| 释义 |
lithistid, a. and n.|lɪˈθɪstɪd|
[ad. mod.L. Lithistida (O. Schmidt Grundzüge einer Spongien-fauna des Atlantischen Gebietes (1870) ii. 21), f. Gr. λίθος stone + ἱστός web: see -id.]
a. n. A silicious sponge of the group Lithistida, in which the spicules are articulated to form a silicious skeleton.
b. adj. Pertaining to or having the character of the Lithistida.
1885J. E. Taylor Our Common Brit. Fossils i. 26 Sections of it show it to belong to the lithistids. 1892Athenæum 13 Feb. 218/2 Tetractinellid, lithistid, and hexactinellid spicules are also present. 1894Geol. Mag. Oct. 467 Lithistid sponges from the Upper Cambrian of the Mingan Islands are better preserved. 1972P. Meglitsch Invertebr. Zool. (ed. 2) v. 98/2 Desmas are often cemented together to form a solid meshwork, or lithistid skeleton. |