Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various carnivorous pelycosaurs of the genus Dimetrodon of the Permian Period, having long spines on the back that supported a sail-like structure, and powerful jaws with sharp teeth.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
carnivorous synapsid , of the genus Dimetrodon, from thePermian period
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun carnivorous dinosaur of the Permian in North America having a crest or dorsal sail
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Still trying to figure out when I can sneak a dimetrodon into STRANGEWAYS, actually ...
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I was under the impression that “therapsid” always referred to a kind of synapsid reptile and was distinct from “pelycosaur” another kind of synapsid think dimetrodon.
Controversies in Evolution: 'Jurassic beaver' unearthed in China - The Panda's Thumb 2006
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Synapsids were pelycosaurs (i.e. dimetrodon) cynodonts, dicynodonts and all living and extinct mammals (a true clade), euryapsids were plesiosaurs and icthyosaurs (now all extinct) and diapsids all other amniotes.
Drawing a Line in the Academic Sand - The Panda's Thumb 2005
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You haven't lived, 'til you've heard a dimetrodon scream.
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"Everybody knows the dimetrodon, a sail-backed animal from the Permian," Lucas said.
Santa Fe and Northern New Mexico news - Santa Fe New Mexican 2009
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What was the song played on the Cher montage on Ellen Degenerass when Cher came to the show? in walking with beasts did petrolacasaurus evolve into edaphosaurus and dimetrodon?
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