Marine mammals from the Miocene of Panama

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• 作者：Mark D. Uhen ; Anthony G. Coates ; Carlos A. Jaramillo ; Camilo Montes ; Catalina Pimiento ; Aldo Rincon ; Nikki Strong ; Jorge Velez-Juarbe
• 关键词：Panama ; Neogene ; Miocene ; Pliocene ; Cetacea ; Sirenia
• 刊名：Journal of South American Earth Sciences
• 出版年：2010
• 出版时间：December 2010
• 年：2010
• 卷：30
• 期：3-4
• 页码：167-175
• 全文大小：1700 K

文摘

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.