Main
Key to Species
About
Contact
|
Morphological Attributes: Wallmaterial: hyaline Overall appearance: coiled spirally Coiling: trochospiral Chamberform: triangular to trapezoid Aperture Position: umbilical extraumbilical Aperture Form: slit, no tooth, no neck, no lip Sutures: --, curved, -- Ornamentation: --, --, --, -- |
identified by scientist Cretaceous Upper Cretaceous Campanian Paris Basin unknown FEU-1010835 |  | identified by scientist Cretaceous Upper Cretaceous Campanian Southern Siberian Mountains Aktobe Region FEU-1010836 |  |