Brissus obesus is a species of sea urchins of the family Brissidae. Their armour is covered with spines. Brissus obesus was first scientifically described in 1867 by Verrill.Kroh, A. (2010). Brissus obesus (Verrill, 1867). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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