Arbacia dufresnii is a species of sea urchin of the family Arbaciidae. Its armour is covered with spines. A. dufresnii was first scientifically described in 1825 by Blainville.Kroh, A. (2010). Arbacia dufresnii] (Blainville, 1825). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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