Slate pencil urchin
Appearance
(Redirected from Slate pencil urchin (disambiguation))
Slate pencil urchin (named after slate pencil) is a common name for several sea urchin species with blunt spines:
- Eucidaris, a genus with several tropical species, especially:
- Eucidaris thouarsii, an East Pacific species
- Eucidaris tribuloides, an Atlantic species
- Heterocentrotus, a genus with two Indo-Pacific species