ascon type of sponge

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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
ascon — /as kon/, n. a type of sponge having an oval shape and a thin body wall with pores leading directly into the spongocoel. Cf. leucon, sycon. [alter. of Gk askós; see ASCO ] * * * … Universalium
leucon — /looh kon/, n. Zool. a type of sponge having a thick body wall with a highly branched canal system leading into the spongocoel. Cf. ascon, sycon. [ < NL < Gk leukón, n. use of neut. of leukós white] * * * … Universalium
sycon — /suy kon/, n. a type of sponge having a thick body wall that is folded to form many short canals leading to the spongocoel. Cf. ascon, leucon. [1885 90; < NL < Gk sykon fig] * * * … Universalium

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