From Wiktionary, the free dictionary
From acantho- (“spine”) + style (“animal part felt to resemble a pillar”).[1]
acanthostyle (plural acanthostyles)
- (zoology) A spicule with tiny spines from monaxon sponges.
- ^ Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN)