Main
Key to Species
About
Contact
|
Morphological Attributes: Wallmaterial: hyaline Overall appearance: coiled spirally Coiling: trochospiral Chamberform: -- Aperture Position: basal Aperture Form: slit, --, --, lip Sutures: depressed, curved, -- Ornamentation: --, --, --, -- |
type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008637 |  | type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008638 |  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian North European Plain Ruegen Jasmund FEU-1006527 |  | identified by scientist Cretaceous Upper Cretaceous Maastrichtian North European Plain Ruegen Jasmund FEU-1006528 |  | identified by M. Hesemann Cretaceous Upper Cretaceous Maastrichtian North European Plain Moen FEU-1001395 |  |
identified by M. Hesemann Cretaceous Upper Cretaceous Maastrichtian North European Plain Moen FEU-1013222 |  |