New Species of Mollusca from the Entrerriense Formation (Upper Miocene) of Chubut Province, Argentina and Species Not Previously Reported from this Formation Part II - Gastropoda

Rodolfo F.J. Brunet

Abstract


The second part of this work contains the descriptions and systematics of gastropods obtained from the upper levels of the Entrerriense Formation (Late Miocene), outcropping at various localities in the Valdes Peninsula, Chubut Province, Argentina.  Herein are treated 62 species, of which 37 are new to science, the remainder are either previously described or closely related to described species.  Forty-two species are new to the fauna, which consolidates the affinities with the Panamanian, Caribbean, and Neozelandic Bioprovinces.


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