Tetrapygus: taxon details and analytics
- Domain
- Kingdom
- Animalia
- Phylum
- Echinodermata
- Class
- Echinoidea
- Order
- Arbacioida
- Family
- Arbaciidae
- Genus
- Tetrapygus
- Species
- Scientific Name
- Tetrapygus
Summary description from Wikipedia:
Tetrapygus
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.
...Images from inaturalist.org observations:
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