The Publication Date of Psittacosaurus osborni and Psittacosaurus tingi.
Skye McDavid - May 11, 2022
Almost all sources misstate the publication date of the dubious Pisttacosur species Psittacosaurus osborni and Psittacosaurus tingi. In fact, the only place I found other than the original publication that has the correct date is my own post on psittacosaurid taxonomy.
The correct authorship and date for Psittacosaurus osborni is Young 1932.
The correct authorship and date for Psittacosaurus tingi is Young 1932.
Both academic (e.g. The Dinosauria) and non-academic sources (eg. Wikipedia) list it as 1931.
These species are either dubious or synonyms of Psittacosaurus mongoliensis but they should still have their publication dates listed correctly.
Sereno, P. (1990a). “New data on parrot-beaked dinosaurs (Psittacosaurus).” In Carpenter, K. & Currie, P. (ed.) Dinosaur Systematics: Approaches and Perspectives. Cambridge: Cambridge University Press. (pp. 203-210)
Sereno, P. (1990b). “Psittacosauridae”. In Weishampel, D., Dodson., P., & Osmólska, H. (ed.) The Dinosauria Berkeley: University of California Press. pp. 579-592
Sereno, P. (2010). "Taxonomy, cranial morphology, and relationships of parrot-beaked dinosaurs (Ceratopsia:Psittacosaurus)". In Ryan, M..; Chinnery-Allgeier, B..; Eberth, D. (ed.). New Perspectives on Horned Dinosaurs: The Royal Tyrrell Museum Ceratopsian Symposium. Bloomington and Indianapolis: Indiana University Press. pp. 21–58.
You, H. & Dodson, P. (2004) “Basal Ceratopsia”. In Weishampel, D., Dodson, P., & Osmólska, H. (ed.) The Dinosauria Second Edition Berkeley: University of California Press. pp. 478-493
Young, C. C. (1932) On Some New Dinosaurs from Western Suiyuan, Inner Mongolia. Bulletin of the Geological Society of China, 11(3), pp. 259–266. doi:10.1111/j.1755-6724.1932.mp11003005.x