Odostomia nuttalli spec. nov. and O. cotuhensis spec. nov. are described from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. A third pyramidellid snail is also diagnosed. These species are indicators for marine influence in the late Middle to early Late Miocene of Western Amazonia. Some ecological implications are discussed.

Miocene, systematics, Gastropoda, Mollusca, Pebas Formation, Amazonia, Odostomia

CC BY-NC 4.0 NL ("Naamsvermelding-NietCommercieel")

Nederlandse Malacologische Vereniging

J.J. van Aartsen, & F.P. Wesselingh. (2000). New Odostomia species (Gastropoda, Heterobranchia, Pyramidellidae) from the Miocene Pebas Formation of Western Amazonia (Peru, Colombia). Basteria, 64(4/6), 165–170.