- acanthosphenote
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adj. [Gr. akantha, thorn, spine; sphen, wedge](ECHINODERMATA: Echinoidea)Pertaining to a spine composed of solid wedges separated by porous tissue.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.