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Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008658 |  | type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008659 |  | type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008660 |  | type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008661 |  | type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008662 |  |
identified by C. Brizio Cretaceous Lower Cretaceous American South Roanoke (TX) FEU-1027934 |  |