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Morphological Attributes: Wallmaterial: hyaline Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
identified by M. Hesemann Cretaceous Upper Cretaceous Campanian American South Lavon Lake FEU-1018507 |  | identified by M. Hesemann Cretaceous Upper Cretaceous Campanian American South Lavon Lake FEU-1018510 |  |