Fam: Diadematidae
Centrostephanus longispinus (Philippi, 1845)
Material: 19 specimens; stations: T7, S6, S7, S8, t3; depth: 25-120 m; substrates: rock cliffs, mud. Distribution: Atlantic–Mediterranean.
Literature records for central and/or north Adriatic: Zavodnik (1997).
Literature records for south Adriatic (Croatia): none.
Literature records for Montenegro: Gamulin-Brida (1983).