Marine mammals from the Miocene of Panama |
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| Affiliation: | 1. Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum University of Bologna, via Zamboni 67, 40126 Bologna, Italy;2. Helmholtz Center for Environmental Research — UFZ, Department for Isotope Biogeochemistry, Permoserstrasse 15, 04318 Leipzig, Germany;3. 360;1. Depto. de Geología Regional, Instituto de Geología, Universidad Nacional Autónoma de México, 04510 México, D.F., Mexico;2. Department of Geology, Saint Mary''s University, Halifax, Nova Scotia B3H 3C3, Canada;3. State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan, Hubei 430074, China |
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| Abstract: | Panama has produced an abundance of Neogene marine fossils both invertebrate (mollusks, corals, microfossils etc.) and vertebrate (fish, land mammals etc.), but marine mammals have not been previously reported. Here we describe a cetacean thoracic vertebra from the late Miocene Tobabe Formation, a partial cetacean rib from the late Miocene Gatun Formation, and a sirenian caudal vertebra and rib fragments from the early Miocene Culebra Formation. These finds suggest that Central America may yet provide additional fossil marine mammal specimens that will help us to understand the evolution, and particularly the biogeography of these groups. |
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