By Felix G. Marx, Olivier Lambert, Mark D. Uhen
Cetaceans (whales, dolphins, and porpoises) have involved and bewildered people all through background. Their mammalian affinities were lengthy famous, yet precisely which workforce of terrestrial mammals they descend from has, till lately, remained at the hours of darkness. contemporary many years have produced a flurry of recent fossil cetaceans, extending their fossil historical past to over 50 million years in the past. besides new insights from genetics and developmental experiences, those discoveries have helped to explain where of cetaceans between mammals, and enriched our figuring out in their precise variations for feeding, locomotion and sensory structures. Their consistently enhancing fossil list and successive transformation into hugely really good marine mammals have made cetaceans a textbook case of evolution - as iconic in its personal manner because the beginning of birds from dinosaurs. This publication goals to summarize our present knowing of cetacean evolution for the intense scholar and beginner utilizing pictures, drawings, charts and illustrations.
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Extra resources for Cetacean Paleobiology
S. Jones, T. J. Devries, D. A. Foster, and R. Salas‐Gismondi. 2012. Origin of the white shark Carcharodon (Lamniformes: Lamnidae) based on recalibration of the Upper Neogene Pisco Formation of Peru. Palaeontology 55:1139–1153. Emlong, D. R. 1966. A new archaic cetacean from the Oligocene of northwest Oregon. Bulletin of R eferences 37 the Oregon University Museum of Natural History 3:1–51. , L. Brand, K. E. Nick, O. Poma, and M. Urbina. 2008. Exceptional occurrence of fossil baleen in shallow marine sediments of the Neogene Pisco Formation, Southern Peru.
This is roughly in accord with the fauna recovered from the St Lawrence River Valley in eastern Canada, which was briefly inundated by the Atlantic Ocean around 15 000 years ago, thus forming the Champlain Sea. , 2006). 3 South Atlantic The history of cetaceans in the South Atlantic is extremely poorly known, and largely based on specimens from the Early Miocene (Burdigalian) Gaiman and the Late Miocene (Tortonian) Puerto Madryn formations, both exposed near Puerto Madryn in the province of Chubut, Patagonia, Argentina.
Journal of Vertebrate Paleontology 34:195–210. Allen, G. M. 1921. A new fossil cetacean. Bulletin of the Museum of Comparative Zoology 65:1–13. Alroy, J. 2010. The shifting balance of diversity among major marine animal groups. Science 329:1191–1194. Barnes, L. , J. L. Goedert, and H. Furusawa. 2001. The earliest known echolocating toothed whales (Mammalia; Odontoceti): preliminary observations of fossils from Washington State. Mesa Southwest Museum Bulletin 8:91–100. Barnes, L. , M. Kimura, H.