[ ring-koh-suh-feyl-yuhn, -fey-lee-uhn ]
/ ˌrɪŋ koʊ səˈfeɪl yən, -ˈfeɪ li ən /
belonging or pertaining to the Rhynchocephalia, an order of lizardlike reptiles that are extinct except for the tuatara.
a rhynchocephalian reptile.
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Words nearby rhynchocephalian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for rhynchocephalian
In the Rhynchocephalian Hyperodapedon they are drawn out into a strongly curved beak.The Vertebrate Skeleton|Sidney H. Reynolds
British Dictionary definitions for rhynchocephalian
/ (ˌrɪŋkəʊsɪˈfælɪən) /
of, relating to, or belonging to the Rhyncocephalia, an order of lizard-like reptiles common in the Mesozoic era but today represented only by the tuatara
any reptile belonging to the order Rhyncocephalia
Word Origin for rhynchocephalian
C19: from New Latin Rhynchocephalia, from Greek rhunkhos a snout + kephalē head
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for rhynchocephalian
[ rĭng′kō-sə-fāl′yən ]
Any of various mostly extinct lizardlike reptiles of the order Rhynchocephalia, whose only living representative is the tuatara (Sphenodon punctatus and S. guntheri). Rhynchocephalians have several primitive skeletal features, including two temporal arches on each side of the skull rather than one, and teeth attached to the edge of the jaw rather than set in sockets. Most rhynchocephalians died out by the end of the Jurassic Period.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.