请输入您要查询的英文单词:

 

单词 labyrinthodont
释义

labyrinthodont

/ˌlabəˈrɪnθədɒnt /
adjective
1 Zoology (Of teeth) having the enamel deeply folded to form a labyrinthine structure.
1.1 Palaeontology Relating to a group of large fossil amphibians of the late Devonian to early Triassic periods having labyrinthodont teeth.On land there was a major faunal turnover in which labyrinthodont amphibians, early reptile groups, and mammal-like reptiles died out and were replaced by archosaurs, lepidosaurs, and mammals....
  • Finding labyrinthodont amphibian vertebrae and lungfish teeth, we took several bags of matrix to wash.
  • Whether it was a labyrinthodont amphibian or a primitive reptile has been much disputed.
noun
A labyrinthodont amphibian.
  • Former subclass Labyrinthodontia: several families, but no longer considered to be a single group.
Curiously, labyrinthodonts are not found in the Otways - crocodiles apparently filled the same ecological niche....
  • Two main types of early amphibians include the large powerfully built labyrinthodonts and the small, slender lepospondyls.
  • All of these Palaeozoic and early Mesozoic amphibians are called labyrinthodonts and lepospondyls, based on features of their teeth and vertebrae.

Origin

Mid 19th century: from modern Latin Labyrinthodontia, from Greek laburinthos 'labyrinth' + odous, odont- 'tooth'.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/25 1:08:59