Carapace, excluding rostrum, 1.3 times longer than broad, dorsal surface smooth. Front margin slightly oblique, with small tooth near rostrum; anterolateral angle rounded. Rostrum broadly triangular, horizontal, slightly concave dorsally, lateral borders granulated, with long uniramous setae; ventral side slightly carinated. Insertion of fifth pereopod not visible and situated below sternal plastron. Eyes strongly reduced, membranous remains, without pigment. Antennal scale absent. Antennal peduncle without scaphocerite. Flagellum as long as carapace without rostrum. Chelipeds and walking legs with dense mat of setae. Telson as wide as long, median transverse suture separating anterior and posterior portions. Chelipeds and walking legs with numerous rows of spines, each spine with yellow corneal tip and tuft of long and dense plumose setae, only absent in cheliped fingers, setae denser and longer in mesial and ventral sides than in lateral and dorsal sides. Chelipeds nearly symmetric, slightly more than twice as long as carapace including rostrum. Fingers somewhat triangular, without setae, having numerous spines decreasing in size distally, distal areas of fingers unarmed; slightly gapping, and distally spoon-shaped; movable finger with proximal large denticulate tooth followed by cutting margin bordered with smooth, low, corneous scales, ending in acute corneous point; fixed finger with some proximal small teeth, followed by cutting edge similar to movable finger and ending in acute corneous point, additional row of mesial granules ending in acute corneous point; fingers distally crossing, corneous tip of movable finger crossing between two corneous tips of fixed finger. Paired pleopods present. Setae: the pereopods, and in particular the chelipeds, are densely covered with flexible setae (ca. 15 mm) having clusters of filamentous bacteria, mainly at distal part. Other rigid chitinous setae (ca. 13 mm) are barbed in the distal part, ending in a rigid spine, and they are regularly inserted in pairs mainly on the merus of the chelipeds. They are deprived of bacteria.
- MACPHERSON E., JONES W.J. & M. SEGONZAC (2005) Zoosystema 27(4): 709-723.
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