Gastrópodos de la Formación El Morterito (Mioceno Superior), valle del Cajón, provincia de Catamarca, Argentina

Lourdes Morton, Rafael Herbst


Gastropods from the Morterito Formation (Upper Miocene) in the Cajon Valley, Catamarca
province, Argentina. A gastropod fauna from several localities in the Cajón valley, Catamarca province, from
the Upper Miocene El Morterito Formation is described. It includes two new species of Epiphragmophora
(Xanthonychidae), two new species of Biomphalaria (Planorbidae), and one previously known species of
Cyclodontina (Odontostomidae). This association suggests shallow freshwater bodies, with vegetated margins.

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