Panopeus austrobesus Williams, 1983

Oliveira-Rogeri, Lucas, França, Nielson Felix Caetano, Peres, Pedro Augusto & Mantelatto, Fernando L., 2023, Cleaning the mud: Integrative approach clarifies the taxonomy of mud crabs of the genus Panopeus H. Milne Edwards, 1834 (Decapoda: Brachyura: Panopeidae) along the Southwestern Atlantic, Zoologischer Anzeiger 307, pp. 96-124 : 102

3.2. Panopeus austrobesus Williams, 1983

( Fig. 1B , 5 A-O)

Panoepus austrobesus Williams, 1983: 865 , Fig. 1 ; Melo, 1996: 370; Bertini et al., 2004: 2201; Melo, 2008: 11; Ng et al., 2008: 190; Vieira and Calazans, 2010: 433; Marochi and Masunari, 2011: 25; Alves et al., 2012: 945; Thoma et al., 2014: 96; Mantelatto et al., 2020: 74, Fig. 20F.

Figures

Fig. 1. Genus Panopeus H. Milne Edwards, 1834. (A) Panopeus americanus Saussure, 1857 (CCDB 2227; CW = 17.8 mm), Rio de Janeiro, Brazil. (B) Panopeus austrobesus Williams, 1983 (CCDB 2240; CW = 13.4 mm), Espírito Santo, Brazil. (C) Panopeus harttii Smith, 1869 (CCDB 2347; CW = 16.1 mm), Cear´a, Brazil. (D) Panopeus lacustris Desbonne in Desbonne & Schramm, 1867 (CCDB 3554; CW =15.3 mm), Bocas del Toro, Panama. (E) Panopeus meridionalis Williams, 1983 (CCDB 6678; CW = 28.5 mm), Maldonado, Uruguay. (F) Panopeus occidentalis Saussure, 1857 (CCDB 2337; CW = 17.8 mm), Cear´a, Brazil. (G) Panopeus rugosus A. Milne-Edwards, 1880 (CCDB 6411; CW = 49.3 mm), S˜ao Paulo, Brazil. Scale bars (mm): A = 8.9; B = 6.7; C = 8; D = 7.6; E = 14.2; F = 4.5; G = 24.6.

Fig. 5. Panopeus austrobesus Williams, 1983. A, F, I =holotype male (USNM 59462), Paran´a, Brazil; D, G, J =female (CCDB 2240; CW =13.4 mm), Espírito Santo, Brazil; B, C, E, K, M O = male (CCDB 2599; CW =23.6 mm), Bahia, Brazil; H = male (CCDB 5858; CW =26.9 mm), Pernambuco, Brazil; L =female (CCDB 2599; CW = 26.3 mm); Bahia, Brazil. (A) General dorsal view of Panopeus austrobesus holotype. (B, I) Carapace, frontal view. (C) Anterolateral margin of the carapace, dorsal view. (D) Carapace, dorsal view. (E, F) G1 apex, mesial lateral view (coloured images were generated on a stereomicroscope; grayscale image was produced on a CT-scan equipment). (G) Cheliped, outer view. (H) Third maxilliped, view of the inner surface. (J) Front, dorsal view. (K) Fourth pereopod, lateral view. (L) Right vulva. (M) Sternites 3 and 4, ventral view. (N) Sixth pleonite, view of the inner surface. (O) Sixth pleonite, view of the external surface. White arrows indicate the pigmented spot on the third maxilliped. Scale bars (mm): B = 8; C, M = 6; D = 5; E = 0.25; G, J, K = 3.5; H, N, O = 3; L = 1.