...the First Evidence of the Prehistoric Predator Roaming the State at the End of the Ice Age Between 13,605 and 13,460 Years Ago.The sabertoothed cat (Smilodon) is one of the best-known genera of the machairodont, an extinct subfamily of carnivoran mammals of the family Felidae (true cats). They are popularly referred to as "sabertoothed tigers", although they are not closely related to tigers (Panthera).The genus was named in 1842 based on fossils from Brazil; the generic name means "scalpel" or "two-edged knife" combined with "tooth".Researchers discovered the remarkably well-preserved skull in Page County, southwest Iowa...The skull belonged to a subadult...