FIG. 2 in A new species of Sagitta (Chaetognatha) from a Laccadive lagoon (Indian Ocean) having fan-shaped anterior teeth: phylogenetical implications

FIG. 2. Schematic representation of Sagitta nairi n. sp. in dorsal view. af, anterior ®ns; c, collarette; id, intestinal diverticula; o, ovaries; pf, posterior ®ns; sv, seminal vesicles; tf, tail ®n; vg, ventral ganglion.