Caenagnathids were oviraptorosaur theropods characterized by elongate hind limbs that
are proposed as adaptations for either wading or enhanced cursoriality. A lack of well
preserved pelvic material, however, has thus far prevented reconstruction of both the hind
limb and girdle for verification of these hypotheses. Here we describe an abundance of new
caenagnathid pelvic material from the Dinosaur Park Formation of Alberta, Canada. These
new specimens reveal more of the anatomy of the pelvis and can be tentatively divided into …