Eutrephoceras alcesense- Eutrephoceras berryi
- Eutrephoceras carolinense
- Eutrephoceras carolinensis
- Eutrephoceras expansum
- Eutrephoceras johnsoni
- Eutrephoceras jonesi
- Eutrephoceras montanensis
- Eutrephoceras occlusum
- Eutrephoceras oregonense
- Eutrephoceras ovoideum
- Eutrephoceras planoventer
- Eutrephoceras reesidei
- Eutrephoceras regale
- Eutrephoceras simile
- Eutrephoceras sloani
- Eutrephoceras sphaericum
- Eutrephoceras thomi
- Eutrephoceras uitenhagense
- Nautilus ahltenensis
- Nautilus bellerophon
- Nautilus centralis
- Nautilus darupensis
- Nautilus dekayi
- Nautilus dorbignyanus
- Nautilus indicus
- Nautilus parisiensis
- Nautilus perlatus
- Nautilus quadrilineatus
- Nautilus urbanus
- Nautilus vastus
- Nautilus waageni