Nerineoidea Zittel 1873
- Dataset
- The extinct Nerineoidea and Acteonelloidea (Heterobranchia, Gastropoda): a palaeobiological approach
- Rank
- SUPERFAMILY
Classification
- kingdom
- Animalia
Nerineoidea Zittel 1873
Superfamily NERINEOIDEA Zittel, 1873
Nerineoidea Zittel, 1873: 328.
SUPERFAMILY CHARACTERS. — Shells turriculate to oviform, of medium size to large. Whorls concave to moderately convex. Growth lines adapically reflected. Aperture with expanded inductura, narrow subsutural notch and siphonal notch or canal; plaits, if present, most prominent before the final 1½ whorls, decreasing in size towards aperture.