the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > of unspecified sponge spicule > relating to tylostyle
tylostylote1886
tylostylarc1904
1886 R. von Lendenfeld in Proc. Zool. Soc. 21 Dec. 590 Spicules polyact, tetract, lithistid, tylostylote, or stylote, never cemented with spongin.