Alvania alexandrae

Alvania alexandrae
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Alvania
Species:	†A. alexandrae
Binomial name
	†Alvania alexandrae; O. Boettger, 1902
Synonyms
	† Actonia alexandrae (O. Boettger, 1902) superseded combination (Actonia regarded as a junior of Alvania); † Alvania (Actonia) alexandrae O. Boettger, 1902;

Alvania alexandrae 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 3 mm, its diameter 1.5 mm.

Fossils of this marine species were found in Middle Miocene strata in Poland.

^ MolluscaBase eds. (2024). MolluscaBase. Alvania alexandrae O. Boettger, 1902 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1575770 on 2024-02-03

Kowalke, T.; Harzhauser, M. (2004). Early ontogeny and palaeoecology of the Mid-Miocene rissoid gastropods of the Central Paratethys. Acta Palaeontologica Polonica. 49(1): 111–134.
Zilch, A. (1934). Zur Fauna des Mittel-Miocäns von Kostej (Banat). Typus-Bestimmung und Tafeln zu O. Boettger's Bearbeitungen. Senckenbergiana 16:193-302. 22: pls.

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