| Alvania beyrichii | |
|---|---|
| Shell ofAlvania 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 beyrichiiBosquet, 1859 (basionym; does not belong toRissoa) | |
Alvania beyrichii is an extinctspecies of minutesea snail, amarinegastropodmollusc ormicromollusk in thefamilyRissoidae.[1]
The length of the shell attains 1.6 mm, its diameter 1.2 mm.
Their functional type isBenthos.[1]
Their feeding type was a grazer and also adetritus feeder.[1]
This sectionneeds expansion. You can help byadding missing information.(February 2024) |
Fossils of this species were found in LowerOligocene strata inBelgium.