Alvania basisulcata is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.MolluscaBase eds. (2024). MolluscaBase. Alvania basisulcata A. W. Janssen, 1972 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=872689 on 2024-02-06
Description
The length of the shell attains 2.4 mm, its diameter is 1.6 mm. Distribution Fossils of this species were found in late Miocene strata in Northern Germany.
References
External links Janssen, A. W. (1972). Die Mollusken-Fauna der Twistringer Schichten (Miocän) von Norddeutschland. Scripta Geologica. 10: 1-96, 11 pls