| 释义 |
elasipod, n. (and a.) Zool.|ɪˈlæsɪpɒd|
[ad. mod.L. Elasipoda (H. Théel 1882, in Rep. Sci. Results Voyage H.M.S. Challenger: Zool. IV. xiii. 1), f. Gr. ἐλασµός metal plate + -i- + πούς, ποδ- foot.]
A member of the order Elasipoda of holothurians, found mainly in deep water and characterized by shield-shaped buccal tentacles and the absence of respiratory trees. Freq. attrib. or as adj.
1892Zool. Rec. XXVIII. 27 (caption) Elasipod branch. 1893Jrnl. R. Microsc. Soc. XIII. 485 Of the six Elasipod Psychropotinæ, Benthodytes incerta, [etc.]..are new. 1955L. H. Hyman Invertebrates IV. vii. 236 The elasipods often live in aggregations of the same or of mixed species and occur in the greatest abundance on bottoms of clay or ooze. 1962D. Nichols Echinoderms vi. 77 A few holothuroids are pelagic, e.g. the elasipod Pelagothuria. 1976Nature 2 Sept. 51/1 Elasipod holothurians are deposit feeders. |