FIGURE 2 in Three new species of shell-boring Dipolydora (Annelida: Spionidae: Polydorini) from the South China Sea and the Gulf of Thailand, Vietnam, with comments on the modified spines in posterior notopodia and sperm morphology in polydorins

FIGURE 2. Morphology of Dipolydora echinata sp. nov. A, anterior end, dorsal view. B–H, chaetiger 5 chaetae: B, D, bilimbate companion chaetae; C, E, F, falcate spines in lateral view (C, F) and in rear view (E); G, ventral capillary chaeta; H, dorsal superior geniculate capillary chaeta. I, J, neurochaetae from chaetiger 7: I, inferior winged capillary chaeta; J, bidentate hooded hook. K, L, neurochaetae from a posterior most chaetiger: K, inferior hair-like capillary chaeta; L, bidentate hooded hook. M–O, notochaetae from a posterior most chaetiger: M, partially developed awl-like spine with basal part blunt; N, fully developed awl-like spine with basal part pointed; O, capillary chaeta. P, tetrad of spermatids. Scale bars: A = 100 µm; B–O = 20 µm; P = 5 µm. A–P—MIMB 42701.