FIGURE 1. Polydora cornuta adult morphology. A in On adult and larval morphology of Polydora cornuta Bosc, 1802 (Annelida: Spionidae)

FIGURE 1. Polydora cornuta adult morphology. A, anterior end, dorsal view, showing palp scars (pa), ciliary bands of nuchal organs (no), nototrochs (nt) on chaetigers 3 and 4, and large lateral organs (lo) on chaetiger 1. B, same, left lateral view, showing occipital antenna (oa) on the caruncle. C, chaetigers 4 – 6, left lateral view, showing enlarged chaetiger 5 with modified notochaetae (mn) arranged in an oblique double row. D, chaetigers 5 – 7, left lateral view, showing lateral organs (lo) on chaetigers 6 and 7, hooded hooks (hh) and external part of secretory cells of glandular pouches (gp) on chaetiger 7, well developed parapodial lobes (lb) and postchaetal lamellae (pl). E – G, chaetiger 5 companion chaetae with dishevelled, feathery distal tip (fc) and compact, broom­like distal tip (bc), and heavy falcate spines (fs) with lateral tooth (lt) and subterminal flange (sf). E, left ventral view. F, right dorsal view. G, right ventral view