Alvania dumasi | |
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Shell of Alvania dumasi (holotype) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Littorinimorpha |
Superfamily: | Rissooidea |
Family: | Rissoidae |
Genus: | Alvania |
Species: | †A. dumasi
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Binomial name | |
†Alvania dumasi (Cossmann, 1899)
| |
Synonyms | |
† Rissoia dumasi Cossmann, 1899 |
Alvania dumasi 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 3¼ mm, its diameter 2 mm.
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Fossils were found in Eocene strata in the Lower Loire basin, France.