Some birds possess an extensive rictus, creating a visual appearance that is akin to the mammalian cheek, though unaccompanied by buccinator-type musculature. What purpose does a large rictus serve, if it is not a cheek? Only parrots and Didunculus possess cheeks, on which grounds some authorities, formerly regarded Didunculus transitional

#rictus #birds #cheek #buccinators #ornithischians #oviraptorosaurs

#paleontology #dinosaurs #oviraptorosaurs An article published in the journal "PLOS ONE" reports the discovery of a new species of feathered dinosaur that belongs to the group of oviraptorosaurs that lived between 80 and 70 million years ago in the Late Cretaceous period in today's Mongolia. https://english.netmassimo.com/2019/02/09/gobiraptor-minutus-was-a-feathered-dinosaur-that-lived-in-todays-mongolia/