Especies descritas (31):
- Amiurus brachyacanthus Cope, 1880, synonym
- Bryttus mineopas Cope, 1865, synonym
- Campostoma aikenii Cope, 1875, synonym
- Campostoma callipteryx Cope, 1865, synonym
- Campostoma gobioninum Cope, 1865, synonym
- Campostoma hippops Cope, 1865, synonym
- Campostoma mormyrus Cope, 1865, synonym
- Ceratichthys ventricosus Cope, 1874, synonym
- Cliola montiregis Cope, 1885, synonym
- Coliscus parietalis Cope, 1871, synonym
- Cylindostreus productus Cope, 1865, synonym
- Cyprinella billingsiana Cope, 1871, synonym
- Cyprinella cercostigma Cope, 1868, synonym
- Culius amblyopsis Cope, 1871 (Eleotris), valid
- Culius perniger Cope, 1871 (Eleotris), valid
- Gila nacrea Cope, 1871, synonym
- Haplochilus melanops Cope, 1870, synonym
- Hyborhynchus nigellus Cope, 1875, synonym
- Hyborhynchus siderius Cope, 1875, synonym
- Hypsilepis iris Cope, 1978, synonym
- Lepidosteus crassus Cope, 1865, synonym
- Lepidosteus otarius Cope, 1865, synonym
- Lepomis ardesiacus Cope, 1868, synonym
- Chirostoma beryllinum Cope, 1867 (Menidia), valid
- Moniana jugalis Cope, 1871, synonym
- Alburnellus jemezanus Cope, 1875 (Notropis), valid
- Alburnellus simus Cope, 1875 (Notropis), valid
- Hybognathus stramineus Cope, 1865 (Notropis), valid
- Pimephales agassizii Cope, 1867, synonym
- Pimephales milesii Cope, 1865, synonym
- Zygonectes brachypterus Cope, 1880, synonym