Webblikely origins of cetaceans. In 1979, a team looking for fossils in northern Pakistan found what proved to be the oldest fossil whale. The fossil was officially named Pakicetus in … WebbPaleontological evidence indicates that Cetacea arose about 50 million years ago during the early Eocene (Mchedlidze, 1984; Thewissen et al., 2009 ). The closest sister group of cetaceans appears to be Indohyus within the extinct Raoellidae, a family of small, digitigrade, likely amphibious artiodactyls (Thewissen, 1998 ).

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WebbCetacean origins and uniqueness For most of mammalian history, the basic body plan resembled a small, shrew-like fossorial or arboreal creature. From this origin, many … Webbultimately from Latin cetus whale, from Greek kētos First Known Use 1840, in the meaning defined above Time Traveler The first known use of cetacean was in 1840 See more … darin rutherford md

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Webb16 apr. 2009 · Cetaceans (whales, dolphins, and porpoises) are an order of mammals that originated about 50 million years ago in the Eocene … WebbEntities that may be considered cryptids by cryptozoologists include Bigfoot, Yeti, the chupacabra, the Jersey Devil, the Loch Ness Monster, and the Mokele-mbembe. Scholars have noted that the cryptozoology subculture rejected mainstream approaches from an early date, and that adherents often express hostility to mainstream science. WebbThe story of cetacean origin, early evolution, diversification, and dispersal has dramatically changed in the last 20 years, related in large part to discoveries made in Pakistan, India, … darin s husaby agency