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・ Mesonerilla
・ Mesonerilla prospera
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・ Mesonic molecule
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Mesonychidae
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・ Mesopelagic zone
・ Mesopelex
・ Mesopelex zelandica
・ Mesopeplum
・ Mesopeplum convexum
・ Mesoperipatus
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Mesonychidae : ウィキペディア英語版
Mesonychidae

Mesonychidae ("Middle Claws") is an extinct family of small to large-sized omnivorous-carnivorous mammals closely related to cetartiodactyls (even-toed ungulates & cetaceans) which were endemic to North America and Eurasia during the Early Paleocene to the Early Oligocene.
== Description ==
The mesonychids were an unusual group of condylarths with a specialized dentition featuring tri-cuspid upper molars and high-crowned lower molars with shearing surfaces. They were once viewed as primitive carnivores, like the Paleocene family ''Arctocyonidae'', and their diet probably included meat and fish. In contrast to this other family of early mammals, the mesonychids had only four digits furnished with hooves supported by narrow fissured end phalanges.


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Mesonychidae」の詳細全文を読む



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