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Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Quaternary Pleistocene Western Canada and USA unknown FEU-1007676 |  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1023144 |  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1023145 |  | Quaternary Holocene recent Pacific off Alaska Sitka FEU-1021493 |  |