Alvania critica is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.MolluscaBase eds. (2024). MolluscaBase. Alvania critica O. Boettger, 1907 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1341514 on 2024-02-11
Description
The length of the shell attains 2.5 mm, its diameter 1.5 mm. Distribution Fossils were found in the Miocene strata in Central Europe, Greece and Turkey.
References
Landau, B. M., Harzhauser, M., İslamoğlu, Y. & da Silva, C. M. (2013). Systematics and palaeobiogeography of the gastropods of the middle Miocene (Serravallian) Karaman Basin, Turkey. Cainozoic Research. 11-13: 1–584.
External links Boettger, O. (1907). Zur Kenntnis der Fauna der mittelmiocänen Schichten von Kostej im Krassó–Szörényer Komitat (Gasteropoden und Anneliden). III. Verhandlungen und Mitteilungen des Siebenbürgischen Vereins für Naturwissenschaften zu Hermannstadt. 55 (1905): 101-244. Hermannstadt Thivaiou D., Harzhauser M. & Koskeridou E. (2019). Early Miocene gastropods from the Felli section (Proto-Mediterranean Sea, NW Greece). Geodiversitas. 41(8): 323-366.