FIGURE 2. Allacanthos yawi n in A new species of freshwater crab of the genus Allacanthos Smalley, 1964 (Crustacea, Decapoda, Pseudothelphusidae) from southern Costa Rica, Central America

FIGURE 2. Allacanthos yawi n. sp., holotype male, UCR-MZ 2774-01. A, left male first gonopod, whole limb, mesial view; B, idem, whole limb, laterocephalic view; C, idem, distal part, mesioapical view; D, idem, distal part, lateral view; E, left third maxilliped; F, left efferent branchial channel. Abbreviations: ap = field of apical spines; cl = cephalic lobe; cp = central papilla; lb = lateral lobe; ls = lateral suture; mas = marginal setae; mes = mesial setae; mp = marginal process; ms = marginal suture; plb = proximal lobe; sfs = subdistal field of spines. Scale bars = 1 mm.