Alvania thalia

Alvania thalia is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.

• † Alvania thalia var. exbrevis <small>Sacco, 1895</small>
• † Alvania thalia var. subacingulata <small>Sacco, 1895</small>

Description

The length of the shell attains 4.9&nbsp;mm, its diameter 1.8&nbsp;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
• Glibert, M. (1962). Les Mesogastropoda fossiles du Cénozoïque étranger des collections de l'Institut Royal des Sciences Naturelles de Belgique. Première partie. Cyclophoridae à Stiliferidae (inclus). Institut Royal des Sciences naturelles de Belgiques, Mémoires. Deuxième série. 69: 1-305