lithistidn.adj.
/lɪˈθɪstɪd/ A. n.
A silicious sponge of the group Lithistida, in which the spicules are articulated to form a silicious skeleton.
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > class Hexactinellida > [noun] > member of order Lithistida
lithistid1885
lithistidan-
1885 J. E. Taylor Our Common Brit. Fossils i. 26 Sections of it show it to belong to the lithistids.
B. adj.
Pertaining to or having the character of the Lithistida.
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the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > class Hexactinellida > [adjective] > relating to order Lithistida > relating to sponge of Lithistida
lithistid1892
1892 Athenæum 13 Feb. 218/2 Tetractinellid, lithistid, and hexactinellid spicules are also present.
1894 Geol. Mag. Oct. 467 Lithistid sponges from the Upper Cambrian of the Mingan Islands are better preserved.
1972 P. A. Meglitsch Invertebr. Zool. (ed. 2) v. 98/2 Desmas are often cemented together to form a solid meshwork, or lithistid skeleton.
This entry has not yet been fully updated (first published 1903; most recently modified version published online March 2018).
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n.adj.1885