Hedrick, Brandon P2023-05-232015-02-212013-01-012015-02-21https://repository.upenn.edu/handle/20.500.14332/49024A 3D surface scan of the holotype of Psittacosaurus lujiatunensis (ZMNH M8137).embedly.objhttp://creativecommons.org/licenses/by-nc/4.0/Animal StructuresPaleobiologyPaleontologyOther