Loading AI tools
Family of sea urchins From Wikipedia, the free encyclopedia
The Diadematidae are a family of sea urchins. Their tests are either rigid or flexible and their spines are long and hollow.[2]
Diadematidae | |
---|---|
Diadema setosum in Oman. | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Order: | Diadematoida |
Family: | Diadematidae Gray, 1855 [1] |
Like other sea urchins diadematids are sensitive to touch, light, and chemicals; additionally they do have eyes (eye spots) which is in contrast to other sea urchins. Because of this they can follow a threat with their spines.[4]
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.