MolluscaBase taxon details
original description
(of Alvania helenae var. critica O. Boettger, 1907 †) Boettger, O. (1907). Zur Kenntnis der Fauna der mittelmiocänen Schichten von Kostej im Krassó–Szörényer Komitat (Gasteropoden und Anneliden). III. <em>Verhandlungen und Mitteilungen des Siebenbürgischen Vereins für Naturwissenschaften zu Hermannstadt.</em> 55 (for year 1905): 101-244., available online at https://www.biodiversitylibrary.org/page/34803027
page(s): 156 [details]
additional source
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. <em>Cainozoic Research.</em> 11-13: 1-584. [details] Available for editors [request]
status source
Thivaiou D., Harzhauser M. & Koskeridou E. (2019). Early Miocene gastropods from the Felli section (Proto-Mediterranean Sea, NW Greece). <em>Geodiversitas.</em> 41(8): 323-366., available online at http://sciencepress.mnhn.fr/en/periodiques/geodiversitas/41/8
page(s): 340 [details]