Fig. 4 in Romanogobio persus

Fig. 4. Ptychognathus stimpsoni sp. nov., holotype (male, CW 7.9 mm; NCHUZOOL 16501). A, carapace; B, left infraorbital ridge; C, left third maxilliped; D, left carpus of cheliped (dorsal view); E, outer view of left cheliped; F, pleon; G, left third ambulatory leg; H, left forth ambulatory leg; I–N, right G1; I, J, dorsal view; K, L, lateral view; M, N, ventral view).