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| Kingdom Animalia |
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Allocrangonyx Schellenberg, 1936 -- valid |
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Allocrangonyx hubrichti Holsinger, 1971 -- valid -- Central Missouri cave amphipod |
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Allocrangonyx pellucidus (Mackin, 1935) -- valid -- Oklahoma cave amphipod |
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Bactrurus Hay, 1902 -- valid |
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Crangonyctidae Bousfield, 1973 -- valid |
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Crangonyx Bate, 1859 -- valid |
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Crangonyx abberraus D. G. Smith, 1983 -- valid |
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Crangonyx anomalus Hubricht, 1943 -- valid -- large male crangonyctid, Anomalous spring amphipod |
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Crangonyx antennatus Cope and Packard, 1881 -- valid -- Appalachian Valley crangonyctid, Appalachian Valley cave amphipod |
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Crangonyx arsenjevi (Derzhavin, 1927) -- valid |
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Crangonyx chlebnikovi Borutsky, 1928 -- valid |
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Crangonyx dearolfi Shoemaker, 1942 -- valid -- Pennsylvania cave crangonyctid, Dearolf's cave amphipod |
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Crangonyx floridanus Bousfield, 1963 -- valid -- Florida crangonyctid |
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Crangonyx forbesi (Hubricht and Mackin, 1940) -- valid -- Forbes crangonyctid |
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Crangonyx gracilis S. I. Smith, 1871 -- valid -- northern lake crangonyctid |
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Crangonyx grandimanus Bousfield, 1963 -- valid -- Florida cave crangonyctid |
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Crangonyx hobbsi Shoemaker, 1941 -- valid -- Hobbs cave crangonyctid, Hobb's cave amphipod |
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Crangonyx minor Bousfield, 1958 -- valid -- small stream crangonyctid, Minor cave amphipod |
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Crangonyx obliquus (Hubricht and Mackin, 1940) -- valid -- oblique-hand crangonyctid |
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Crangonyx occidentalis Hubricht and Harrison, 1941 -- valid |
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Crangonyx packardi S. I. Smith, 1888 -- valid -- Packard cave crangonyctid, Packard's cave amphipod |
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Crangonyx paxi Schellenberg, 1935 -- valid |
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Crangonyx pseudogracilis Bousfield, 1958 -- valid -- northern river crangonyctid |
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Crangonyx richmondensis Ellis, 1940 -- valid |
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Crangonyx rivularis Bousfield, 1958 -- valid -- Ontario stream crangonyctid |
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Crangonyx serratus (Embody, 1911) -- valid -- serrate crangonyctid |
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Crangonyx setodactylus Bousfield, 1958 -- valid -- hairy-fingered crangonyctid |
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Crangonyx shoemakeri (Hubricht and Mackin, 1940) -- valid -- Shoemaker crangonyctid |
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Crangonyx subterraneus Bate, 1858 -- valid |
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Gammaridea -- invalid -- gammarid amphipods |
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Lyurella Derzhavin, 1939 -- valid |
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Palaeogammarus Zaddach, 1864 -- valid |
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Stygobromus Cope, 1872 -- valid |
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Stygobromus spinatus (Holsinger, 1967) -- valid -- Southern West Virginia cave amphipod, spring cave amphipod, spiny cave stygobromid |
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Stygonyx Bousfield and Holsinger, 1989 -- valid |
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Synurella Wrzesniowski, 1877 -- valid |
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