FIGURE 3. Nereis alacranensis n in Nereis alacranensis, a new species of polychaete (Annelida, Nereididae) from Alacranes Reef, southern Gulf of Mexico, with a key to Nereis from the Grand Caribbean

FIGURE 3. Nereis alacranensis n. sp. (Paratype). (A) Peristomium, ventral view. (B) Close-up of the peristomial ventral plate, on external side of peristomium. Nereis baolingi de León-González & Solís-Weiss, 2000 (Paratype). (C) Homogomph falciger. (D) Anterior end, dorsal view. (E) Anterior end, ventral view. (F) Jaws. Scale: A = 200 µm; B = 20 µm; C = 15 µm; D–E = 1 mm; F = 0.5 mm.