Figure 6

Leanchoilia superlata Walcott, 1912, great appendage. A, ROM 61888, fairly complete pair of great appendages, each appendage consisting of two peduncle elements and four claw elements, image flipped horizontally; B, ROM 61899, fingers of multi-chela spread out; C, ROM 61900, fingers of multi-chela more closed than in B; D, ROM 61890, fingers of multi-chela closed, arrows mark dark spots, which Bruton and Whittington [7] assumed to be excretory organs; E G, “Malformations” of great appendages; E, ROM 61898, flagella missing, finger bent more than usual (arrow); F, ROM 61878, partly disarticulated great appendage rotated postero-ventrally (arrow); G, ROM 61886, elements broken off (arrows); additional abbreviations: c = claw element; fl = flagellum; p = peduncle element.