publication . Article . 2017

Oligocene cetaceans from Baja California Sur, Mexico

Hernández Cisneros, Atzcalli Ehécatl; González Barba, Gerardo; Fordyce, Robert Ewan;
Open Access English
  • Published: 01 Jan 2017
  • Publisher: Sociedad Geológica Mexicana, A.C.
Abstract
Abstract Baja California Sur has an important Cenozoic marine fossil record which includes diverse but poorly known Oligocene cetaceans from Mexico. Here we review the cetacean fossil record including new observations from materials that elucidate the evolution of the Neoceti in the Pacific basin. Fossils were collected from outcrops of the El Cien Formation (Oligocene-Early Miocene) and from San Gregorio Formation (Late Oligocene). The specimens belong to the paleontological collection of Museo de Historia Natural de la Universidad Autónoma de Baja California Sur. An estimated 26 unnamed species include toothed cetaceans: possible “archaeocetes” (?Kekenodontida...
Subjects
free text keywords: Mysticeti, Odontoceti, Mexico, fossils, Late Oligocene, México, fósiles, Oligoceno Tardío
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