Meaning Of The Word Pelycosaur
What's the definition of Pelycosaur? Find Pelycosaur meanings, definitions and more at the Real Dictionary online.
Pelycosaur Meaning
| Pelycosaur Definition |
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What's The Definition Of Pelycosaur?
pelycosaur in American English
noun: any of a group of large primitive reptiles belonging to the extinct order Pelycosauria, abundant in North America and Europe during the Permian Period, often having a tall spinal sail pelycosaur in British English noun: any extinct mammal-like reptile of the order Pelycosauria, of Upper Carboniferous to Lower Permian times, from which the therapsids are thought to have evolved |
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