Eucidaris tribuloides was first described and classified by Jean Baptiste Lamarck in 1816 as Cidarites tribuloides.
The modern classification stems from the echinoid treatises by Pomel in 1883 and by Döderlein in 1887. See more

The slate pencil urchin can be found on both sides of the Atlantic, and throughout the Caribbean. On the western side of the Atlantic, the slate … See more

Reproduction in E. tribuloides seems to be sensitive to seasonal cycles, solar cycles, and the lunar cycle. In the Florida Keys, E. tribuloides was … See more

• Photos of Eucidaris tribuloides on Sealife Collection See more

When its development is contrasted to the cidaroid sister subclass Euechinoidea, E. tribuloides becomes a very interesting organism from the … See more

• Erkenbrack EM (Nov 2016). "Divergence of ectodermal and mesodermal gene regulatory network linkages in early development of sea urchins" See more