Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Carboniferous Pennsylvanian unknown FEU-1020060 | ![]() | type specimen holotype Carboniferous Pennsylvanian American South unknown FEU-1008503 | ![]() |