- Rostellaria mutabilis Mayer-Eymar, 1888
Original Description of Rostellaria mutabilis by Mayer-Eymar, 1888:
- "R. testa ovato-oblonga; spira conica, apice acuta; anfractibus circ. decenis, primis senis plano-convexis, variculosis. alteris angustis, angulatis, scalariformibus; ultimo anfractu maximo, ad suturam angulato, dorso applanato, antice sensim attenuato; apertura oblonga; labro vix expanso, postice rimam brevissimam marginante. Long. 63, lat. 28 millim."
Locus typicus: Monte Postale, NE of Bolca, Verona and Vicenza Provinces, Veneto Region, Italy
Stratum typicum: Cuisian, Ypresian, Eocene
Rostellaria mutabilis in Mayer-Eymar, 1888, plate V, fig. 11
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