Cassidulus delectus is a species of sea urchin of the family Cassidulidae. Their armour is covered with spines. Cassidulus delectus was first scientifically described in 1960 by Krau.Kroh, A. (2010). Cassidulus delectus (Krau, 1960). In: Kroh, A. & Mooi, R. (2010) World Echinoidea Database. at the World Register of Marine Species.
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