Caenagnathus collinsi

† Caenagnathus collinsi is the type species of the oviraptorosaurian genus Caenagnathus, from the Late Cretaceous Horseshoe Canyon Formation of Alberta, Canada. Named in honor of collector W.H. Collins, it is known from a lower jaw with distinctive features including a high, compressed beak profile. As a large omnivore, it likely fed on plant material, eggs, and small animals. Its mandibular anatomy has been central to debates over caenagnathid taxonomy and phylogeny.