Fig. 1

Adult males of Heteromysis (Heteromysis) microps (G.O. Sars, 1877) from Arcachon Bay (Arcachon Marine Station collection: A: male, BL = 7.89 mm; B-D: male, BL = 7.52 mm). a lateral view. SP1: first sternal process; SP6: sixth sternal process; GA: genital appendage; b right thoracopod 3 endopod, inner view; c telson, ventral view; d right uropod, ventral view. Scale bars: 0.5 mm