Heterocentrotus trigonarius
Species of sea urchin / From Wikipedia, the free encyclopedia
Heterocentrotus trigonarius,[1] commonly known as the slate pencil urchin or red slate pencil urchin,[2] is found in the tropical waters of the Indo-Pacific region.[1] Heterocentrotus mamillatus is a similar, related species.[2]
Quick Facts Heterocentrotus trigonarius, Scientific classification ...
Heterocentrotus trigonarius | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Echinoidea |
Order: | Camarodonta |
Family: | Echinometridae |
Genus: | Heterocentrotus |
Species: | H. trigonarius |
Binomial name | |
Heterocentrotus trigonarius (Lamarck, 1816) | |
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Heterocentrotus trigonarius can grow to 30 cm (12 in) in diameter (spine-to-spine). The spines are potentially harmful to humans if trodden on.[2]