Fig. 4 in New species, redescriptions and new records of deep-sea brittle stars (Echinodermata: Ophiuroidea) from the South China Sea, an integrated morphological and molecular approach

Fig. 4. Asteronyx luzonicus Döderlein, 1927 (IDSSE EEB-SW0003). A. Dorsal disc. B. Ventral disc. C. Ventral arm base (start of first arm spine highlighted). D. Oral frame. E. Dorsal arm. F–G. Ventral arm (proximal and distal region). Abbreviations: ars = arm spine; as = adoral shield; cs = calcified scales; gs = genital slit; tp = tentacle pore. Scale bars: A–B = 2 mm; C–E, G = 1 mm; F = 500 µm.