Steve Rowland, paleontologist and professor of geology at UNLV, holds a fossilized jaw next to …

Steve Rowland, paleontologist and professor of geology at UNLV, holds a fossilized jaw next to ...

Steve Rowland, paleontologist and professor of geology at UNLV, holds a fossilized jaw next to a muskox taxidermy to show the fit, at the Las Vegas Natural History Museum in Las Vegas on Thursday, Aug. 13, 2020. The fossilized jaw was recently extracted from Carson City. (Elizabeth Brumley/Las Vegas Review-Journal)