Main
Key to Species
About
Contact
|
Morphological Attributes: Wallmaterial: agglutinated Overall appearance: round and flat Coiling: single chambered Chamberform: round and flat Aperture Position: terminal Aperture Form: round oval reniform, --, neck, -- Sutures: --, --, -- Ornamentation: --, --, --, -- |
type specimen holotype Carboniferous Mississippian Lower Mississippian Midwestern USA Chouteau Group FEU-1004813 |  |