elasmosaur

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elasmosaur

(ɪˈlæzməˌsɔː)
n
(Animals) a very long-necked extinct marine reptile: a type of plesiosaur
[C19: from Greek elasmos metal plate + sauros lizard]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Thus, on the basis of the general shape of the teeth, the extensive covering of enamel, and the distribution of striations on the enamel, we identify these teeth as Elasmosauridae gen.
Late Cretaceous reptiles (Families Elasmosauridae and Pliosauridae) from the Mangahouanga Stream, North Island, New Zealand.