| Echinothrix diadema | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Diadematoida |
| Family: | Diadematidae |
| Genus: | Echinothrix |
| Species: | E. diadema
|
| Binomial name | |
| Echinothrix diadema | |
The diadema urchin or blue-black urchin (Echinothrix diadema) is a species of tropical sea urchin, member of the Diadematidae family.
- ^ Kroh, Andreas (2013). Kroh A, Mooi R (eds.). "Echinothrix diadema (Linnaeus, 1758)". World Echinoidea Database. World Register of Marine Species. Retrieved 23 November 2013.