cothurnopore

English[edit]

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cothurnopore (plural cothurnopores)

(paleontology) A proto-lamellate organ of a stylophoran composed of U-shaped plates.
- 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:
  Epispires, cothurnopores, and lamellipores in cornutes are respiratory structures not atypical of early echinoderms and are only superficially similar to chordate gill slits.
- 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:
  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.