Eucidaris tribuloides (Lamarck, 1816)

Synonymised taxa: 

Cidaris (Gymnocidaris) tribuloides (Lamarck, 1816) (transferred to Eucidaris)
Cidaris annulata Gray, 1855 (subjective junior synonym)
Cidaris minor Koehler, 1908 (subjective junior synonym)
Cidaris tribuloides (Lamarck, 1816) (transferred to Eucidaris)
Cidarites tribuloides Lamarck, 1816 (transferred to Eucidaris)

Distribution: 

In Panama this species is common under rocks and wedged within branching coral heads on Caribbean reefs. It has been collected from Portobelo (USNM E 11403), Galeta Island (USNM E 25672), Sail Rock, Colon (USNM E 18743),Margarita Island, Fort Randolph (USNM E 18754), Devils Beach, Fort Sherman (USNM E 30803), near the mouth of the Piedras River (USNM E 18696), Fox Bay, Colon (USNM E 4801), Miria Island, San Blas (USNM E 18754), Pico Feo Island, San Blas (USNM E 18776), and Corgetupo Island, San Blas (USNM E 18802), Caribbean Sea.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith