Arbacia nigra

Arbacia nigra
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Arbacioida
Family: Arbaciidae
Genus: Arbacia
Species:
A. nigra
Binomial name
Arbacia nigra
(Molina, 1782)
Synonyms
  • Tetrapygus niger (Molina, 1782)
  • Echinocidaris nigra (Molina, 1782)
  • Echinus niger Molina, 1782
  • Echinus purpurescens Valenciennes, 1846
  • Pygomma nigrum (Molina, 1782)

Arbacia nigra (= Tetrapygus niger) is a species of sea urchins in the family Arbaciidae. It was first described by the Chilean naturalist Juan Ignacio Molina in 1782. It is found in the southeastern Pacific Ocean on the coasts of South America.

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