Key to Species Articles
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Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Carboniferous Mississippian Lower Mississippian Midwestern USA Northview FM FEU-1004763 763 |  | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Hannibal FM FEU-1004793 793 |  | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Chouteau Group FEU-1005038 038 |  |