Metacoceras aberrans- Metacoceras baylorense
- Metacoceras bituberculatum
- Metacoceras carinatum
- Metacoceras cavatiforme
- Metacoceras cheneyi
- Metacoceras cooperi
- Metacoceras copei
- Metacoceras cornutum
- Metacoceras dubium
- Metacoceras frenchi
- Metacoceras gregarium
- Metacoceras hayi
- Metacoceras inconspicuum
- Metacoceras magnicostatum
- Metacoceras marylandica
- Metacoceras mcchesneyi
- Metacoceras mutabile
- Metacoceras mutatum
- Metacoceras nodosum
- Metacoceras perelegans
- Metacoceras sculptile
- Metacoceras sublaeve
- Metacoceras vagans
- Metacoceras walcotti
- Nautilus sangamonense