Alvania perregularis

Alvania perregularis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Littorinimorpha
Superfamily:	Rissooidea
Family:	Rissoidae
Genus:	Alvania
Species:	†A. perregularis
Binomial name
†Alvania perregularis Sacco, 1895
Synonyms
† Alvania (Acinus) mariae var. perregularis Sacco, 1895 superseded rank † Alvania (Arsenia) perregularis Sacco, 1895 superseded rank

Alvania perregularis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.^[1]

Variety

• † Alvania perregularis var. varicosa Friedberg, 1923 (taxon inquirendum)

Fossils of this species were found in Tortonian strata (Miocene) near Steinbrunn, Austria.

• Landau, B. M., Harzhauser, M., İslamoğlu, Y. & da Silva, C. M. (2013). Systematics and palaeobiogeography of the gastropods of the middle Miocene (Serravallian) Karaman Basin, Turkey. Cainozoic Research. 11-13: 1–584.

• Sacco, F. (1895). I Molluschi dei terreni terziarii del Piemonte e della Liguria. Parte XVIII. (Melaniidae, Littorinidae, Fossaridae, Rissoidae, Hydrobiidae, Paludinidae e Valvatidae). Torino: Carlo Clausen. 51 pp., 1 p
• Glibert, M. (1962). Les Mesogastropoda fossiles du Cénozoïque étranger des collections de l'Institut Royal des Sciences Naturelles de Belgique. Première partie. Cyclophoridae à Stiliferidae (inclus). Institut Royal des Sciences naturelles de Belgiques, Mémoires. Deuxième série. 69: 1-305
• Kovács, Z.; Stein, G. (2023). Middle Miocene Rissooidea (Caenogastropoda) of Letkés (Hungary). Földtani Közlöny. 153(1): 19-34

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