FIGURE 11. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)

FIGURE 11. Ophiozonella cavernalis n. sp. a paratype (RUMF-ZE-02009). SEM images of ossicles. A–E, vertebrae, from proximal portion of arms, proximal view (A), distal view (B), aboral view (C) and oral view (D), a square enlarged from D (E); F–H, vertebrae, from distal portion of arms, proximal view (F), distal view (G) and oral view (H); I–K, arm spines, from proximal portion of arms (I), distal portion of arms, inner (J) and outer (K) spines. Orientations: ab, aboral side; dis, distal side; o, oral side; pro, proximal. Abbreviations: AF, aboral muscle flange; D, depression for tentacle; OF, oral muscle flange; RWC, radial water canal; ST, secondary tooth.