- calcareous sponges
- известковые губки (Calcarea)
English-russian biological dictionary. 2013.
English-russian biological dictionary. 2013.
Calcareous sponge — Taxobox name = Calcareous sponges image caption = Calcispongiae from Ernst Haeckel s Kunstformen der Natur , 1904 regnum = Animalia phylum = Porifera classis = Calcarea classis horny = Bowerbank, 1864 subdivision ranks = Orders subdivision =… … Wikipedia
calcareous sponge — ▪ sponge any of a class (Calcarea) of sponges characterized by skeletons composed entirely of calcium carbonate spicules (needlelike structures). Calcareous sponges occur mainly on the rocky bottoms of the continental shelves in temperate,… … Universalium
calcareous sponge — noun Many sponges, of the class Calcarea, having skeletons composed of spicules of calcium carbonate … Wiktionary
sponge — spongeless, adj. spongelike, adj. spongingly, adv. /spunj/, n., v., sponged, sponging. n. 1. any aquatic, chiefly marine animal of the phylum Porifera, having a porous structure and usually a horny, siliceous or calcareous internal skeleton or… … Universalium
Sponge — This article is about the aquatic animal. For the porous cleaning tool, see Sponge (material). For other uses, see Sponge (disambiguation). Sponge Temporal range: Ediacaran–Recent … Wikipedia
skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… … Universalium
Cnidaria — Temporal range: 580–0 Ma … Wikipedia
Permian–Triassic extinction event — … Wikipedia
Largest organisms — The largest organism found on earth can be measured using a variety of methods. It could be defined as the largest by volume, mass, height, or length. Some creatures group together to form a superorganism, though this cannot truly be classed as… … Wikipedia
Archaeocyathid — /ahr kee oh suy euh thid, ahr kee euh /, n. one of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner… … Universalium
Ctenophora — For the genus of crane flies, see Ctenophora (genus). Comb jellies Temporal range: Cambrian – Recent … Wikipedia