Fig. 31 in A Review Of Dromaeosaurid Systematics And Paravian Phylogeny

Fig. 31. Select material of Balaur bondoc exhibiting diagnostic features for the taxon. A, posterior dorsal vertebrae showing the dromaeosaurid trait of a stalked parapophysis and extensive vertebral pneumaticity; B, left lower leg exhibiting the derived states of a fused tibiotarsus, a fused proximal metatarsals, and a digit I modified for hyperextension.