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 |  | Kingdom | Animalia 
 – Animal, animaux, animals |  | 
|  | Subkingdom | Bilateria 
 – triploblasts |  | 
|  | Infrakingdom | Protostomia |  | 
|  | Superphylum | Ecdysozoa |  | 
|  | Phylum | Arthropoda 
 – Artrópode, arthropodes, arthropods |  | 
|  | Subphylum | Crustacea Brünnich, 1772
 – crustacés, crustáceo, crustaceans |  | 
|  | Superclass | Altocrustacea |  | 
|  | Class | Malacostraca Latreille, 1802 |  | 
|  | Subclass | Eumalacostraca Grobben, 1892 |  | 
|  | Superorder | Peracarida Calman, 1904
 – barata da praia, pulga da praia, tatuzinho de jardim |  | 
|  | Order | Isopoda Latreille, 1817
 – isopods, pillbugs, sowbugs, cloportes, isopodes |  | 
|  | Suborder | Epicaridea Latreille, 1831 |  | 
|  | Superfamily | Bopyroidea Rafinesque, 1815 |  | 
|  | Family | Bopyridae Rafinesque, 1815 |  | 
        
          |  |  | Direct Children: |  | 
 |  | Genus | Acrobelione Bourdon, 1981 |  | 
|  | Genus | Allobopyrus Bourdon, 1983A |  | 
|  | Genus | Allodiplophryxus Markham, 1985 |  | 
|  | Genus | Allokepon Markham, 1982 |  | 
|  | Genus | Allorbimorphus Bourdon, 1976A |  | 
|  | Genus | Anacepon Nierstrasz & Brender a Brandis, 1931 |  | 
|  | Genus | Anathelges Bonnier, 1900 |  | 
|  | Genus | Anchiarthrus Markham, 1992 |  | 
|  | Genus | Anisarthrus Giard, 1907 |  | 
|  | Genus | Anisorbione Bourdon, 1981D |  | 
|  | Genus | Anomophryxus Shiino, 1937 |  | 
|  | Genus | Anuropodione Bourdon, 1967 |  | 
|  | Genus | Apocepon Nierstrasz & Brender a Brandis, 1930 |  | 
|  | Genus | Apophrixus Nierstrasz & Brender a Brandis, 1931 |  | 
|  | Genus | Aporobopyrina Shiino, 1934 |  | 
|  | Genus | Aporobopyroides Nobili, 1906C |  | 
|  | Genus | Aporobopyrus Nobili, 1906 |  | 
|  | Genus | Argeia Dana, 1852 |  | 
|  | Genus | Argeiopsis Kensley, 1974 |  | 
|  | Genus | Astalione Markham, 1975A |  | 
|  | Genus | Asymmetrione Codreanu, Codreanu and Pike, 1965 |  | 
|  | Genus | Athelges Hesse, 1861 |  | 
|  | Genus | Atypocepon Nierstrasz & Brender a Brandis, 1931 |  | 
|  | Genus | Azygopleon Markham, 1985 |  | 
|  | Genus | Balanopleon Markham, 1974A |  | 
|  | Genus | Bathygyge Hansen, 1897 |  | 
|  | Genus | Bopyrella Bonnier, 1900 |  | 
|  | Genus | Bopyrina Kossmann, 1881 |  | 
|  | Genus | Bopyrinella Nierstrasz and Brender à Brandis, 1925 |  | 
|  | Genus | Bopyrinina Shiino, 1933 |  | 
|  | Genus | Bopyrione Bourdon and Markham, 1980 |  | 
|  | Genus | Bopyriscus H. Richardson, 1905 |  | 
|  | Genus | Bopyrissa Nierstrasz and Brender à Brandis, 1931 |  | 
|  | Genus | Bopyroides Stimpson, 1864 |  | 
|  | Genus | Bopyrophryxus Codreanu, 1965 |  | 
|  | Genus | Bopyrosa Nierstrasz & Brender a Brandis, 1923 |  | 
|  | Genus | Bopyrus Latreille, 1802 |  | 
|  | Genus | Cancricepon Giard and Bonnier, 1887 |  | 
|  | Genus | Carcinione Bourdon, 1983 |  | 
|  | Genus | Cardiocepon Nobili, 1906C |  | 
|  | Genus | Castrione Brasil Lima, 1980 |  | 
|  | Genus | Cataphryxus Shiino, 1936B |  | 
|  | Genus | Coxalione Bourdon, 1977 |  | 
|  | Genus | Cryptobopyrus Schultz, 1977B |  | 
|  | Genus | Dactylokepon Stebbing, 1910 |  | 
|  | Genus | Dicropleon Markham, 1972 |  | 
|  | Genus | Diplophryxus Richardson, 1904 |  | 
|  | Genus | Entophilus H. Richardson, 1903 |  | 
|  | Genus | Eophrixus Caroli, 1930 |  | 
|  | Genus | Epicepon Nierstrasz & Brender a Brandis, 1931 |  | 
|  | Genus | Epipenaeon Nobili, 1906 |  | 
|  | Genus | Epiphrixus Nierstrasz & Brender a Brandis, 1932 |  | 
|  | Genus | Eragia Markham, 1994 |  | 
|  | Genus | Ergyne Risso, 1816 |  | 
|  | Genus | Eriphrixus Markham, 1990A |  | 
|  | Genus | Filophryxus Bruce, 1972B |  | 
|  | Genus | Gareia Bourdon & Bruce, 1983A |  | 
|  | Genus | Gigantione Kossmann, 1881 |  | 
|  | Genus | Grapsicepon Giard and Bonnier, 1887 |  | 
|  | Genus | Gyge Cornalia & Panceri, 1861 |  | 
|  | Genus | Hemiarthrus Giard and Bonnier, 1887 |  | 
|  | Genus | Hemiphryxus Bruce, 1978 |  | 
|  | Genus | Heterocepon Shiino, 1936A |  | 
|  | Genus | Hypercepon Danforth, 1972 |  | 
|  | Genus | Hyperphrixus Nierstrasz and Brender à Brandis, 1931 |  | 
|  | Genus | Hypocepon Nierstrasz & Brender a Brandis, 1930 |  | 
|  | Genus | Hypohyperphrixus Nierstrasz & Brender a Brandis, 1932 |  | 
|  | Genus | Hypophryxus Shiino, 1934 |  | 
|  | Genus | Ione Latreille, 1817 |  | 
|  | Genus | Ionella Bonnier, 1900 |  | 
|  | Genus | Kepon Duvernoy, 1841 |  | 
|  | Genus | Kolourione Markham, 1978 |  | 
|  | Genus | Leidya Cornalia and Panceri, 1861 |  | 
|  | Genus | Litobopyrus Markham, 1982 |  | 
|  | Genus | Lobocepon Nobili, 1905 |  | 
|  | Genus | Loki Markham, 1972 |  | 
|  | Genus | Mediophrixus Markham, 1990A |  | 
|  | Genus | Megacepon George, 1946 |  | 
|  | Genus | Mesocepon Shiino, 1951B |  | 
|  | Genus | Mesophryxus Bruce, 1973A |  | 
|  | Genus | Metacepon Nierstrasz & Brender a Brandis, 1931 |  | 
|  | Genus | Metaphrixus Nierstrasz and Brender à Brandis, 1931 |  | 
|  | Genus | Minicopenaeon Bourdon, 1979B |  | 
|  | Genus | Miophrixus Barnard, 1955A |  | 
|  | Genus | Munidion Hansen, 1897 |  | 
|  | Genus | Neophryxus Bruce, 2007 |  | 
|  | Genus | Nikione Kensley, 1974 |  | 
|  | Genus | Ogyridione Markham, 1988 |  | 
|  | Genus | Onychocepon Perez, 1921 |  | 
|  | Genus | Orbimorphus Richardson, 1910C |  | 
|  | Genus | Orbione Bonnier, 1900 |  | 
|  | Genus | Orophryxus Bruce, 1972A |  | 
|  | Genus | Orthione Markham, 1988 |  | 
|  | Genus | Ovobopyrus Markham, 1985 |  | 
|  | Genus | Pagurion Shiino, 1933 |  | 
|  | Genus | Palaemonellione Markham, 1989 |  | 
|  | Genus | Parabopyrella Markham, 1985 |  | 
|  | Genus | Parabopyriscus Markham, 1985 |  | 
|  | Genus | Parabopyrus Shiino, 1934 |  | 
|  | Genus | Paracepon Nierstrasz & Brender a Brandis, 1931 |  | 
|  | Genus | Paragigantione Barnard, 1920 |  | 
|  | Genus | Parapagurion Shiino, 1933 |  | 
|  | Genus | Parapenaeon Richardson, 1904 |  | 
|  | Genus | Parapenaeonella Shiino, 1949C |  | 
|  | Genus | Parapleurocrypta Chopra, 1923 |  | 
|  | Genus | Parapleurocryptella Bourdon, 1972C |  | 
|  | Genus | Parargeia Hansen, 1897 |  | 
|  | Genus | Parathelges Bonnier, 1900 |  | 
|  | Genus | Parione Richardson, 1910 |  | 
|  | Genus | Parionella Nierstrasz & Brender a Brandis, 1923 |  | 
|  | Genus | Parionina Nierstrasz & Brender a Brandis, 1929 |  | 
|  | Genus | Parioninella Nierstrasz & Brender a Brandis, 1930 |  | 
|  | Genus | Pauperella Nierstrasz & Brender a Brandis, 1929 |  | 
|  | Genus | Phyllodurus Stimpson, 1857 |  | 
|  | Genus | Pleurocrypta Hesse, 1865 |  | 
|  | Genus | Pleurocryptella Bonnier, 1900 |  | 
|  | Genus | Pleurocryptina Nierstrasz & Brender a Brandis, 1929 |  | 
|  | Genus | Pontobopyrus Markham, 1979 |  | 
|  | Genus | Portunicepon Giard & Bonnier, 1887 |  | 
|  | Genus | Probopyria Markham, 1985 |  | 
|  | Genus | Probopyrinella Nierstrasz and Brender à Brandis, 1929 |  | 
|  | Genus | Probopyrione Bourdon, 1983 |  | 
|  | Genus | Probopyriscus Markham, 1982 |  | 
|  | Genus | Probopyrus Giard and Bonnier, 1888 |  | 
|  | Genus | Probynia Bourdon & Bruce, 1983A |  | 
|  | Genus | Procepon Shiino, 1937 |  | 
|  | Genus | Progebiophilus Codreanu and Codreanu, 1963 |  | 
|  | Genus | Propseudione Shiino, 1933 |  | 
|  | Genus | Prosynsynella Nierstrasz & Brender a Brandis, 1929 |  | 
|  | Genus | Pseudione Kossmann, 1881 |  | 
|  | Genus | Pseudionella Shiino, 1949 |  | 
|  | Genus | Pseudostegias Shiino, 1933 |  | 
|  | Genus | Rhopalione Perez, 1920 |  | 
|  | Genus | Schizobopyrina Markham, 1985 |  | 
|  | Genus | Scyracepon Tattersall, 1905 |  | 
|  | Genus | Shiinoella Bourdon, 1972A |  | 
|  | Genus | Stegias Richardson, 1904 |  | 
|  | Genus | Stegoalpheon Chopra, 1923 |  | 
|  | Genus | Stegophryxus Thompson, 1902 |  | 
|  | Genus | Synsynella Hay, 1917 |  | 
|  | Genus | Trapezicepon Bonnier, 1900 |  | 
|  | Genus | Tylokepon Stebbing, 1904 |  | 
|  | Genus | Upogebione Markham, 1985C |  | 
|  | Genus | Upogebiophilus Nobili, 1906C |  | 
|  | Genus | Urobopyrus Richardson, 1904 |  | 
        
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