Brissopsis evanescens is a species of sea urchins of the family Brissidae. Their armour is covered with spines. Brissopsis evanescens was first scientifically described in 1950 by Ole Theodor Jensen Mortensen.Kroh, A. (2010). Brissopsis evanescens (Ole Theodor Jensen Mortensen, 1950). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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