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Morphological Attributes: Wallmaterial: agglutinated Overall appearance: elongate Coiling: spiral to serial Chamberform: brick Aperture Position: terminal Aperture Form: round oval reniform, no tooth, no neck, no lip Sutures: depressed, straight, -- Ornamentation: --, --, --, -- |
type specimen holotype Jurassic Upper Jurassic Oxfordian Midwestern USA unknown FEU-1006844 |  |