Panthera Zdenskyi – recreation by Velizar Simeonovski Published May 31, 2012 at 383 × 580 in Sumatran Tiger (Malosi) ^ A tiger like skull unearthed from 2.5 million year old rock, oldest known complete specimen related to modern big cats, closest to tigers. Simeonovski, Velizar. Panthera zdanskyi. 2009. nationalgeographic.com. May 11 2012