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单词 anthracosaur
释义

anthracosaurn.

Brit. /ˈanθrəkəsɔː/, U.S. /ˈænθrəkəˌsɔr/
Origin: A borrowing from Latin. Etymon: Latin Anthracosaurus.
Etymology: < scientific Latin Anthracosaurus Anthracosaurus n., with omission of the ending (compare -saur comb. form). Compare French anthracosaure (1875 or earlier).
Palaeontology.
A member of a group of reptile-like labyrinthodont amphibians of the Carboniferous and early Permian periods, including Anthracosaurus.The formal taxonomic treatment of the group within the early tetrapods has varied, with some writers using Anthracosauria as the name of an order or suborder.
ΚΠ
1877 E. C. Brewer Errors of Speech & Spelling I. 25 Anthracosaur,..an extinct saurian.
1923 Palaeontologia Hungarica (1926) 1 227 Anthracosaurs in which the squamosal has a long suture with the supratemporal and the tabular.
1954 Bull. Mus. Compar. Zoöl. Harvard 111 302 F. von Huene has a ‘Ranus Reptiliamorpha’ including the embolomerous Anthracosaurs.
1977 A. Hallam Planet Earth 269/3 The other major group of labyrinthodonts, the anthracosaurs, contains both aquatic and terrestrial forms.
1988 New Scientist 26 Nov. 19/2 The find casts doubt on contemporary theories which hold that lizards evolved from a group of amphibians called anthracosaurs.
2002 G. M. Eberhart Mysterious Creatures II. 383/1 These freshwater anthracosaurs were as large as 15 feet long. They had weak limbs that may have looked like flippers.
This is a new entry (OED Third Edition, June 2016; most recently modified version published online December 2021).
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