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Morphological Attributes: Wallmaterial: hyaline Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1007689 |  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian North European Plain Ruegen Jasmund FEU-1007402 |  | identified by M. Hesemann Cretaceous Upper Cretaceous Maastrichtian North European Plain Steinbeck FEU-1027328 |  | identified by M. Hesemann Cretaceous Upper Cretaceous Campanian North European Plain Lägerdorf Neue Heidestrasse FEU-1018594 |  | identified by C. Brizio Cretaceous Lower Cretaceous American South Roanoke (TX) FEU-1027969 |  |