FIGURE 2. Ptychognathus glaber Stimpson, 1858 in Redescription of the brackish water crab Ptychognathus glaber Stimpson, 1858 based on the topotypic material from the Ogasawara Islands and new record of P. lipkei N.K. Ng, 2010 from Japan (Decapoda: Brachyura: Varunidae)

FIGURE 2. Ptychognathus glaber Stimpson, 1858, male (12.6×16.2 mm), Chichi-jima Island, Ogasawara Islands, CBM-ZC 16568. A, Carapace with eyes and right antenna, dorsal view (setae on left side of dorsal surface omitted); B, front, antennules and left antenna, anterior view; C, left inferior orbital margin, ventral view; D, thoracic sternites 1–4, ventral view; E, left maxilliped 3, outer view; pleon, outer view.