英语词汇“ichthyopsida”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

ichthyopsida

释义

‖ ichthyopsida, n. pl. Zool.|ɪkθɪˈɒpsɪdə|
[mod.L., f. ichthyo- + Gr. ὄψις appearance: see -id.]
The lowest of the three primary groups of Vertebrata in Huxley's classification, comprising the branchiate vertebrates, i.e. the amphibians or batrachians, the fishes, and fish-like vertebrates. Hence ichthyˈopsid, -ˈopsidan, -opˈsidian adjs., of or belonging to the Ichthyopsida; ns. a vertebrate of this group.
1871Huxley Anat. Vert. ii. 75 The spinal accessory exists in no Ichthyopsid vertebrate.Ibid. iii. 112 The Vertebrata are divided into three primary groups or provinces: the Ichthyopsida, the Sauropsida, and the Mammalia.1872Mivart Elem. Anat. ii. 43 All Vertebrates above the Ichthyopsida.1887J. Cleland in Nature 24 Feb. 391/1 There were two kinds of protovertebrates, namely, piscine and reptilian—or ichthyopsidan and sauropsidan, as Prof. Parker would probably prefer to call them.1888Rolleston & Jackson Anim. Life 432 Class Cyclostomi..Elongated Eel-like Ichthyopsida, with the mouth not supported by jaws as in other Vertebrata.

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友情链接