List of extinct cetaceans
The list of extinct cetaceans features the extinct genera and species of the order Cetacea. The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, the even-toed ungulates. The earliest cetaceans were still hoofed-mammals. These early cetaceans became gradually better adapted for swimming than for walking on land, finally evolving into fully marine cetaceans.
List of extinct cetaceans
The list of extinct cetaceans features the extinct genera and species of the order Cetacea. The cetaceans (whales, dolphins and porpoises) are descendants of land-living mammals, the even-toed ungulates. The earliest cetaceans were still hoofed-mammals. These early cetaceans became gradually better adapted for swimming than for walking on land, finally evolving into fully marine cetaceans.
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The list of extinct cetaceans ...... find any in the Yangtze River.
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745.156.207
fossil range
Early Eocene - Recent
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A skull of Basilosaurus cetoides.
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ordo authority
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The list of extinct cetaceans ...... g into fully marine cetaceans.
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List of extinct cetaceans
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Cetaceans
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