Fig. 10 in Morphology of larval and postlarval stages of Priapulopsis bicaudatus (Danielssen, 1869) (Priapulida) from the north atlantic ocean

Fig. 10. Postlarval stages: Anterior scalid region. A. Young specimen 6-1 of V13493. Scalids of the frontal ring (ring 0) are directed anteriorly. One smaller tooth (encircled) is not in line with the others. Arrows point at primary scalids. Note one longitudinal row of scalids following each ring 2 scalid (ring 2) and two rows following each primary scalid. B. Older specimen 9-4 of V13493 with ring 0 scalids, several smaller scalids anterior of this ring (encircled), primary scalids (ps), ring 2 scalids (ring 2) and scalid rows.