单词 | plectospondylous |
释义 | † plectospondylousadj. Ichthyology. Obsolete. = plectospondyl adj. ΚΠ 1887 Amer. Naturalist 21 451 This Realm [sc. the Cænozoic] is distinguished from the Cretacic..in North America by the following peculiarities. In Vertebrata:..By the presence of plectospondylous fishes. 1895 Science 22 Nov. 679/1 All the numerous families of the Plectospondylous and Nematognathous orders are derivatives from primitive fresh-water types. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2020). < adj.1887 |
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