Alvania euphrosine is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.MolluscaBase eds. (2024). MolluscaBase. Alvania euphrosine De Stefani & Pantanelli, 1888 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=874929 on 2024-02-01
Description The length of the shell attains 3.4 mm, its diameter 2 mm.
Distribution Fossils of this marine species were found in Pliocene strata off Siena, Italy.
References
External links De Stefani, C. (1888). Iconografia dei nuovi molluschi pliocenici d'intorno Siena. Bullettino della Società malacologica italiana. 13: 181-23