Temporal range: Middle Campanian to late Maastrichtian
Gao & Fox 1991
Gao & Fox 1991
Socognathus is a genus of prehistoric chamopsiid polyglyphanodontian lizards containing species that lived from the Middle Campanian stage to the late Maastrichtian. Several specimens of the type species, Socognathus unicuspis, have been found in Alberta, Canada. A second species, Socognathus brachyodon is known from the late Maastrichtian Lance Formation; its fossils have been found in Wyoming, United States.
- Nicholas R. Longrich, Bhart-Anjan S. Bhullar and Jacques A. Gauthier (2012). "Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary". Proceedings of the National Academy of Sciences of the United States of America 109 (52): 21396–21401. doi:10.1073/pnas.1211526110. PMC 3535637. PMID 23236177.
- Peng, J., A.P. Russell, & D.B. Brinkman (2001). "Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide". Provincial Museum of Alberta, Natural History Occasional Paper 25: 1–546.
- Wood, D. (Jul 2010). "New species named: Kleskunsaurus grandeprairiensis". Daily Herald-Tribune. Retrieved 27 Oct 2010.
- Nicholas R. Longrich, Bhart-Anjan S. Bhullar and Jacques A. Gauthier (2013). "Correction for "Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary," by Nicholas R. Longrich, Bhart-Anjan S. Bhullar, and Jacques A. Gauthier, which appeared in issue 52, December 26, 2012, of Proc Natl Acad Sci USA (109:21396–21401; first published December 10, 2012; 10.1073/pnas.1211526110)". Proceedings of the National Academy of Sciences of the United States of America 110 (16): 6608. doi:10.1073/pnas.1303907110.
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