Alvania beyrichii
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| Alvania beyrichii | |
|---|---|
 | |
| Shell of Alvania beyrichii (holotype) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Rissoidae |
| Genus: | Alvania |
| Species: | †A. beyrichii |
| Binomial name | |
| †Alvania beyrichii (Bosquet, 1859) | |
| Synonyms | |
|
† Rissoa beyrichii Bosquet, 1859 (basionym; does not belong to Rissoa) | |
Alvania beyrichii is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.[1]
The length of the shell attains 1.6 mm, its diameter 1.2 mm.
Their functional type is Benthos.[1]
Their feeding type was a grazer and also a detritus feeder.[1]
