Monaxonida

plural noun
Mon·​ax·​on·​i·​da

Definition of Monaxonida

in some classifications
: a subclass or order of Demospongiae that comprises sponges with siliceous monaxonic megascleres and with or without spongin

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History and Etymology for Monaxonida

New Latin, from mon- + Greek axōn axis + New Latin -ida

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