Aartsen, J.J. van New Odostomia species (Gastropoda, Heterobranchia, Pyramidellidae) from the Miocene Pebas Formation of Western Amazonia (Peru, Colombia) - 2000 - pp. 165-170 ilus. Copia fotostática Subjects--Topical Terms: GASTROPODAMIOCENOMOLLUSCAODOSTOMIA Subjects--Geographic Terms: AMAZONIACOLOMBIAPERU Subjects--Index Terms: FORMACION PEBAS