Arbaciidae
Arbacia punctulata (Lamarck, 1816)
Arbacia punctulata (Lamarck, 1816)
Arbacia punctulata, the Atlantic purple sea urchin, is a North Atlantic species widely used as a model organism in biological research.
Arbacia stellata Gmelin, 1872
Arbacia stellata Gmelin, 1872
Arbacia stellata, the black starry sea urchin, is a spiny marine sea urchin in the family Arbaciidae.
Arbacia lixula (Linnaeus, 1758)
Arbacia lixula (Linnaeus, 1758)
Arbacia lixula is a medium-sized black sea urchin found mostly in shallow Mediterranean and Macaronesian rocky coasts.
Arbacia dufresnii (Blainville, 1825)
Arbacia dufresnii (Blainville, 1825)
Arbacia dufresnii is a spiny sea urchin in the Arbaciidae family, first scientifically described by Blainville in 1825.
Tetrapygus niger (Molina, 1782)
Tetrapygus niger (Molina, 1782)
Tetrapygus niger is a common purplish-black herbivorous sea urchin found along the southeastern Pacific coast of South America.
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