Vertebrate Paleontology in New Mexico. New Mexico Museum of Natural History and Science, Bulletin 2, 1993 QUATERNARY VERTEBRATES OF NEW MEXICO

mammals. Some 22 taxa are from the vicinity of the Blancan/Irvingtonian transition, 12 most likely are Irvingtonian, and 4 are possibly Illinoian in age. Although many sites are undated with precision, most remaining sites probably are Wisconsinan, with well over 300 taxa. 17