Definition of Pelycosaur

1. Noun. Large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America.

Generic synonyms: Synapsid, Synapsid Reptile
Group relationships: Order Pelycosauria, Pelycosauria

Definition of Pelycosaur

1. [n -S]

Lexicographical Neighbors of Pelycosaur

pelvis plana
pelvis renalis
pelvis spuria
pelvis vera
pelvisacral
pelviscope
pelvises
pelvitherm
pelviureterography
pelvivertebral angle
pelvocephalography
pelvoscopy
pelvospondylitis ossificans
pelyco-
pelycosaur (current term)
pelycosaurs
pembina
pembinas
pembrokes
pemetrexed
pemican
pemicans
pemmican
pemmicans
pemoline
pemolines
pemphigoid
pemphigous

Literary usage of Pelycosaur

Below you will find example usage of this term as found in modern and/or classical literature:

1. Bulletin of the American Museum of Natural History by American Museum of Natural History (1914)
"The structure of the outer side of the pelycosaur jaw as has been known for some years is almost exactly similar to that of the ..."

2. Science by American Association for the Advancement of Science (1910)
"... Species: a Permian pelycosaur: SW WILLISTON, Chicago, 111. Description with full illustrations of the complete skeleton of ..."

3. The American Year Book: A Record of Events and Progress by Francis Graham Wickware, (, Albert Bushnell Hart, (, Simon Newton Dexter North, William M. Schuyler (1918)
"... the latter is nearly related to the long- spined pelycosaur Dimetrodon, although its own spines are ..."

4. Proceedings of the American Philosophical Society Held at Philadelphia for by American Philosophical Society (1885)
"I subsequently showed the resemblance between the pelvis of the pelycosaur division, and that of the Monotremata. This was followed by a demonstration of ..."

5. Year Book by Carnegie Institution of Washington (1906)
"... borealis has been shown to be a true pelycosaur and not a Triassic dinosaur, so the beds in the vicinity of New London, Prince Edward Island, ..."

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