Pelycosauria

plural noun

Pel·​y·​co·​sau·​ria
: an order of primitive Permian reptiles (subclass Synapsida) that resemble mammals and often have extreme development of the dorsal vertebral processes compare dimetrodon, edaphosaurus
pelycosaurian
¦⸗⸗⸗¦sȯrēən
adjective or noun

Word History

Etymology

New Latin, from pelyco- (from Greek pelyk-, pelyx wooden bowl) + -sauria

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Cite this Entry

“Pelycosauria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Pelycosauria. Accessed 29 Nov. 2022.

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