A molluscan faunule from the Miocene Cumaca Formation of the western margin of the Tuy Basin (Venezuela) is described. The fauna yields two species of freshwater snails and a single terrestrial snail species. Tryonia vivasi nov. spec, is described from the fauna, and its biogeographical significance is discussed.

, , , , ,
Cainozoic research

CC BY-NC-ND 2.0 NL ("Naamsvermelding-NietCommercieel-GeenAfgeleideWerken")

Werkgroep voor Tertiaire en Kwartaire Geologie

F.P. Wesselingh, & O. Macsotay. (2004). A Miocene molluscan faunule from Caucagua (Miranda State, Venezuela), with the description of a new species of Tryonia (Mollusca, Gastropoda). Cainozoic research, 4(1/2), 61–65.