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dimetrodon

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dimetrodon  (d-mtr-dn)
An extinct, carnivorous reptile of the genus Dimetrodon of the Permian Period having a body similar to an alligator's but with a tall, curved sail on its back. The sail had a thick network of blood vessels and may have been used to regulate the animal's body temperature. The dimetrodon belonged to the synapsids, an early group of reptiles that was ancestral to mammals.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.dimetrodon - carnivorous dinosaur of the Permian in North America having a crest or dorsal saildimetrodon - carnivorous dinosaur of the Permian in North America having a crest or dorsal sail
synapsid, synapsid reptile - extinct reptile having a single pair of lateral temporal openings in the skull
genus Dimetrodon - a reptile genus of Pelycosauria
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Young and old readers alike will enjoy these zany short stories about species ranging from velociraptor to dimetrodon to triceratops, baryonyx, and many more as they toil to survive, escape quicksand, escort dinosaur babies, or even run in fear from ghosts
Dinosaur Hour Volume 1 by Children's Bookwatch
Everybody knows the dimetrodon, a sail-backed animal from the Permian," Lucas said.
LOOKING OUT FOR N.M.'S SCIENTIFIC TREASURES by The Santa Fe New Mexican (Santa Fe, NM)
Then he was found by a dimetrodon, and when he went to escape that dinosaur, he encountered another one.
If You Give a T-Rex a Bone by Feliciano, Matthew / Reviewer's Bookwatch
 
 
 
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