Animals > Invertebrates > Sea Stars & Relatives > Sea Urchins

Slate Pencil Urchin
Pencil Sea Urchin
Eucidaris tribuloides

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Slate Pencil Urchin
Slate Pencil Urchin
Eucidaris tribuloides
Tennessee Aquarium - Chattanooga, TN, USA
© 2005 Jeff Whitlock use this photo