FIGURE 3 in On adult and larval morphology of Polydora cornuta Bosc, 1802 (Annelida: Spionidae)

FIGURE 3. Polydora cornuta larval development, Paranaguá Bay, Brazil. A, a fragment of egg capsule string. B, a 3 ­ chaetiger larva just hatched from egg capsule, dorsal view. C, same, ventral view. D, E, chaetigers 3 (D) and 16 (E) of a 22 ­ chaetiger larva, dorsal view, showing large glandular cells and vesiculate melanophores on the posterior edge of chaetigers. F, a 22 ­ chaetiger pelagic larva ready for settlement and metamorphosis, dorsal view, showing pattern of distribution of melanophores on chaetigers. G, same, ventral view, showing pattern of distribution of yellow chromatophores on chaetigers