From The Collaborative International Dictionary of English v.0.48 :
Panthera \Panthera\ prop. n. The genus of large felines including the lions; leopards; snow leopards; jaguars; tigers; cheetahs; and saber-toothed tigers. Syn: genus Panthera. [WordNet 1.5]From WordNet (r) 3.0 (2006) :
Panthera n 1: lions; leopards; snow leopards; jaguars; tigers; cheetahs; saber-toothed tigers [syn: Panthera, genus Panthera]