Fig. 20 in A new genus and three new species of mangrove slugs from the Indo-West Pacific (Mollusca: Gastropoda: Euthyneura: Onchidiidae)

Fig. 20. Paromoionchis tumidus (Semper, 1880) comb. nov. unit #3, spine of accessory penial gland, Papua New Guinea, Madang. A. [5432] (MNHN IM-2013-10478). B. [5433] (MNHN IM-2013-10479). C. Distal tip of spine, same as A. Scales: A = 100 μm; B = 20 μm; C = 10 μm.