Fig. 4

Hind limbs of Microraptor specimen STM 6–86 preserve excellent feathering, including tibial and femoral feathers and metatarsal remiges of the wing tip. Photo under white light (A) under LSF (B) and a reconstructed anatomical line drawing (C). D, right digits; F, left femur; Mt, right metatarsus; T, left tibiotarsus. The specimen preserves the best leg feathers overall with especially well-preserved tibial and femoral feathers and the tips of a few metatarsal remiges. Scale bar is 50 mm