The extraordinary osteology and functional morphology of the limbs in Palorchestidae, a family of strange extinct marsupial giants
(A) dorsal; (B) ventral views. Length estimated based on Palorchestes azael radius (Fig 7), left side distal fragment mirrored and scaled to fit. Hatching indicates surface damage to cortical bone, dashed lines indicate inferred bone contours. Abbreviations: cs, carpal surface; ecr, notch for tendon of m. extensor carpi radialis; ioc, interosseous crest; rt, radial tuberosity; sp, styloid process. Scale bar 50 mm.