Morphological Attributes: Wallmaterial: hyaline Overall appearance: elongate Coiling: uniserial Chamberform: triangular to trapezoid Aperture Position: terminal Aperture Form: radiate, no tooth, no neck, no lip Sutures: --, straight, -- Ornamentation: --, striate, --, -- |
type specimen holotype Cretaceous Lower Cretaceous Albian North European Plain Delft FEU-1008025 |