prosauropod

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Related to Prosauropods: Thyreophorans

pro·saur·o·pod

 (prō′sôr′ə-pŏd′)
n.
Any of various saurischian dinosaurs of the group Prosauropoda of the Triassic and Jurassic Periods, having a small head, long neck and tail, serrated teeth, and large thumb claw, and including plateosaurus.

[New Latin Prōsauropoda, group name : Greek pro-, before; see pro-2 + New Latin Sauropoda, group name; see sauropod.]

pro′saur′o·pod′ adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

prosauropod

(prəʊˈsɔːrəˌpɒd)
n
(Palaeontology) a herbivorous dinosaur of the Triassic and early Jurassic periods
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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In addition, a mandibular ramus of Clevosaurus was found associated with the gastroliths (PEO, personal observation), which led Barrett (2000) to argue that 'prosauropods' were omnivorous.
Half a century ago spectacular specimens of prosauropod dinosaurs such as Lufengosaurus were discovered at the same location - which supports the theory that prosauropods gave rise to sauropods, despite the fact that the transition has been very vague, Chatterjee said.
There's also a dinosaur-related time line that shows the evolution of plant and animal life as long ago as 250 million years during the Triassic period, when the first dinosaurs began to appear in the form of herds of prosauropods. During the Jurassic period about 150 million years ago - remember the Jurassic Park movie - Earth's climate became wetter and warmer, giving rise to lush plant growth that made the dinosaur age, with its vast array of creatures, possible.