Alvania beyrichii

Alvania beyrichii
Shell of Alvania beyrichii (holotype)
Scientific classification Edit this 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]

Description

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]

Distribution

Fossils of this species were found in Lower Oligocene strata in Belgium.

References

  1. ^ a b c MolluscaBase eds. (2024). MolluscaBase. Alvania beyrichii (Bosquet, 1859) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1376484 on 2024-02-08
  • Glibert, M. and J. de Heinzelin de Braucourt. (1954). L'Oligocène Inférieur Belge. Volume Jubilaire Victor van Straelen. 281–438; plates I-VII. 97; plates I-X.


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