Taxonomy of the sea stars (Echinodermata: Asteroidea) from Bahia State, including ontogenetic variation and an illustrated key to the Brazilian species

FIGURE 24. Narcissia trigonaria Sladen, 1889. (A) Specimen in situ (not collected; photo credit: Cláudio Sampaio). Specimen (R 75 mm) (UFBA 469): (B) abactinal and (C) actinal view of body; (D) abactinal plates of the base of the arm (plates are abraded) and papular pores; (E) abactinal granules; (F) madreporite; (G) actinal granules; (H) ambulacral furrow (proximal region to the left); and (I) oral region. Scale bars: B–C, 20 mm; D, G–I, 2 mm; E–F, 5 mm.

FIGURE 25. Narcissia trigonaria Sladen, 1889. (A) Specimen in situ (photo credit: Cláudio Sampaio). Specimen (R 16 mm) (UFBA 929): (B) abactinal view; (C) madreporite; (D) arm with superomarginal plates evident; (E) anus; (F) ambulacral furrow; (G) oral region. Scale bars: B, G, 10 mm; C, 4 mm; D, 5 mm; E–F, 2 mm.