| 释义 |
scleractinian, n. and a.|ˌsklɪərækˈtɪnɪən|
[f. mod.L. order name Scleractinia (coined as Scleractineae by G. C. Bourne, in E. R. Lankester Treat. Zool. (1900) II. vi. 55), f. Gr. σκληρ-ός hard + ἀκτῖν-, ἀκτίς ray + ia1, -an: cf. Actinia, actinian.]
A. n. A coral of the order Scleractinia or Madreporaria, which is characterized by compact calcareous skeletons and includes all living true corals.
B. adj. Of or pertaining to such a coral or the group as a whole.
1900G. C. Bourne in E. R. Lankester Treat. Zool. II. vi. 61 The anatomy of any Scleractinian resembles, in essential points, that of an Actinia. Ibid. 80 In Heliopora the skeleton is not spicular but lamellar, resembling in structure that of the Scleractinian corals. 1943Spec. Papers Geol. Soc. Amer. No. 44. 1 This revision is the result of a study of the genotype species..of nearly every described scleractinian genus... The distribution of fossil and recent scleractinian faunas is broadly analyzed. Ibid. 90 The forerunners of most of the groups of the scleractinians are found in the Middle and Upper Triassic rocks. 1952R. C. Moore et al. Invertebrate Fossils iv. 143/2 The scleractinians differ from rugose corals chiefly in the mode of addition of new septa. 1973Nature 27 July 201/1 The thirty-six scleractinian species of coral found on the actively growing, fringing reefs along the western coast of Barbados are complemented by varied populations of sponges, anemones,..and cucumbers. |