| 单词 |
acantho- |
| 释义 |
acantho-
ad. Gr. ἀκανθο- combining form of ἄκανθα thorn, as in ἀκανθο-ϕόρος thorn-bearing; hence in many modern compounds with sense of ‘thorn, thorny.’ acanˈthodian |-ˈəʊd-|, earlier also -ean, a. and n., (of) a small spiny-finned, shark-like fossil fish of the genus Acanthodes found esp. in rocks of the Devonian period.
1852D. T. Ansted in Man. Geogr. Sci. I. xii. 380 The Acanthodians and Dipterians (two families of Ganoids, nearly allied to the Lepidoids). 1861P. de M. G. Egerton in Geol. Survey U.K., Memoirs, Organic Remains Dec. X. 67 The scales..resemble those of the other Acanthodean fishes. 1869J. Powrie in Trans. Edin. Geol. Soc. 286 None of our Old Sandstone Acanthodeans have yet been found of large size. 1894R. H. Traquair in Geol. Mag. Dec. IV. I. 256 We may also, in the series of Acanthodian genera, trace every gradation from the most to the least claviculoid shape. 1937Phil. Trans. R. Soc. B. CCXXVIII. 58 The whole fish is covered with the customary square Acanthodian scales. |
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