1) Extraterrestrial superhero 2) Genus panthera 3) Mammal genus 
Latin, meaning: leopard, panther 
Panthera is a genus within the Felidae family that was named and first described by the German naturalist Oken in 1816. The British taxonomist Pocock revised the classification of this genus in 1916 as comprising the species tiger, lion, jaguar and leopard on the basis of cranial features. Results of genetic analysis indicate that the snow leopard...
(from the article `feline`) Cats are noted for purring when content and for snarling, howling, or spitting when in conflict with another of their kind. The so-called `big cats` ...
[n] - lions
genus Panthera noun lions; leopards; snow leopards; jaguars; tigers; cheetahs; saber-toothed tigers