Morphological Attributes: Wallmaterial: agglutinated Overall appearance: elongate Coiling: biserial Chamberform: brick Aperture Position: basal Aperture Form: arcuate lunear arch, no tooth, no neck, no lip Sutures: --, straight, -- Ornamentation: --, --, --, -- |
type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008754 | type specimen holotype Cretaceous Upper Cretaceous Mexico and Middle America unknown FEU-1008755 |