Arbacia dufresnii (Blainville, 1825)
Naked green sea urchin
erizo desnudo verde,  Naked green sea urchin
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Family:  Arbaciidae ()
Max. size: 
Environment:  benthic; marine; depth range 0 - 315 m
Distribution:  Southern Ocean.
Diagnosis:   
Biology:  It is found on rocky substrates at depths of 0 to 315 m (Ref. 87801).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  Known from Puerto Montt to Peninsuila Taitao and Golfo de Penas to southern Strait of Magellan; Tierra del Fuego, Cape Horn (Ref. 87801). C: Ref. 87801.

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