Ophiuroid

“Ventral surface of disc of an Ophiuroid (Ophiothrix fragilis). g., Openings of genital pockets or bursae; m., mouth; v., ventral plates of arms; sp., spines of arms; tf., tube-feet--at the right side these are represented as retracted; o., the opening through which they are protruded; p., plates around mouth bearing the so-called teeth; one of these plates is perforated, and functions as the madreporite.” -Thomson, 1916

Keywords

Starfish, Echinoderm, sea star, starfish parts, Ophiuroid, Ophiothrix fragilis, bursae, starfish spines

Galleries

Sea Urchins and Sea Stars

Source

J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)

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