TY - GEN AU - Longrich,Nicholas R AU - Bhullar,Bhart-Anjan S AU - Gauthier,Jacques A TI - Mass extinction of lizards and snakes at the Cretaceous-Paleogene boundary SN - 1091-6490 PY - 2013///0221 KW - Animals KW - Biological Evolution KW - Body Size KW - Extinction, Biological KW - History, Ancient KW - Lizards KW - anatomy & histology KW - North America KW - Paleontology KW - Snakes KW - Time Factors N1 - Publication Type: Historical Article; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1073/pnas.1211526110 ER -