dc:title"Description of two species of the genus Astrodia Verrill, 1899 (Ophiuroidea, Euryalida, Asteronychidae), including a new species from seamounts in the West Pacific";
dc:description"Figure 2. In situ and on-board photos of Astrodia duospina sp. nov. A photo in situ (RSIO 61068: the individual below, RSIO 61069: the individual above, attached to an unidentified sea pen species) B photo on board (RSIO 61068: the individual on the left, RSIO 61069: the individual on the right) C, D photos on board (RSIO 31004), aboral side (C), oral side (D). Scale bars: 10 mm (B); 20 mm (C, D).";
dc:description"Figure 3. Morphological characters of Astrodia duospina sp. nov. (holotype: RSIO 61068) A aboral view of the disc B periphery of the aboral disc C oral view of the disc D genital silts E aboral view of the arms F arms spines. Abbreviations: RS radial shield; PO plate-shaped ossicle; M madreporite; T teeth; OT oral tentacle; GS genital slit; G gonad; LAP lateral arm plate; AS arm spine. Scale bars: 2 mm (A, C, E); 1 mm (B, D); 0.5 mm (F).";
dc:description"Figure 4. Vertebrae in basal arm of Astrodia duospina sp. nov. (holotype: RSIO 61068) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 200 μm (A-F).";
dc:description"Figure 5. Vertebrae in distal arm of Astrodia duospina sp. nov. (holotype: RSIO 61068) A proximal view B distal view C oral view D aboral view E, F lateral view. Abbreviations: PB podial basin; LF lateral furrow. Scale bars: 100 μm (A-F).";
dc:description"Figure 6. Lateral arm plates and arm spines of Astrodia duospina sp. nov. (holotype: RSIO 61068) A, B lateral arm plates from proximal arm, outer view (A), inner view (B) C, D lateral arm plates from distal arm, outer view (C), inner view (D) E, F arm spines from proximal (E) and distal arm (F). Abbreviations: MO muscle opening; NO nerve opening; R ridge. Scale bars: 200 μm (E); 100 μm (F); 90 μm (A, B); 60 μm (C, D).";
dc:description"Figure 7. Morphological characters of paratypes of Astrodia duospina sp. nov. A arm spines of RSIO 31004 B arm spines of RSIO 61069 C-E pictures of RSIO 59012, oral disc (C), aboral disc (D), arm and arm spines (E) F aboral disc of RSIO 31004. These specimens have exceptionally three arm spines for an arm segment (shown by an arc in A and B). Abbreviations: AS arm spine; T teeth; PO plate-shaped ossicle; GS genital slit; G gonad; RS radial shield. Scale bars: 2 mm (F); 1 mm (C, E); 0.5 mm (A, B, D).";