NEW RECORDS OF MARINE GASTROPODS FROM THE LOWER CRETACEOUS OF WEST-CENTRAL ARGENTINA

CATALDO, CECILIA

AMEGHINIANA

ASOCIACION PALEONTOLOGICA ARGENTINA

Año: 2017

0002-7014

Eleven new records of marine gastropods from several localities in west-central Argentina are presented, including the following new species: Proconulus kotrus, Calliotropis (Riselloidea) ligosta, Lyosoma truquicoensis, Exelissa crassicostata, Cirsocerithium agriorivensis, Cataldia? binodosa, Vanikoropsis? leviplicata and Tornatellaea neuquina. These records come from two Early Cretaceous units of the Neuquén Basin: the Mulichinco (Valanginian) and Agrio (upper Valanginian-upper Hauterivian/lowermost Barremian) formations. The families Proconulidae, Calliotropidae, Neritidae, Cryptaulacidae, ?Peudomelaniidae, Vanikoridae, Epitoniidae and Acteonida are represented, whilst one record is as yet unassigned at the family level.