Brissopsis similis is a species of sea urchins of the family Brissidae. Their armour is covered with spines. Brissopsis similis was first scientifically described in 1948 by Ole Theodor Jensen Mortensen.Kroh, A. (2010). Brissopsis similis (Mortensen, 1948). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
