- Source: Alvania holsatica
Alvania holsatica is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Distribution
Fossils have been found in Miocene strata in North Germany.
References
Anderson, H. J. (1960). Die Gastropoden des jüngeren Tertiärs in Nordwestdeutschland. Teil 2: Prosobranchia Mesogastropoda. I. Littorinacea, Rissoacea, Cerithiacea. Meyniana. 9: 13–79.
Janssen, A. W. (1967). Beiträge zur Kenntnis des Miocäns von Dingden und seiner Molluskenfauna 1. Geologica et Paleontologica. 1: 115–173.