Resumen de Gastrópodos de la Formación El Morterito (Mioceno Superior), valle del Cajón, provincia de Catamarca, Argentina
Lourdes Susana Morton, Rafael Hersbt
Gastropods from the Morterito Formation (Upper Miocene) in the Cajon Valley, Catamarcaprovince, Argentina. A gastropod fauna from several localities in the Cajón valley, Catamarca province, fromthe 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 ofCyclodontina (Odontostomidae). This association suggests shallow freshwater bodies, with vegetated margins.
