Taxonomic names from M. J. Rathbun 1926
- Achelous xantusii, Stimpson 1860 [Portunidae]
- Astacura, Borradaile [Decapoda]
- Astacus chenoderma, Cope 1871 [Astacidae]
- Blepharipoda brucei, M. J. Rathbun 1926 [Blepharipodidae]
- Brachygnatha, Borradaile [Decapoda]
- Calappa lanensis, M. J. Rathbun 1926 [Calappidae]
- Callianassa bandonensis, M. J. Rathbun 1926 [Callianassidae]
- Callianassa clallamensis, Withers 1924 [Callianassidae]
- Callianassa cowlitzensis, M. J. Rathbun 1926 [Callianassidae]
- Callianassa fresnoensis, M. J. Rathbun 1926 [Callianassidae]
- Callianassa incerta, M. J. Rathbun 1926 [Callianassidae]
- Callianassa kewana, M. J. Rathbun 1926 [Callianassidae]
- Callianassa knapptonensis, M. J. Rathbun 1926 [Callianassidae]
- Callianassa longimana, Stimpson 1857 [Callianassidae]
- Callianassa porterensis, M. J. Rathbun 1926 [Callianassidae]
- Callianassa stephensi, M. J. Rathbun 1926 [Callianassidae]
- Callianassa twinensis, M. J. Rathbun 1926 [Callianopsidae]
- Callianassa umpquaensis, M. J. Rathbun 1926 [Callianassidae]
- Callianopsis clallamensis (Withers 1924) [Callianopsidae]
- Cancer anthonyi, Rathbun 1897 [Cancridae]
- Cancer bainbridgensis, M. J. Rathbun 1926 [Cancridae]
- Cancer branneri, M. J. Rathbun 1926 [Cancridae]
- Cancer gabbi, M. J. Rathbun 1926 [Cancridae]
- Cancer gracilis, Dana 1852 [Cancridae]
- Cancer jordani, Rathbun 1900 [Cancridae]
- Cancer magister, Dana 1852 [Cancridae]
- Carcinides, Rathbun 1897 [Portunidae]
- Carcinides minor, M. J. Rathbun 1926 [Portunidae]
- Carcinus minor, M. J. Rathbun 1926 [Carcinidae]
- Chloridella sonomana, M. J. Rathbun 1926 [Chloridellidae]
- Chloridellidae, family, Rathbun [Chloridellidae]
- Coeloma martinezensis, M. J. Rathbun 1926 [Carcinidae]
- Cryptopodia, Milne Edwards 1834 [Parthenopidae]
- Cryptopodia occidentalis, Stimpson 1871 [Parthenopidae]
- Cycloxanthops novemdentatus (Lockington 1876) [Xanthidae]
- Dardanus arnoldi, M. J. Rathbun 1926 [Diogenidae]
- Dardanus subaequalis, M. J. Rathbun 1926 [Diogenidae]
- Dromiidea, superfamily (De Haan 1833) [Decapoda]
- Epialtus productus, Randall 1839 [Epialtidae]
- Erymaidae, family (Van Straelen 1924) [Erymidae]
- Eucrate martini, M. J. Rathbun 1926 [Euryplacidae]
- Eumorphocorystes naselensis, M. J. Rathbun 1926 [Lyreididae]
- Gymnopleura, Bourne [Decapoda]
- Hemigrapsus nudus (Dana 1851) [Varunidae]
- Hemigrapsus oregonensis (Dana 1851) [Varunidae]
- Ilia ornata, Randall 1839 [Leucosiidae]
- Inachus tuberculatus, Lockington 1877 [Inachidae]
- Lophopanopeus leucomanus (Lockington 1876) [Panopeidae]
- Lophopanopeus lockingtoni, Rathbun 1900 [Panopeidae]
- Lophopanopeus olearis, M. J. Rathbun 1926 [Panopeidae]
- Loxorynchus, Stimpson 1857 [Epialtidae]
- Loxorynchus crispatus (Stimpson 1857) [Epialtidae]
- Loxorynchus grandis (Stimpson 1857) [Epialtidae]
- Macroacaena naselensis (M. J. Rathbun 1926) [Lyreididae]
- Macrocheira teglandi, M. J. Rathbun 1926 [Macrocheiridae]
- Maeandricampus triangulum (M. J. Rathbun 1926) [Carcinidae]
- Marycarcinus hanna, M. J. Rathbun 1926 [Orithopsidae]
- Megokkos alaskensis (M. J. Rathbun 1926) [Carcinidae]
- Mesorhoea idae, M. J. Rathbun 1926 [Parthenopidae]
- Metacarcinus magister (Dana 1852) [Cancridae]
- Mursia marcusana, M. J. Rathbun 1926 [Calappidae]
- Mursia yaquinensis, M. J. Rathbun 1926 [Calappidae]
- Necrocarcinus hannae, M. J. Rathbun 1926 [Orithopsidae]
- Neocallichirus porterensis (M. J. Rathbun 1926) [Callichiridae]
- Othonia sexdentata, M. J. Rathbun 1926 [Epialtidae]
- Oxyrhyncha, superfamily, Dana [Decapoda]
- Palehomola, M. J. Rathbun 1926 [Homolodromiidae]
- Palehomola gorrelli, M. J. Rathbun 1926 [Homolodromiidae]
- Palinura (Latreille 1802) [Decapoda]
- Panopeus soledadensis (M. J. Rathbun 1926) [Panopeidae]
- Persephona bigranulata, M. J. Rathbun 1926 [Leucosiidae]
- Pilumnoplax carmanahensis, M. J. Rathbun 1926 [Mathildellidae]
- Pilumnoplax hannibalanus, M. J. Rathbun 1926 [Mathildellidae]
- Pilumnoplax soledadensis, M. J. Rathbun 1926 [Euryplacidae]
- Pinnixa eocenica, M. J. Rathbun 1926 [Pinnotheridae]
- Pitho sexdentata, M. J. Rathbun 1926 [Epialtidae]
- Plagiolophus weaveri, M. J. Rathbun 1926 [Euryplacidae]
- Podocrates, Whiteaves 1895 [unclassified genus]
- Podocrates vancouverensis, Whiteaves 1895 [Palinuridae]
- Podocratus canadensis (J. F. Whiteaves 1884) [Palinuridae]
- Podocratus vancouverensis (Whiteaves 1895) [Palinuridae]
- Portunites alaskensis, M. J. Rathbun 1926 [Carcinidae]
- Portunites insculpta, M. J. Rathbun 1926 [Carcinidae]
- Portunites triangulum, M. J. Rathbun 1926 [Carcinidae]
- Portunus (Portunus), Weber 1795 [Portunidae]
- Pseudograpsus, Milne-Edwards 1837 [Pseudograpsus]
- Pseudograpsus nudus, Dana 1851 [Pseudograpsus nudus]
- Pseudograpsus oregonensis, Dana 1851 [Pseudograpsus oregonensis]
- Pseudosquilla adelaidensis, M. J. Rathbun 1926 [Pseudosquillidae]
- Pugettia producta (Randall 1839) [Epialtidae]
- Pulalius vulgaris (M. J. Rathbun 1926) [Tumidocarcinidae]
- Pyromaia tuberculata (Lockington 1877) [Inachoididae]
- Randallia ornata (Randall 1839) [Leucosiidae]
- Randallia pleistocenica, M. J. Rathbun 1926 [Leucosiidae]
- Ranidina willapensis, M. J. Rathbun 1926 [Lyreididae]
- Ranina tejoniana, M. J. Rathbun 1926 [Raninidae]
- Raninoides asper, M. J. Rathbun 1926 [Raninidae]
- Raninoides dickersoni, M. J. Rathbun 1926 [Raninidae]
- Raninoides eugenensis, M. J. Rathbun 1926 [Raninidae]
- Raninoides fulgidus, M. J. Rathbun 1926 [Raninidae]
- Raninoides lewisanus, M. J. Rathbun 1926 [Raninidae]
- Raninoides vaderensis, M. J. Rathbun 1926 [Raninidae]
- Raninoides washburnei, M. J. Rathbun 1926 [Raninidae]
- Scyllaridea, superfamily, Stebbing [Decapoda]
- Thalassinidea, superfamily (P. A. Latreille 1831) [Decapoda]
- Uca hamlini, M. J. Rathbun 1926 [Ocypodidae]
- Uca oldroydi, M. J. Rathbun 1926 [Ocypodidae]
- Upogebia (Upogebia), Leach 1814 [Upogebiidae]
- Upogebia (Upogebia) eocenica, M. J. Rathbun 1926 [Upogebiidae]
- Xandarocarcinus sternbergi (M. J. Rathbun 1926) [Xandarocarcinidae]
- Xandaros sternbergi (M. J. Rathbun 1926) [Xandarocarcinidae]
- Xanthodes, Dana 1852 [Xanthidae]
- Xanthodes leucomanus, Lockington 1876 [Xanthidae]
- Xanthodes novemdentatus, Lockington 1876 [Xanthidae]
- Zanthopsis hendersonianus, M. J. Rathbun 1926 [Zanthopsidae]
- Zanthopsis sternbergi, M. J. Rathbun 1926 [Zanthopsidae]
- Zanthopsis vulgaris, M. J. Rathbun 1926 [Zanthopsidae]