FIGURE 18. A, B in Revision of the family Euryplacidae Stimpson, 1871 (Crustacea: Decapoda: Brachyura: Goneplacoidea)

FIGURE 18. A, B, Euryplax nitida Stimpson, 1859; A, female (USNM 276579), Gulf of Mexico, off Florida, ventral view of carapace; B, female (10.1 mm × 7.1 mm) (LACM), Colombia, Atlantic coast, ventral view of carapace; C, D, Euryplax polita Smith, 1870; male (18.9 mm × 33.8 mm) (LACM), Perú, Tumbes; E, F, Frevillea hirsuta (Borradaile, 1916); E, male lectotype of Goneplax hirsutus Borradaile, 1916 (10.5 mm × 15.2 mm) (NHM 1917.1.29.148–9); F, female paralectotype of Goneplax hirsutus Borradaile, 1916 (12.0 mm × 17.8 mm) (NHM 1917.1.29.148–9). A, ventral view; B, D, female sterno-abdominal cavity; C-F, overall view; D; male sterno-abdominal cavity. Abbreviations: a3 = male abdominal somite 3; G1 = first male pleopod; G2 = second male pleopod; pb = press-button of male abdominallocking mechanism; s4–s8 = thoracic sternites 4 to 8, respectively; v = vulva. Photo credits: B, C, D by J. Martin (LACM); E, F by P. Crabb (NHM).