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