Morphological Attributes: Wallmaterial: hyaline Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Quaternary Pleistocene Western Canada and USA unknown FEU-1007662 | ![]() | type specimen holotype Quaternary Pleistocene Western Canada and USA unknown FEU-1007663 | ![]() |