Morphological Attributes: Wallmaterial: hyaline Overall appearance: elongate Coiling: biserial Chamberform: triangular to trapezoid Aperture Position: basal Aperture Form: round oval reniform, tooth, no neck, no lip Sutures: depressed, curved, -- Ornamentation: --, --, --, keeled |
type specimen holotype Neogene Pliocene Mexico and Middle America unknown FEU-1008314 |