Alvania francescoi | |
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Shell of Alvania francescoi (holotype in the MNHN, Paris) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Littorinimorpha |
Superfamily: | Rissooidea |
Family: | Rissoidae |
Genus: | Alvania |
Species: | †A. francescoi
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Binomial name | |
†Alvania francescoi Garilli, 2008
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Alvania francescoi is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae. [1]
The length of the shell attains 4.8 mm, its diameter 3.1 mm.
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Fossils were found in Pleistocene strata in Sicily, Italy.