FIGURE 2 in A new bathyal ophiacanthid brittle star (Ophiuroidea: Ophiacanthidae) with Caribbean affinities from the Plio-Pleistocene of the Mediterranean

FIGURE 2. Ophiacantha oceani sp. nov. (A–F) from the Piacenzian to Gelasian, latest Pliocene to earliest Pleistocene (approximately 2.6 mya) of Punta Mazza, Capo Milazzo, NE Sicily, Italy, A–B: MnhnL OPH074, holotype, proximal lateral arm plate in external (A) and internal (B) views; C–D: MnhnL OPH075, paratype, proximal lateral arm plate in external (C) and internal (D) views; E–F: MnhnL OPH076, paratype, distal lateral arm plate in external (E) and internal (F) views. Recent Ophiacantha stellata (G–J) from the tropical NW-Atlantic as closest living relative of Ophiacantha oceani sp. nov., G: complete skeleton in ventral view; H: detail of arm in lateral view; I–J: lateral arm plate in external (I) and internal (J) views. Abbreviations: ckv: central knob of the vertebral articular structures; di: distal; do: dorsal; pr: proximal; prv: proximal ridge of the vertebral articular structures; sa: spine articulation; sp: spur; ve: ventral.