A nomenclator of extant and fossil taxa of the Melanopsidae (Gastropoda, Cerithioidea) Neubauer, Thomas A. ZooKeys 2016 2016-07-05 602 1 358 CD77422E-E28E-69BF-EF1F-A1BAD49D94D3 Neumayr, 1869 Neumayr 1869 Gastropoda Melanopsidae Melanopsis treatment-meta Animalia Melanopsis inconstans Sorbeoconcha 134 135 Mollusca species inconstans  Original source.  Neumayr 1869: 356, pl. 11, figs 9-18.  Type horizon. Langhian, middle Miocene.  Type locality.  "Miocic"[ Miocic], Croatia.  Types. Illustrated syntypes are stored at the Geological Survey Austria, Vienna, coll. no. 1869/01/3/1-10.