FIGURE 1. A–D in A new species of Robertsella Guinot, 1969 (Crustacea: Brachyura: Panopeidae) from the southwestern Atlantic

FIGURE 1. A–D, Robertsella meridionalis sp. n., male holotype cl 22 mm, cw 30 mm (MZUSP 21772). E–H, Robertsella mystica Guinot, 1969, male cl 18 mm, cw 23 mm (USNM 170418). A, E, frontal view of cephalothorax. B, F, dorsal view of carapace. C, G, anteroventral view of cephalothorax. D, H, posteroventral view of cephalothorax. Note abdominal suture 5/6 located well above thoracic sternal suture 6/7 in D and sutures aligned to each other in H (arrows). Also note cheliped ischial ridge coarsely tuberculate in C (arrow). Ab3, third abdominal somite. CxP5, coxa of fifth pereiopod. St6-8, thoracic sternites 6 to 8. Scale bars 5 mm.