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Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Jurassic Upper Jurassic Arctic Martin Creek Section FEU-1015625 |  | type specimen paratype Jurassic Upper Jurassic Arctic Martin Creek Section FEU-1015626 |  |