 1850 -- valid
  Cyprideis torosa (Jones, 1850) -- valid
  Cypris setigera Jones, 1850 -- invalid
  Cyrtonota adspersa (Boheman, 1850) -- valid
  Cyrtonota assimilis (Boheman, 1850) -- valid
  Cyrtonota caudata (Boheman, 1850) -- valid
  Cyrtonota dimidiata (Boheman, 1850) -- valid
  Cyrtonota dissecta (Boheman, 1850) -- valid
  Cyrtonota goryi (Boheman, 1850) -- valid
  Cyrtonota similata (Boheman, 1850) -- valid
  Cyrtonota subnotata (Boheman, 1850) -- valid
  Cyrtonota textilis (Boheman, 1850) -- valid
  Cyrtonota thalassina (Boheman, 1850) -- valid
  Cyrtonota tigrina (Boheman, 1850) -- valid
  Cyrtonota tristigma (Boheman, 1850) -- valid
  Cyrtonota vulnerata (Boheman, 1850) -- valid
  Cytheropteron vespertilio (Reuss, 1850) -- valid
  Dactylophora nigricans (Richardson, 1850) -- valid
  Daihinia Haldeman, 1850 -- valid
  Daihinia brevipes (Haldeman, 1850) -- valid
  Daphnella decorata (C. B. Adams, 1850) -- invalid
  Daza montezuma (Walker, 1850) -- valid
  Decapterus pinnulatus (Eydoux and Souleyet, 1850) -- invalid
  Delphacinus mesoemelas (Boheman, 1850) -- valid
  Demotispa discoidea (Boheman, 1850) -- valid
  Dendrocopos albolarvatus (Cassin, 1850) -- invalid
  Dendrocopos albolarvatus albolarvatus (Cassin, 1850) -- invalid
  Dermaturus Brandt, 1850 -- valid
  Dermaturus mandtii Brandt, 1850 -- valid -- wrinkled crab
  Dermomurex pauperculus (C. B. Adams, 1850) -- valid -- beggar aspella
  Dialysis dissimilis Walker, 1850 -- invalid
  Diaphanosoma Fischer, 1850 -- valid
  Diastoma Deshayes, 1850 -- valid
  Diceroprocta biconica (Walker, 1850) -- valid
  Diceroprocta bicosta (Walker, 1850) -- valid
  Diceroprocta crucifera (Walker, 1850) -- valid
  Diceroprocta mesochlora (Walker, 1850) -- valid
  Diceroprocta olympusa (Walker, 1850) -- valid
  Diceroprocta ornea (Walker, 1850) -- valid
  Diceroprocta psophis (Walker, 1850) -- valid
  Diceroprocta viridifascia (Walker, 1850) -- valid
  Dicladispa acanthina (Reiche in Galin, 1850) -- invalid
  Dictyna civica (Lucas, 1850) -- valid
  Diglossa sittoides hyperythra Cabanis, 1850 -- valid
  Diomus Mulsant, 1850 -- valid
  Diomus floridanus (Mulsant, 1850) -- valid
  Diomus margipallens (Mulsant, 1850) -- invalid
  Diomus myrmidon (Mulsant, 1850) -- valid
  Diomus xanthaspis (Mulsant, 1850) -- valid
  Dioplodon Gervais, 1850 -- invalid
  Diphysa maculiventris Macquart, 1850 -- invalid
  Discomorpha binotata (Boheman, 1850) -- valid
  Discomorpha colliculus (Boheman, 1850) -- valid
  Discomorpha depilata (Boheman, 1850) -- valid
  Discomorpha distigma (Boheman, 1850) -- valid
  Discomorpha dromedarius (Boheman, 1850) -- valid
  Discomorpha ducalis (Boheman, 1850) -- valid
  Discomorpha languinosa (Boheman, 1850) -- valid
  Discomorpha miniata (Boheman, 1850) -- valid
  Discomorpha nigropunctata (Boheman, 1850) -- valid
  Discomorpha peruviana (Boheman, 1850) -- valid
  Dobrotworskyius alboannulatus (Macquart, 1850) -- invalid
  Dobrotworskyius rubrithorax (Macquart, 1850) -- invalid
  Dolichoderus anthracinus (Heer, 1850) -- valid
  Dolichoderus nitidus (Heer, 1850) -- valid
  Dolichopus heteroneurus Macquart, 1850 -- invalid
  Dorisiana semilata (Walker, 1850) -- valid
  Dorisiana viridifemur (Walker, 1850) -- valid
  Drymaeus Albers, 1850 -- valid
  Drymornis bridgesii (Eyton, 1850) -- valid -- Scimitar-billed Woodcreeper
  Dryobates albolarvatus (Cassin, 1850) -- invalid
  Dulderana truncatella (Walker, 1850) -- valid
  Echeneibothrium van Beneden, 1850 -- valid
  Echeneibothrium variabile van Beneden, 1850 -- valid
  Egius Mulsant, 1850 -- valid
  Egius platycephalus Mulsant, 1850 -- valid
  Elytrogona bacca Boheman, 1850 -- valid
  Emberiza sahari J. Levaillant, 1850 -- valid -- House Bunting
  Emberiza sahari sahari J. Levaillant, 1850 -- valid
  Emberiza striolata sahari J. Levaillant, 1850 -- invalid
  Emesodema carolina Herrich-Schaeffer, 1850 -- invalid
  Enallagma doubledayi (Selys, 1850) -- valid -- Atlantic Bluet
  Epalpus Rondani, 1850 -- valid
  Ephippicharax orbicularis (Valenciennes in Cuvier and Valenciennes, 1850) -- invalid
  Ephippium maculipennis Macquart, 1850 -- invalid
  Epilachna varivestis Mulsant, 1850 -- valid
  Epilachna varvivestis Mulsant, 1850 -- invalid -- mexican bean beetle
  Epistictina viridimaculata (Boheman, 1850) -- valid
  Eristalis incisuralis Macquart, 1850 -- invalid
  Eristalis semimetallicus Macquart, 1850 -- invalid
  Eristalis testaceicornis Macquart, 1850 -- invalid
  Eristalis tomentosus Macquart, 1850 -- invalid
  Erycinidae Deshayes, 1850 -- invalid
  Erythropygia galactotes minor (Cabanis, 1850) -- valid
  Esenbeckia nigronotata (Macquart, 1850) -- valid
  Esenbeckia planiventris (Macquart, 1850 -- valid
  Euagoras laticornis Herrich-Schaeffer, 1850 -- invalid
  Euagoras pallescens Herrich-Schaeffer, 1850 -- valid
  Euagoras varius Herrich-Schaeffer, 1850 -- invalid
  Euapta lappa (J. Müller, 1850) -- valid -- beaded sea cucumber
  Eucera interrupta Bär, 1850 -- valid
  Eucera robusta Bär, 1850 -- invalid
  Eugenysa columbiana (Boheman, 1850) -- valid
  Eugenysa lata (Boheman, 1850) -- valid
  Eugenysa regalis (Boheman, 1850) -- valid
  Eulima fulvocincta C. B. Adams, 1850 -- valid -- brown-varice eulima
  Eulithidium affine (C. B. Adams, 1850) -- valid -- checkered pheasant
  Eulithidium affine affine (C. B. Adams, 1850) -- valid -- checkered pheasant
  Eumyias Cabanis, 1850 -- valid
  Eumyias thalassinus thalassoides (Cabanis, 1850) -- valid
  Euthlypis Cabanis, 1850 -- invalid -- Fan-tailed Warblers
  Exochomus childreni Mulsant, 1850 -- valid
  Exochomus childreni childreni Mulsant, 1850 -- valid
  Exoprosopa coniceps Macquart, 1850 -- invalid
  Exoprosopa longirostris Macquart, 1850 -- invalid
  Exoprosopa punctata Macquart, 1850 -- invalid
  Feroculus feroculus (Kelaart, 1850) -- valid -- Kelaart's Long-clawed Shrew
  Fidicina brisa (Walker, 1850) -- invalid
  Fidicina chlorogena Walker, 1850 -- valid
  Fidicina cuta (Walker, 1850) -- invalid
  Fidicina passerculus (Walker, 1850) -- invalid
  Fidicina picea Walker, 1850 -- invalid
  Fidicina pronoe (Walker, 1850) -- invalid
  Fidicina rosacordis (Walker, 1850) -- valid
  Fidicina sciras (Walker, 1850) -- valid
  Fidicina spinicosta Walker, 1850 -- invalid
  Fidicina viridifemur (Walker, 1850) -- invalid
  Fidicinoides brisa (Walker, 1850) -- valid
  Fidicinoides passerculus (Walker, 1850) -- valid
  Fidicinoides picea (Walker, 1850) -- valid
  Fidicinoides pronoe (Walker, 1850) -- valid
  Fidicinoides spinicosta (Walker, 1850) -- valid
  Fidicinoides viridifemur (Walker, 1850) -- invalid
  Formica acuminata Heer, 1850 -- valid
  Formica atavina Heer, 1850 -- valid
  Formica demersa Heer, 1850 -- valid
  Formica globiventris Heer, 1850 -- valid
  Formica gravida Heer, 1850 -- valid
  Formica immersa Heer, 1850 -- valid
  Formica lavateri Heer, 1850 -- valid
  Formica lavateri lavateri Heer, 1850 -- valid
  Formica longicollis Heer, 1850 -- valid
  Formica longiventris Heer, 1850 -- valid
  Formica macrocephala Heer, 1850 -- valid
  Formica macrophthalma Heer, 1850 -- valid
  Formica obtecta Heer, 1850 -- valid
  Formica obvoluta Heer, 1850 -- valid
  Formica ocella Heer, 1850 -- valid
  Formica oculata Heer, 1850 -- valid
  Formica ophthalmica Heer, 1850 -- valid
  Formica orbata Heer, 1850 -- valid
  Formica polyctena Foerster, 1850 -- valid
  Formica primitiva Heer, 1850 -- valid
  Formica primordialis Heer, 1850 -- valid
  Formica procera Heer, 1850 -- valid
  Formica pulchella Heer, 1850 -- valid
  Formica pumila Heer, 1850 -- valid
  Formica seuberti Heer, 1850 -- valid
  Formica ungeri Heer, 1850 -- valid
  Fringilla coelebs africana J. Levaillant, 1850 -- valid
  Gadiculus Guichenot, 1850 -- valid -- silvery pouts
  Gadiculus argenteus Guichenot, 1850 -- valid -- silvery pout
  Gadila subfusiformes (M. Sars, 1850) -- valid
  Gasterosteus cuvieri Girard in Storer, 1850 -- invalid
  Gastrodonta Albers, 1850 -- valid
  Genea Rondani, 1850 -- valid
  Genea (Genea) Rondani, 1850 -- valid
  Georychus rufescens Eversmann, 1850 -- invalid
  Gerres abbreviatus Bleeker, 1850 -- valid -- short silverbelly, short silverbelly
  Gerris costae (Herrich-Schaeffer, 1850) -- valid
  Gerris costae costae (Herrich-Schaeffer, 1850) -- valid
  Gibbesia neglecta (Gibbes, 1850) -- valid
  Glyphoturris diminuta (C. B. Adams, 1850) -- valid
  Glyptauchen panduratus (Richardson, 1850) -- valid -- goblinfish
  Golunda coffaeus Kelaart, 1850 -- invalid
  Goniochenia difformis (Boheman, 1850) -- valid
  Goniochenia elocata (Boheman, 1850) -- valid
  Goniochenia quadraticollis (Boheman, 1850) -- valid
  Gonothyraea gracilis (M. Sars, 1850) -- invalid
  Grammaria abietina (M. Sars, 1850) -- valid
  Grillotia minuta (van Beneden, 1850) -- valid
  Guyalna cuta (Walker, 1850) -- valid
  Gymnocichla nudiceps (Cassin, 1850) -- valid -- Bare-crowned Antbird
  Gymnocichla nudiceps nudiceps (Cassin, 1850) -- valid
  Halecium pusillum M. Sars, 1850 -- valid
  Haliotis decussata Philippi, 1850 -- invalid
  Halmus Mulsant, 1850 -- valid
  Hapalogaster Brandt, 1850 -- valid
  Hapalogaster mertensii Brandt, 1850 -- valid -- hairy crab
  Hapalogenys mucronatus (Eydoux and Souleyet, 1850) -- valid
  Harmonia Mulsant, 1850 -- valid
  Harpactor pentatoma Herrich-Schaeffer, 1850 -- invalid
  Havinthus pentatoma (Herrich-Schaeffer, 1850) -- invalid
  Havinthus pentatomus (Herrich-Schaeffer, 1850) -- invalid
  Hedydipna Cabanis, 1850 -- valid
  Helophilus annulipes Macquart, 1850 -- invalid
  Hemignathus chloris (Cabanis, 1850) -- invalid
  Hemipenthes floridanus (Macquart, 1850) -- valid
  Hemisciera taurus (Walker, 1850) -- valid
  Hemisphaerota besckei (Boheman, 1850) -- valid
  Hemisphaerota xanthocera (Boheman, 1850) -- valid
  Hemithraupis Cabanis, 1850 -- valid
  Henryhowella asperrima (Reuss, 1850) -- valid
  Herpestes fuscus flavidens Kelaart, 1850 -- valid
  Heteracanthia Macquart, 1850 -- valid
  Heteracanthia ruficornis Macquart, 1850 -- valid
  Heterocrypta granulata (Gibbes, 1850) -- valid -- smooth elbow crab
  Hilarocassis evanida (Boheman, 1850) -- valid
  Hilarocassis suturella (Boheman, 1850) -- valid
  Himatione Cabanis, 1850 -- valid -- 'Apapanes
  Hippodamia glacialis extensa Mulsant, 1850 -- valid
  Hippodamia glacialis lecontei Mulsant, 1850 -- valid
  Hippodamia quindecimmaculata Mulsant, 1850 -- valid
  Hippodamia sinuata Mulsant, 1850 -- valid -- sinuate lady beetle
  Hippodamia sinuata sinuata Mulsant, 1850 -- valid
  Hippolysmata paludosa (Gibbes, 1850) -- invalid
  Hippolyte paludosa Gibbes, 1850 -- invalid
  Hipposideros lankadiva Kelaart, 1850 -- valid -- Indian Leaf-nosed Bat, Indian roundleaf bat
  Hipposideros lankadiva lankadiva Kelaart, 1850 -- valid
  Hirundo obsoleta (Cabanis, 1850) -- invalid
  Hyalina abbreviata C. B. Adams, 1850 -- invalid
  Hyantia honesta (Walker, 1850) -- valid
  Hydrocynus maculatus (Valenciennes in Cuvier and Valenciennes, 1850) -- invalid
  Hygrotus pallidulus (Aubé, 1850) -- valid
  Hylaeus gibbus Saunders, 1850 -- valid
  Hylaeus rubicola Saunders, 1850 -- valid
  Hylaeus versicolor Saunders, 1850 -- valid
  Hylecthrus Saunders, 1850 -- valid
  Hylecthrus quercus Saunders, 1850 -- invalid
  Hylecthrus rubi Saunders, 1850 -- valid
  Hylorops australis (Macquart, 1850) -- valid
  Hyperaspidius venustulus (Mulsant, 1850) -- valid
  Hyperaspis centralis Mulsant, 1850 -- valid
  Hyperaspis disconotata Mulsant, 1850 -- valid
  Hyperaspis donzeli (Mulsant, 1850) -- valid
  Hyperaspis inedita Mulsant, 1850 -- valid
  Hyperaspis jocosa (Mulsant, 1850) -- valid -- orthezia lady beetle
  Hyperaspis lateralis Mulsant, 1850 -- valid
  Hyperaspis levrati (Mulsant, 1850) -- valid
  Hyperaspis senegalensis Mulsant, 1850 -- valid
  Hyperaspis senegalensis hottentotta Mulsant, 1850 -- valid
  Hyperaspis trilineata Mulsant, 1850 -- valid
  Hypochthon carrarae Fitzinger, 1850 -- invalid
  Hypochthon freyeri Fitzinger, 1850 -- invalid
  Hypochthon haidingeri Fitzinger, 1850 -- invalid
  Hypochthon schreibersii Fitzinger, 1850 -- invalid
  Hypochthon xanthostictus Fitzinger, 1850 -- invalid
  Hypochthon zoisii Fitzinger, 1850 -- invalid
  Ibacus novemdentatus Gibbes, 1850 -- valid -- smooth fan lobster
  Iduna opaca (Cabanis, 1850) -- valid
  Ilyobates propinquus (Aubé, 1850) -- valid
  Imatidium chalybaeum (Boheman, 1850) -- valid
  Imatidium rufiventre (Boheman, 1850) -- valid
  Imatidium rufomarginatum (Boheman, 1850) -- valid
  Imhoffia Heer, 1850 -- valid
  Imhoffia nigra Heer, 1850 -- valid
  Inopus Walker, 1850 -- valid
  Inopus despectus Walker, 1850 -- invalid
  Ischnura ramburii (Selys, 1850) -- valid -- Rambur's Forktail
  Iselica anomala (C. B. Adams, 1850) -- valid
  Isyndus obscurus (Dallas, 1850) -- valid
  Isyndus obscurus obscurus (Dallas, 1850) -- valid
  Ithycythara lanceolata (C. B. Adams, 1850) -- valid
  Johnstonia Quatrefages, 1850 -- valid
  Johnstonia clymenoides Quatrefages, 1850 -- valid
  Julis cyanogramma Richardson, 1850 -- invalid
  Kelletia kelletii (Forbes, 1850) -- valid
  Labeo chrysophekadion (Bleeker, 1850) -- valid -- black labeo, black sharkminnow
  Lafoea fruticosa (M. Sars, 1850) -- valid
  Lamprohiza mulsantii (Kiesenwetter, 1850) -- valid
  Laomedea gracilis M. Sars, 1850 -- invalid
  Laonice cirrata (Sars, 1850) -- valid
  Laphria lata Macquart, 1850 -- valid
  Largus marginella Herrich-Schaeffer, 1850 -- invalid
  Largus pallidicornis Herrich-Schaeffer, 1850 -- valid
  Largus sexguttatus Herrich-Schaeffer, 1850 -- valid
  Lasius alienus (Foerster, 1850) -- valid -- cornfield ant
  Lasius bicornis (Foerster, 1850) -- valid
  Lasius globularis (Heer, 1850) -- valid
  Lasius longaevus (Heer, 1850) -- valid
  Lasius longipennis (Heer, 1850) -- valid
  Lasius minutulus (Heer, 1850) -- valid
  Lasius obliteratus (Heer, 1850) -- valid
  Lasius obscurus (Heer, 1850) -- valid
  Lasius occultatus (Heer, 1850) -- valid
  Lasius occultatus occultatus (Heer, 1850) -- valid
  Lasius occultatus parschlugianus (Heer, 1850) -- valid
  Lasius redtenbacheri (Heer, 1850) -- valid
  Lasius redtenbacheri neuter (Heer, 1850) -- valid
  Lasius redtenbacheri redtenbacheri (Heer, 1850) -- valid
  Lejops annulipes (Macquart, 1850) -- valid
  Lepinotus Heyden, 1850 -- valid
  Lepinotus inquilinus Heyden, 1850 -- valid
  Leporellus vittatus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Leporinus elongatus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Leporinus leschenaulti Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Leporinus pachyurus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Leptocoma Cabanis, 1850 -- valid
  Leptodius floridanus (Gibbes, 1850) -- invalid
  Leptothorax nylanderi (Foerster, 1850) -- valid
  Leptothorax nylanderi nylanderi (Foerster, 1850) -- valid
  Leuconerpes albolarvatus Cassin, 1850 -- invalid
  Leuconotopicus albolarvatus (Cassin, 1850) -- valid -- White-headed Woodpecker
  Leuconotopicus albolarvatus albolarvatus (Cassin, 1850) -- valid
  Leucorrhinia Brittinger, 1850 -- valid
  Leucorrhinia hudsonica (Selys, 1850) -- valid -- Hudsonian Whiteface
  Limnophyes atomarius (Zetterstedt, 1850) -- valid
  Liometopum imhoffi (Heer, 1850) -- valid
  Litiopa obesa C. B. Adams, 1850 -- invalid
  Liza lauvergnii (Eydoux and Souleyet, 1850) -- valid
  Loxops maculata (Cabanis, 1850) -- invalid
  Luciola lucernula Reiche in Galin, 1850 -- valid
  Lygaeus bicolor Herrich-Schaeffer, 1850 -- invalid
  Lysmata wurdemanni (Gibbes, 1850) -- valid -- peppermint shrimp
  Macrognathus erythrotaenia (Bleeker, 1850) -- invalid
  Macronus bornensis javanicus (Cabanis, 1850) -- valid
  Macroprotodon Guichenot, 1850 -- valid
  Macroprotodon mauritanicus Guichenot, 1850 -- valid
  Majeorona aper (Walker, 1850) -- valid
  Malacopteron cinereum rufifrons Cabanis, 1850 -- valid
  Mallophora clausicella Macquart, 1850 -- invalid
  Mallophora fulviventris Macquart, 1850 -- valid
  Mangelia biconica C. B. Adams, 1850 -- valid
  Mangelia quadrata diminuta C. B. Adams, 1850 -- valid
  Mastacembelus erythrotaenia Bleeker, 1850 -- valid -- fire eel, fire eel, spotted fire eel
  Megaphorus clausicellus (Macquart, 1850) -- valid
  Megapyga Boheman, 1850 -- valid
  Megapyga coeruleomaculata Boheman, 1850 -- valid
  Megapyga eximia Boheman, 1850 -- valid
  Melanella arcuata (C. B. Adams, 1850) -- valid -- twisted eulima
  Melanella eulimoides (C. B. Adams, 1850) -- valid -- grooved eulima
  Melanella gracilis (C. B. Adams, 1850) -- valid
  Melanopleurus bicolor (Herrich-Schaeffer, 1850) -- valid
  Menobranchus punctatus Gibbes, 1850 -- invalid
  Meridiochorista ruficeps (Newman, 1850) -- valid
  Mesomphalia ampliata Boheman, 1850 -- valid
  Mesomphalia denudata Boheman, 1850 -- valid
  Mesomphalia pyramidata Boheman, 1850 -- valid
  Mesomphalia retipennis Boheman, 1850 -- valid
  Mesomphalia scrobiculata Boheman, 1850 -- valid
  Mesomphalia sexmaculata Boheman, 1850 -- valid
  Mesomphalia sublaevis Boheman, 1850 -- valid
  Mesomphalia tumidula Boheman, 1850 -- valid
  Mesomphalia variolaris Boheman, 1850 -- valid
  Mesoplodon Gervais, 1850 -- valid -- beaked whales
  Messor rufotestaceus (Foerster, 1850) -- valid
  Metaxia rugulosa (C. B. Adams, 1850) -- valid
  Metriocnemus atratulus (Zetterstedt, 1850) -- valid
  Micropsectra brunnipes (Zetterstedt, 1850) -- invalid
  Milesia limbipennis Macquart, 1850 -- invalid
  Mimus gilvus gracilis Cabanis, 1850 -- valid
  Mitrella fenestrata (C. B. Adams, 1850) -- invalid
  Molgula siphonata Alder, 1850 -- valid
  Molpadia chilensis J. Müller, 1850 -- invalid
  Molpadiidae J. Müller, 1850 -- valid
  Morpho peleides Kollar, 1850 -- valid
  Morulius chrysophekadion (Bleeker, 1850) -- invalid -- black sharkminnow
  Mugil chaptalii Eydoux and Souleyet, 1850 -- invalid
  Mus ceylonus Kelaart, 1850 -- invalid
  Mus dubius Kelaart, 1850 -- invalid
  Mus kandianus Kelaart, 1850 -- invalid
  Mus newara Kelaart, 1850 -- invalid
  Mus tetragonurus Kelaart, 1850 -- invalid
  Mydas vittatus Macquart, 1850 -- invalid
  Myiothlypis Cabanis, 1850 -- valid
  Mylesinus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Mylesinus schomburgkii Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Myleus altipinnis (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Myleus lobatus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Myleus rubripinnis luna (Valenciennes in Cuvier and Valenciennes, 1850) -- invalid
  Mylossoma acanthogaster (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Myrmecocichla Cabanis, 1850 -- valid
  Myrmecocichla aethiops Cabanis, 1850 -- valid -- Anteater Chat
  Myrmecocichla aethiops aethiops Cabanis, 1850 -- valid
  Myrmecopsis Newman, 1850 -- valid
  Myrmica aemula Heer, 1850 -- valid
  Myrmica angusticollis Heer, 1850 -- valid
  Myrmica bremii Heer, 1850 -- valid
  Myrmica jurinei Heer, 1850 -- valid
  Myrmica macrocephala Heer, 1850 -- valid
  Myrmica molassica Heer, 1850 -- valid
  Myrmica obsoleta Heer, 1850 -- valid
  Myrmica tertiaria Heer, 1850 -- valid
  Myzia subvittata (Mulsant, 1850) -- valid
  Naemia Mulsant, 1850 -- valid
  Naemia seriata litigiosa Mulsant, 1850 -- valid
  Naesiotus Albers, 1850 -- valid
  Nassarius mendicus cooperi (Forbes, 1850) -- invalid -- lean nassa
  Nebraspis corticina (Boheman, 1850) -- valid
  Necturus punctatus (Gibbes, 1850) -- valid -- Dwarf Waterdog
  Necturus punctatus punctatus (Gibbes, 1850) -- invalid
  Nehalennia Selys, 1850 -- valid
  Nemadactylus nigricans (Richardson, 1850) -- invalid -- dusky morwong, dusky morwong
  Nemotelus albirostris Macquart, 1850 -- valid
  Neocallichirus grandimana (Gibbes, 1850) -- valid -- bighand ghost shrimp
  Neochorista ruficeps (Newman, 1850) -- invalid
  Neocicada hieroglyphica johannis (Walker, 1850) -- valid
  Neoharmonia venusta ampla (Mulsant, 1850) -- valid
  Neohavinthus pentatoma (Herrich-Schaeffer, 1850) -- valid
  Neohavinthus pentatomus (Herrich-Schaeffer, 1850) -- invalid
  Neomyxus chaptalii (Eydoux and Souleyet, 1850) -- invalid -- Uouoa mullet
  Neomyxus chaptalli (Eydoux and Souleyet, 1850) -- invalid
  Nephus (Sidis) Mulsant, 1850 -- valid
  Nephus bilucernarius (Mulsant, 1850) -- invalid
  Nephus binaevatus (Mulsant, 1850) -- valid
  Neptunea borealis (Philippi, 1850) -- invalid
  Neptunea communis borealis (Philippi, 1850) -- valid
  Nerine cirrata Sars, 1850 -- invalid
  Nigritomyia maculipennis (Macquart, 1850) -- valid
  Nonacris Walker, 1850 -- valid
  Notobitus serripes (Dallas, 1850) -- valid
  Notolabrus parilus (Richardson, 1850) -- valid
  Notomastus Sars, 1850 -- valid
  Notomastus latericeus Sars, 1850 -- valid
  Notosacantha badia (Boheman, 1850) -- valid
  Notosacantha bispinosa (Boheman, 1850) -- valid
  Notosacantha erythrocata (Boheman, 1850) -- valid
  Notosacantha horrida (Boheman, 1850) -- valid
  Notosacantha luctuosa (Boheman, 1850) -- valid
  Notosacantha marginata (Boheman, 1850) -- valid
  Notosacantha molucana (Boheman, 1850) -- valid
  Notosacantha ochracea (Boheman, 1850) -- valid
  Notosacantha ochroleuca (Boheman, 1850) -- valid
  Notosacantha pallens (Boheman, 1850) -- valid
  Notosacantha paradoxa (Boheman, 1850) -- valid
  Notosacantha parallela (Boheman, 1850) -- valid
  Notosacantha quadricornis (Boheman, 1850) -- valid
  Notosacantha serricosta (Boheman, 1850) -- valid
  Octarthria flavipalpis (Macquart, 1850) -- valid
  Odax cyanomelas (Richardson, 1850) -- valid -- herring cale
  Odontomyia annulipes Macquart, 1850 -- valid
  Odontomyia carinifacies Macquart, 1850 -- valid
  Odontomyia fascifrons Macquart, 1850 -- invalid
  Odontomyia flavifasciata Macquart, 1850 -- invalid
  Odontomyia flavipalpis Macquart, 1850 -- invalid
  Odontomyia lateremaculata Macquart, 1850 -- valid
  Odontomyia marginella Macquart, 1850 -- valid
  Odontomyia ruficornis Macquart, 1850 -- invalid
  Odontomyia rufifacies Macquart, 1850 -- valid
  Odontomyia subdentata Macquart, 1850 -- valid
  Odontomyia vittata Macquart, 1850 -- valid
  Odopoea suffusa (Walker, 1850) -- valid
  Odostomia canaliculata C. B. Adams, 1850 -- valid
  Oecophylla obesa (Heer, 1850) -- valid
  Olisthops Richardson, 1850 -- invalid
  Olisthops cyanomelas Richardson, 1850 -- invalid -- herring cale
  Omocerus aeruginosus (Boheman, 1850) -- valid
  Omocerus anchoralis (Boheman, 1850) -- valid
  Omocerus coracinus (Boheman, 1850) -- valid
  Omocerus cornutus (Boheman, 1850) -- valid
  Omocerus creberrimus (Boheman, 1850) -- valid
  Omocerus gibberus (Boheman, 1850) -- valid
  Omocerus ignava (Boheman, 1850) -- valid
  Omocerus reichei (Boheman, 1850) -- valid
  Omocerus scabrosus (Boheman, 1850) -- valid
  Omocerus smaragdinus (Boheman, 1850) -- valid
  Omocerus truncatus (Boheman, 1850) -- valid
  Omocerus viridicoeruleus (Boheman, 1850) -- valid
  Oncocephalus armipes Herrich-Schaeffer, 1850 -- valid
  Opeas Albers, 1850 -- valid
  Opheodesoma serpentina (J. Müller, 1850) -- valid
  Orcus Mulsant, 1850 -- valid
  Oreomystis maculata (Cabanis, 1850) -- invalid
  Orygmatobothrium musteli (van Beneden, 1850) -- valid
  Ovatus crataegarius (Walker, 1850) -- valid
  Ovis aries arkal Eversmann, 1850 -- valid
  Ovis vignei arkal Eversmann, 1850 -- invalid -- Transcaspian urial
  Oxuderces Eydoux and Souleyet, 1850 -- valid
  Oxuderces dentatus Eydoux and Souleyet, 1850 -- valid
  Pachygrapsus transversus (Gibbes, 1850) -- valid -- mottled shore crab
  Palaemonetes paludosus (Gibbes, 1850) -- valid -- Eastern grass shrimp, riverine grass shrimp
  Pangonia bicolor Macquart, 1850 -- invalid
  Pangonia fusiformis Walker, 1850 -- invalid
  Pangonia nigronotata Macquart, 1850 -- invalid
  Pangonia planiventris Macquart, 1850 -- invalid
  Pao leiurus (Bleeker, 1850) -- valid
  Paracaudina chilensis (J. Müller, 1850) -- valid
  Paracaudina chilensis chilensis (J. Müller, 1850) -- valid
  Paracladius alpicola (Zetterstedt, 1850) -- valid
  Paralithodes platypus Brandt, 1850 -- valid -- blue king crab
  Parimatidium cyanipenne (Boheman, 1850) -- valid
  Parimatidium marginicolle (Boheman, 1850) -- valid
  Parimatidium rubrum (Boheman, 1850) -- valid
  Parodon Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Parodon suborbitalis Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Paroreomyza maculata (Cabanis, 1850) -- valid -- Alauwahio, Oahu Alauahio, Oahu Creeper
  Parus atricristatus Cassin, 1850 -- invalid
  Parus atricristatus atricristatus Cassin, 1850 -- invalid
  Parviturboides interruptus (C. B. Adams, 1850) -- valid -- interrupted vitrinella
  Pasimachus californicus Chaudoir, 1850 -- valid
  Patera Albers, 1850 -- valid
  Pelastoneurus heteroneurus (Macquart, 1850) -- valid
  Pelia mutica (Gibbes, 1850) -- valid -- cryptic teardrop crab
  Pentapodus macrurus (Bleeker, 1850) -- invalid
  Pentaprion Bleeker, 1850 -- valid
  Pentholaea Cabanis, 1850 -- valid
  Pentilia Mulsant, 1850 -- valid
  Pentilia insidiosa Mulsant, 1850 -- valid
  Persicula fluctuata (C. B. Adams, 1850) -- valid
  Petrochelidon Cabanis, 1850 -- valid
  Petrolisthes armatus (Gibbes, 1850) -- valid -- green porcelain crab
  Pheidologeton rugiceps (Heer, 1850) -- valid
  Pheugopedius Cabanis, 1850 -- valid
  Philine formosa Stimpson, 1850 -- invalid
  Phyllobothrium van Beneden, 1850 -- valid
  Phyllobothrium lactuca van Beneden, 1850 -- valid
  Phyllobothrium thridax van Beneden, 1850 -- valid
  Phyllogonia biloba (Signoret, 1850) -- valid
  Piabucina Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Piabucina erythrinoides Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Picoides albolarvatus (Cassin, 1850) -- invalid -- White-headed Woodpecker
  Picoides albolarvatus albolarvatus (Cassin, 1850) -- invalid
  Pilsbryspira jayana (C. B. Adams, 1850) -- valid
  Pinjalo pinjalo (Bleeker, 1850) -- valid -- pinjalo
  Pisidium supinum Schmidt, 1850 -- valid -- humpbacked peaclam
  Pitho aculeata (Gibbes, 1850) -- valid -- massive urn crab
  Plagusia melanorhynchus Bleeker, 1850 -- invalid
  Planorbella tenuis (Dunker, 1850) -- valid -- Mexican Rams-horn, Mexican Ramshorn
  Platarctia parthenos (Harris, 1850) -- valid -- St. Lawrence tiger moth
  Platax gampret Bleeker, 1850 -- invalid
  Platax xanthopus Bleeker, 1850 -- invalid
  Platychiria Herrich-Schaeffer, 1850 -- valid
  Platychiria umbrosa Herrich-Schaeffer, 1850 -- valid
  Platypolia anceps (Stephens, 1850) -- valid
  Plectorhinchus mediterraneus (Guichenot, 1850) -- valid
  Plectorhynchus sebae (Bleeker, 1850) -- invalid -- silverbanded sweetlip
  Pleurodeles nebulosus (Guichenot, 1850) -- valid
  Plicifusus arcticus (Philippi, 1850) -- invalid -- Arctic whelk
  Ploceus badius (Cassin, 1850) -- valid -- Cinnamon Weaver
  Ploceus badius badius (Cassin, 1850) -- valid
  Ploiaria carolina (Herrich-Schaeffer, 1850) -- valid
  Podocoryne Lutken, 1850 -- valid
  Poecilaspidella duplicata (Boheman, 1850) -- valid
  Poecilaspidella histrio (Boheman, 1850) -- valid
  Poecilaspidella proxima (Boheman, 1850) -- valid
  Poecilaspidella vittifera (Boheman, 1850) -- valid
  Polychalca aerea (Boheman, 1850) -- valid
  Polychalca cariosa (Boheman, 1850) -- valid
  Polychalca dentipennis (Boheman, 1850) -- valid
  Polychalca duponti (Boheman, 1850) -- valid
  Polychalca gravida (Boheman, 1850) -- valid
  Polychalca perforata (Boheman, 1850) -- valid
  Polychalca salebrosa (Boheman, 1850) -- valid
  Polychalca turpis (Boheman, 1850) -- valid
  Polydonta bicolor Macquart, 1850 -- invalid
  Polyophthalmus Quatrefages, 1850 -- valid
  Polypterus palmas Ayres, 1850 -- valid -- marbled bichir, shortfin bichir
  Pomatorhinus montanus bornensis Cabanis, 1850 -- valid
  Pomatostomus Cabanis, 1850 -- valid
  Ponera affinis Jerdon, 1850 -- valid
  Poneropsis affinis (Heer, 1850) -- valid
  Poneropsis crassinervis (Heer, 1850) -- valid
  Poneropsis croatica (Heer, 1850) -- valid
  Poneropsis elongatula (Heer, 1850) -- valid
  Poneropsis fuliginosa (Heer, 1850) -- valid
  Poneropsis globosa (Heer, 1850) -- valid
  Poneropsis longaeva (Heer, 1850) -- valid
  Poneropsis ventrosa (Heer, 1850) -- valid
  Pontonia domestica Gibbes, 1850 -- valid -- Atlantic pen shrimp
  Poptella orbicularis (Valenciennes in Cuvier and Valenciennes, 1850) -- invalid
  Portunus sayi (Gibbes, 1850) -- valid -- sargassum swimming crab
  Potamorhina laticeps (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Prepops divisus (Herrich-Schaeffer, 1850) -- valid
  Proarna invaria (Walker, 1850) -- valid
  Prochilodus costatus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Prochilodus reticulatus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Proctacanthus fulviventris Macquart, 1850 -- valid
  Proteus anguinus carrarae (Fitzinger, 1850) -- invalid
  Proteus anguinus freyeri (Fitzinger, 1850) -- invalid
  Proteus anguinus zoisii (Fitzinger, 1850) -- invalid
  Proteus carrarae (Fitzinger, 1850) -- invalid
  Proteus schreibersii (Fitzinger, 1850) -- invalid
  Proteus xanthostictus (Fitzinger, 1850) -- invalid
  Proteus zoisii (Fitzinger, 1850) -- invalid
  Proxenus Herrich-Schäffer, 1850 -- valid
  Psalidoprocne Cabanis, 1850 -- valid
  Psellidotus fascifrons (Macquart, 1850) -- valid
  Pseudolabrus parilus (Richardson, 1850) -- invalid
  Pseudophoxinus callensis (Guichenot, 1850) -- valid
  Pseudostomatella coccinea (A. Adams, 1850) -- valid
  Psorophora ochripes (Macquart, 1850) -- valid
  Psyllobora nana Mulsant, 1850 -- valid
  Pterotolithus lateoides (Bleeker, 1850) -- valid
  Ptyonoprogne obsoleta (Cabanis, 1850) -- valid
  Ptyonoprogne obsoleta obsoleta (Cabanis, 1850) -- valid
  Puntius brevis (Bleeker, 1850) -- valid
  Puppeia cincta (Signoret, 1850) -- valid
  Pygocentrus palometa Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Pyrgocythara densestriata (C. B. Adams, 1850) -- valid
  Pyrgocythara plicosa (C. B. Adams, 1850) -- valid -- plicate mangelia
  Quesada sodalis (Walker, 1850) -- valid
  Rabdotus Albers, 1850 -- valid
  Ranatra gracilis Dallas, 1850 -- valid
  Rasbora argyrotaenia (Bleeker, 1850) -- valid
  Repipta coccinea (Herrich-Schaeffer, 1850) -- valid
  Rhinolophus rouxii rubidus Kelaart, 1850 -- valid
  Rhinolophus rubidus Kelaart, 1850 -- invalid
  Rhipidura albiscapa preissi Cabanis, 1850 -- valid
  Riparia paludicola minor (Cabanis, 1850) -- valid
  Rissoina multicostata (C. B. Adams, 1850) -- valid
  Rissoina striosa (C. B. Adams, 1850) -- valid
  Rodolia Mulsant, 1850 -- valid
  Rodolia cardinalis (Mulsant, 1850) -- valid -- vedalia
  Rousettus leschenaultii seminudus (Kelaart, 1850) -- valid
  Salanx cuvieri Valenciennes in Cuvier and Valenciennes, 1850 -- valid -- whitefish
  Salminus hilarii Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Sargus claviventris Rondani, 1850 -- valid
  Sargus jucundus Walker, 1850 -- valid
  Saurida Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Saurida nebulosa Valenciennes in Cuvier and Valenciennes, 1850 -- valid -- anoli nuageux, clouded lizardfish, lagarto nubífero
  Scalithrium minimum (van Beneden, 1850) -- valid
  Schizodon vittatus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Scottia browniana (T. R. Jones, 1850) -- valid
  Scymnobius bilucernarius (Mulsant, 1850) -- valid
  Scymnus americanus Mulsant, 1850 -- valid
  Scymnus binaevatus (Mulsant, 1850) -- invalid
  Scymnus brullei Mulsant, 1850 -- valid
  Scymnus cervicalis Mulsant, 1850 -- valid
  Scymnus creperus Mulsant, 1850 -- valid
  Scymnus impexus Mulsant, 1850 -- valid
  Scymnus levaillanti Mulsant, 1850 -- valid
  Scymnus loewii Mulsant, 1850 -- valid
  Scymnus margipallens (Mulsant, 1850) -- valid
  Scymnus quadrivittatus Mulsant, 1850 -- valid
  Scymnus tenebrosus Mulsant, 1850 -- valid
  Semaprochilodus brama (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Semnopithecus vetulus monticola (Kelaart, 1850) -- valid -- Highland Purple-faced Langur
  Sergentia coracina (Zetterstedt, 1850) -- valid
  Serrasalmus humeralis Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Serrasalmus serrulatus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Siagona dilutipes Chaudoir, 1850 -- valid
  Sicya macularia (Harris in Agassiz and Cabot, 1850) -- valid -- arpenteuse biépineuse, Sharp-lined Yellow, twopronged looper
  Sicyonia parvula (De Haan, 1850) -- valid
  Sigelus Cabanis, 1850 -- valid
  Similiphora intermedia (C. B. Adams, 1850) -- valid
  Sipunculus communis Quatrefages, 1850 -- invalid
  Sipunculus indicus Peters, 1850 -- valid
  Solea cinerea Guichenot, 1850 -- invalid
  Spaethiella circumdata (Boheman, 1850) -- valid
  Spaethiella coccinea (Boheman, 1850) -- valid
  Spaethiella costipennis (Boheman, 1850) -- valid
  Spaethiella intricata (Boheman, 1850) -- valid
  Spaethiella rugosa (Boheman, 1850) -- valid
  Spaethiella tristis (Boheman, 1850) -- valid
  Spilophora Boheman, 1850 -- valid
  Spilophora pulchra Boheman, 1850 -- valid
  Spinus lawrencei (Cassin, 1850) -- valid -- Lawrence's Goldfinch
  Squilla neglecta Gibbes, 1850 -- invalid
  Stenamma debile (Foerster, 1850) -- valid
  Stenodactylus mauritanicus Guichenot, 1850 -- valid
  Stenomacra marginella (Herrich-Schaeffer, 1850) -- valid
  Stenomera Lucas, 1850 -- valid
  Stenomera blanchardii Lucas, 1850 -- valid
  Sternopygus arenatus (Eydoux and Souleyet, 1850) -- valid
  Stilpnaspis fulva (Boheman, 1850) -- valid
  Stolas acuminata (Boheman, 1850) -- valid
  Stolas acuta (Boheman, 1850) -- valid
  Stolas anceps (Boheman, 1850) -- valid
  Stolas bilineata (Boheman, 1850) -- valid
  Stolas bioculata (Boheman, 1850) -- valid
  Stolas blanda (Boheman, 1850) -- valid
  Stolas coerulescens (Boheman, 1850) -- valid
  Stolas confusa (Boheman, 1850) -- valid
  Stolas deleta (Boheman, 1850) -- valid
  Stolas diversa (Boheman, 1850) -- valid
  Stolas extricata (Boheman, 1850) -- valid
  Stolas fasciculata (Boheman, 1850) -- valid
  Stolas flavipennis (Boheman, 1850) -- valid
  Stolas flavoguttata (Boheman, 1850) -- valid
  Stolas funebris (Boheman, 1850) -- valid
  Stolas glabricollis (Boheman, 1850) -- valid
  Stolas godeti (Boheman, 1850) -- valid
  Stolas ignita (Boheman, 1850) -- valid
  Stolas implexa (Boheman, 1850) -- valid
  Stolas impluviata (Boheman, 1850) -- valid
  Stolas indigacea (Boheman, 1850) -- valid
  Stolas kollari (Boheman, 1850) -- valid
  Stolas lacordairei (Boheman, 1850) -- valid
  Stolas lacunosa (Boheman, 1850) -- valid
  Stolas lata (Boheman, 1850) -- valid
  Stolas lebasii (Boheman, 1850) -- valid
  Stolas lenis (Boheman, 1850) -- valid
  Stolas lineaticollis (Boheman, 1850) -- valid
  Stolas mannerheimi (Boheman, 1850) -- valid
  Stolas mellyi (Boheman, 1850) -- valid
  Stolas modica (Boheman, 1850) -- valid
  Stolas nudicollis (Boheman, 1850) -- valid
  Stolas oblita (Boheman, 1850) -- valid
  Stolas pertusa (Boheman, 1850) -- valid
  Stolas plagicollis (Boheman, 1850) -- valid
  Stolas punicea (Boheman, 1850) -- valid
  Stolas quatuordecimsignata (Boheman, 1850) -- valid
  Stolas redtenbacheri (Boheman, 1850) -- valid
  Stolas schaumi (Boheman, 1850) -- valid
  Stolas sexplagiata (Boheman, 1850) -- valid
  Stolas sexsignata (Boheman, 1850) -- valid
  Stolas sommeri (Boheman, 1850) -- valid
  Stolas subreticulata (Boheman, 1850) -- valid
  Stolas suspiciosa (Boheman, 1850) -- valid
  Stolas tumulus (Boheman, 1850) -- valid
  Stolas verecunda (Boheman, 1850) -- valid
  Stolas vetula (Boheman, 1850) -- valid
  Stolas vicina (Boheman, 1850) -- valid
  Stolas vidua (Boheman, 1850) -- valid
  Stosica aberrans (C. B. Adams, 1850) -- valid
  Stosicia aberrans (C. B. Adams, 1850) -- valid
  Stratiomyia lineolata Macquart, 1850 -- invalid
  Stratiomys lineolata (Macquart, 1850) -- valid
  Striatura exigua (Stimpson, 1850) -- valid -- ribbed striate
  Strictispira solida (C. B. Adams, 1850) -- valid -- solid drillia
  Strix peli Bonaparte (ex Temminck MS), 1850 -- invalid
  Strongylura leiura (Bleeker, 1850) -- valid -- squaretail alligator gar
  Strongylura leiura leiura (Bleeker, 1850) -- valid
  Suncus montanus (Kelaart, 1850) -- valid -- Asian Highland Shrew, Sri Lanka Highland Shrew
  Suncus montanus montanus (Kelaart, 1850) -- valid
  Symcallio eschrichti (van Beneden, 1850) -- valid
  Symcallio leuckarti (van Beneden, 1850) -- valid
  Synapta lappa J. Müller, 1850 -- invalid
  Synapta serpentina J. Müller, 1850 -- invalid
  Syrphus cingulatulus Macquart, 1850 -- invalid
  Syrphus diversipes Macquart, 1850 -- invalid
  Tabanus cheliopterus Rondani, 1850 -- valid
  Tabanus contactus Walker, 1850 -- invalid
  Tabanus conterminus Walker, 1850 -- valid
  Tabanus erythrotelus Walker, 1850 -- invalid
  Tabanus fuscopunctatus Macquart, 1850 -- valid
  Tabanus incisus Walker, 1850 -- invalid
  Tabanus manifestus Walker, 1850 -- invalid
  Tabanus mutatus Walker, 1850 -- invalid
  Tabanus redactus Walker, 1850 -- invalid
  Tabanus rufofrater Walker, 1850 -- valid
  Tabanus terraenovae Macquart, 1850 -- invalid
  Tachycineta Cabanis, 1850 -- valid -- Tree Swallows
  Tachycineta meyeni (Cabanis, 1850) -- invalid -- Chilean Swallow
  Tangara guttata (Cabanis, 1850) -- valid -- Speckled Tanager
  Tangara guttata guttata (Cabanis, 1850) -- valid
  Tangara heinei (Cabanis, 1850) -- valid -- Black-capped Tanager
  Tangara preciosa (Cabanis, 1850) -- valid -- Chestnut-backed Tanager
  Tangara vitriolina (Cabanis, 1850) -- valid -- Scrub Tanager
  Tapinoma Förster, 1850 -- valid
  Tautoga parila Richardson, 1850 -- invalid
  Tegula aureotincta (Forbes, 1850) -- valid -- gilded tegula
  Tegula gallina (Forbes, 1850) -- valid -- speckled tegula
  Tegula montereyi (Kiener, 1850) -- valid -- Monterey tegula
  Teinostoma megastoma (C. B. Adams, 1850) -- valid
  Teinostoma megastomum (C. B. Adams, 1850) -- valid
  Telmatodytes Cabanis, 1850 -- invalid
  Tephritis plagiata Dahlbom, 1850 -- invalid
  Terellia plagiata (Dahlbom, 1850) -- valid
  Tetragonopterus artedii Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Tetragonopterus schomburgkii Valenciennes in Cuvier and Valenciennes, 1850 -- invalid
  Tetramorium impurum (Foerster, 1850) -- valid
  Tetramorium impurum impurum (Foerster, 1850) -- valid
  Tetraodon kappa Bleeker, 1850 -- invalid
  Tetraodon kunhardtii Bleeker, 1850 -- invalid
  Tetraodon leiurus Bleeker, 1850 -- invalid
  Tetraodon modestus Bleeker, 1850 -- invalid
  Tetraodon scaber Eydoux & Souleyet, 1850 -- invalid
  Tettigades compacta Walker, 1850 -- valid
  Thalassa Mulsant, 1850 -- valid
  Thalassa montezumae Mulsant, 1850 -- valid
  Thamnolaea Cabanis, 1850 -- valid
  Theroscopus Förster, 1850 -- valid
  Thraupis glaucocolpa Cabanis, 1850 -- valid -- Glaucous Tanager
  Threpterius Richardson, 1850 -- valid
  Threpterius maculosus Richardson, 1850 -- valid
  Tibicen chloromerus (Walker, 1850) -- invalid
  Tibicen chloromerus chloromerus (Walker, 1850) -- invalid
  Tibicen occidentis (Walker, 1850) -- valid
  Tibicen resonans (Walker, 1850) -- valid
  Timandrini Stephens, 1850 -- valid
  Tipula puncticornis Macquart, 1850 -- valid
  Tometes Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Tometes trilobatus Valenciennes in Cuvier and Valenciennes, 1850 -- valid
  Tornatina A. Adams, 1850 -- valid
  Toxocera Macquart, 1850 -- invalid
  Toxocera limbiventris Macquart, 1850 -- invalid
  Trachelium Herrich-Schäffer, 1850 -- valid
  Trachypithecus vetulus monticola (Kelaart, 1850) -- invalid
  Trichothraupis Cabanis, 1850 -- valid
  Tricolia affinis (C. B. Adams, 1850) -- valid -- checkered pheasant
  Tricolia affinis affinis (C. B. Adams, 1850) -- valid
  Trilaccodea tomentosa (Boheman, 1850) -- valid
  Triphora decorata (C. B. Adams, 1850) -- valid -- mottled triphora
  Triphora melanura (C. B. Adams, 1850) -- valid -- white atlantic triphora
  Triphora pulchella (C. B. Adams, 1850) -- valid -- beautiful triphora
  Triportheus auritus (Valenciennes in Cuvier and Valenciennes, 1850) -- valid
  Tripterygion melanurus Guichenot, 1850 -- valid
  Triton nebulosus Guichenot, 1850 -- invalid
  Trochocercus Cabanis, 1850 -- valid
  Turbonilla exilis (C. B. Adams, 1850) -- valid
  Turbonilla laevis (C. B. Adams, 1850) -- valid
  Turbonilla levis (C. B. Adams, 1850) -- valid
  Turbonilla multicostata (C. B. Adams, 1850) -- valid
  Turbonilla obeliscus (C. B. Adams, 1850) -- valid
  Turbonilla puncta (C. B. Adams, 1850) -- valid
  Turbonilla pusilla (C. B. Adams, 1850) -- valid
  Turbonilla reticulata (C. B. Adams, 1850) -- valid
  Turbonilla subulata (C. B. Adams, 1850) -- valid
  Turdus amaurochalinus Cabanis, 1850 -- valid -- Creamy-bellied Thrush
  Turdus assimilis Cabanis, 1850 -- valid -- Mirlo garganta blanca, White-throated Robin, White-throated Thrush
  Turdus assimilis assimilis Cabanis, 1850 -- valid
  Tylosurus acus melanotus (Bleeker, 1850) -- valid -- blackfin longtom, blackfin longtom
  Tylosurus leiurus (Bleeker, 1850) -- invalid
  Tylosurus melanotus (Bleeker, 1850) -- invalid
  Udeopsylla robusta (Haldeman, 1850) -- valid
  Uhleroides chariclo (Walker, 1850) -- valid
  Unio orbignyi Deville & Hupé, 1850 -- invalid
  Urocissa Cabanis, 1850 -- valid
  Urocyon cinereoargenteus nigrirostris (Lichtenstein, 1850) -- valid
  Urolestes Cabanis, 1850 -- valid
  Verania Mulsant, 1850 -- valid
  Vitreolina arcuata (C. B. Adams, 1850) -- valid -- twisted eulima
  Vitrinella C. B. Adams, 1850 -- valid
  Vitrinella helicoidea C. B. Adams, 1850 -- valid -- helix vitrinella
  Waltonia Davidson, 1850 -- valid
  Xantharpyia seminuda Kelaart, 1850 -- invalid
  Xenomorpha australis Macquart, 1850 -- invalid
  Xerarionta kelletti (Forbes, 1850) -- valid -- catalina cactussnail
  Xerarionta kellettii (Forbes, 1850) -- valid -- Catalina cactussnail
  Xiphostoma maculatum Valenciennes in Cuvier and Valenciennes, 1850 -- invalid
  Xylophagus persequus Walker, 1850 -- invalid
  Zammara intricata Walker, 1850 -- valid
  Zammara smaragdina Walker, 1850 -- valid
  Zebina laevigata (C. B. Adams, 1850) -- valid
  Zebina laevissima (C. B. Adams, 1850) -- invalid
  Zelus coccineus Herrich-Schaeffer, 1850 -- invalid
  Zelus laticornis (Herrich-Schaeffer, 1850) -- valid
  Zelus varius (Herrich-Schaeffer, 1850) -- valid
  Zeugonota aurolimbata (Boheman, 1850) -- valid
  Zilus Mulsant, 1850 -- valid
  Zoothera heinei (Cabanis, 1850) -- valid -- Russet-tailed Thrush
  Zoothera heinei heinei (Cabanis, 1850) -- valid
 
 Kingdom Fungi
  Cetrariaceae Schaer., 1850 -- not accepted
  Corniculariaceae Schaer., 1850 -- not accepted
 
 Kingdom Plantae
  Crucigenia Morren, 1850 -- accepted
  Microspora Thuret, 1850 -- accepted
  Ulvaria F. J. Ruprecht, 1850 -- accepted
  Ulvaria F. J. Ruprecht, 1850 -- not accepted
   

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