FIGURE 8. Amphiura kinbergi ZUEC OPH 2274 in Shallow-water brittle stars (Echinodermata: Ophiuroidea) from Araçá Bay (Southeastern Brazil), with spatial distribution considerations

FIGURE 8. Amphiura kinbergi ZUEC OPH 2274 (3.5 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; as: arm spine; bs: bursal slits; bsc: buccal scale; d: dorsal; dap: dorsal arm plate; ddi: dorsodistal; ddmf: dorso-distal muscular fossae; di: distal; dk: distal keel; dp: dorso-proximal; ip: infradental papillae; lop: lateral oral papillae; ma: madreporite; mp: madreporite pore; os: oral shields; p: proximal; pe: perforation; rs: radial shields; shs: spine hatched-shaped; sis: small and imbricating scales; 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.