单词 | tetracladine |
释义 | > as lemmastetracladine tetracladine adj. /tɛtrəˈkleɪdaɪn/ of or pertaining to the Tetraclādina, a suborder of lithistid sponges having spicules branching into four or more processes. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > class Hexactinellida > [adjective] > relating to order Lithistida > relating to suborder Tetracladina tetracladine1887 tetracladose1887 1887 W. J. Sollas in Encycl. Brit. XXII. 417/1 [article Sponges] Some or all of the rays of the primitive calthrops..may bifurcate once or twice and finally terminate by subdividing into numerous variously shaped processes; such a tetracladine desma characterizes one division of the Lithistid sponges. 1887 W. J. Sollas in Encycl. Brit. XXII. 422/1 The scleroblast..in the Tetracladine Lithistids lies in an angle between the arms. < as lemmas |
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