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出典:Wikipedia
出典:『Wikipedia』 (2010/07/15 10:03 UTC 版)
Clathrinida is an order of Calcinea. Members of this order have calcareous skeletons, and are strictly marine. These sponges have an asconoid structure and lack a true dermal membrane or cortex. The spongocoel is lined with choanocytes.
Clathrinida