Alvania perregularis
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Alvania perregularis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.
Variety
- † Alvania perregularis var. varicosa Friedberg, 1923 (taxon inquirendum)
Distribution
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.