Kowalke, T. (2002). Systematic revision of Palaeocene brackish water Gastropoda from Mons, Belgium, based on their early ontogenetic shells. Bulletin de l'Institut royal des Sciences naturelles de Belgique Sciences de la Terre. 72: 111-134.
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Kowalke, T.
2002
Systematic revision of Palaeocene brackish water Gastropoda from Mons, Belgium, based on their early ontogenetic shells.
Bulletin de l’Institut royal des Sciences naturelles de Belgique Sciences de la Terre