cothurnopore

plural cothurnopores

1. biologyA proto-lamellate organ of a stylophoran composed of U-shaped plates.

   Epispires, cothurnopores, and lamellipores in cornutes are respiratory structures not atypical of early echinoderms and are only superficially similar to chordate gill slits.

   1997 October, R[onald] L. Parsley, “The echinoderm classes Stylophora and Homoiostelea: non Calcichordata”, in The Paleontological Society Papers, volume 3, Cambridge, Cambridgeshire: Cambridge University Press, →DOI, →ISSN, →OCLC, page 225

   1 more example

   In all cornute species where cothurnopores are well preserved, each cothurnopore consists of two U-plates that meet one another at the tips, thus enclosing a small elliptical area.

   2002 April, Mónica Martí Mus, “The Ordovician cornute Flabellicystis rushtoni n. gen. n. sp. (Stylophora, Echinodermata) and its phylogenetic position within the group Cornuta”, in Paläontologische Zeitschrift, volume 76, Suttgart: E. Schweizerbartsche Verlagsbuchhandlung, →DOI, →ISSN, →OCLC, page 105, column 1