Halichondriae n. pl. : An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea.

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Taxonomy
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Defination from the web:
Halichondriae in the Online Dictionary. Meaning of Halichondriae. Pronunciation of Halichondriae. Translations of Halichondriae. ... Halichondriae. Halicoeres. Halicoeres bivittatus. Halicoeres bivittatus. Halicoeres radiatus. Halicore. Halicoryne. Halictidae ...