protoavis

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protoavis

(ˌprəʊtəʊˈeɪvɪs)

(Palaeontology) a bird-like creature from the late Triassic period

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Noun

protoavis - most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs

bird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

genus Protoavis - extinct primitive birds of the Triassic period; 70 million years before archaeopteryx

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In this study, the author applies stasis theory to a paleontological argument involving a controversial fossil, "Protoavis texensis." Discourse related to the controversy is examined under the lens of the "staseis," and the application of stasis theory to visual components of argumentative texts associated with scientific communication is explored.