Morphological Attributes: Wallmaterial: Overall appearance: Coiling: Chamberform: Aperture Position: Aperture Form: , , , Sutures: , , Ornamentation: , , , |
type specimen holotype Jurassic Middle Jurassic Callovian Midwestern USA FEU-1023648 | type specimen holotype Jurassic Middle Jurassic Callovian Midwestern USA FEU-1023649 |