FIGURE 3. Ophioderma januarii ZUEC OPH 2202 in Shallow-water brittle stars (Echinodermata: Ophiuroidea) from Araçá Bay (Southeastern Brazil), with spatial distribution considerations

FIGURE 3. Ophioderma januarii ZUEC OPH 2202 (7.9 mm dd). (A) Dorsal view. (B) Ventral view. (C) Detail of the oral view. (D) Detail of dorsal arm. (E) Detail of ventral arm. (F) Dorsal arm plate. (G) Ventral arm plate. (H-I) Lateral arm plate. (J) Vertebra—proximal surface. (K) Vertebra—distal surface. (L) Vertebra—dorsal surface. (M) Vertebra—ventral surface. Abbreviations: ads: adoral shields; ap: apical papilla; as: arm spine; bs: bursal slits; d: dorsal; dap: dorsal arm plate; ddi: dorsodistal; ddmf: dorso-distal muscular fossae; di: distal; dp: dorso-proximal; gr: granules; lap: lateral arm plate; lop: lateral oral papilla; no: notch; os: oral shields; p: proximal; pe: perforation; ri: ridge; sf: sigmoidal fold; sp: spurs; tn: tentacle notch; ts: tentacle scale; v: ventral; vap: ventral arm plate; vdi: ventro-distal; vp: ventro-proximal; zd: zygocondyle; zp: zygosphene. Stereomicroscope photos: (A)–(E), scale bar equal to 0.5 mm. SEM photos: (F)–(M), scale bar equal to 100 µm.