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Text
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URL Address
<a href="http://doi.org/10.1007/s12038-009-0060-0" target="_blank" rel="noreferrer noopener">http://doi.org/10.1007/s12038-009-0060-0</a>
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Pages
673-686
Issue
5
Volume
34
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Title
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The origin and early evolution of whales: macroevolution documented on the Indian Subcontinent
Publisher
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Journal of Biosciences
Date
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2009
2009-11
Subject
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Cetacea; India; evolution; energetics; Life Sciences & Biomedicine - Other Topics; artiodactyls; Eocene; pakistan; whales; cetaceans; Eocene; cetartiodactyla; locomotor evolution; dolphins; middle; semiaquatic mammals; underwater hearing
Creator
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Bajpai S; Thewissen J G M; Sahni A
Description
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The origin of whales (order Cetacea) from a four-footed land animal is one of the best understood examples of macroevolutionary change. This evolutionary transition has been substantially elucidated by fossil finds from the Indian subcontinent in the past decade and a half. Here, we review the first steps of whale evolution, i.e. the transition from a land mammal to obligate marine predators, documented by the Eocene cetacean families of the Indian subcontinent: Pakicetidae, Ambulocetidae, Remingtonocetidae, Protocetidae, and Basilosauridae, as well as their artiodactyl sister group, the Raoellidae. We also discuss the influence that the excellent fossil record has on the study of the evolution of organ systems, in particular the locomotor and hearing systems.
Identifier
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<a href="http://doi.org/10.1007/s12038-009-0060-0" target="_blank" rel="noreferrer noopener">10.1007/s12038-009-0060-0</a>
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Journal Article or Conference Abstract Publication
2009
artiodactyls
Bajpai S
Cetacea
cetaceans
Cetartiodactyla
dolphins
energetics
eocene
Evolution
India
Journal Article or Conference Abstract Publication
Journal of Biosciences
Life Sciences & Biomedicine - Other Topics
locomotor evolution
middle
Pakistan
Sahni A
semiaquatic mammals
Thewissen J G M
underwater hearing
WHALES