Fig. 15 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera

Fig. 15. Pair of dorsal arms of Sepiola pfefferi Grimpe, 1921; the hectocotylus is on the right-hand side. The letters V indicate the ventral modified pedicels of the copulatory apparatus merging with the muscular ridge (square bracket) arising from the lateral side of basal part (after Goud & de Heij 2012, modified).