Large flying fox fox was one of the many mammal species originally described by Linnaeus in the landmark 1758 10th edition of his "Systema Naturae", receiving the name "Vespertilio vampyrus". The large flying fox is among the largest species of bat. It weighs and has a wingspan of up to . Its head-body length is . As with all megabats, it has a fox-like face, hence its name. It lacks a tail and has pointed ears. The hairs on much of its body are long and woolly, but are shorter and more erect on the upper back. The mantle hairs tend to be
Indian flying fox a new name for a species that had already been described—"Vespertilio vampyrus" which is now "Pteropus vampyrus" (the large flying fox). Mlíkovský made several points in his argument, all with a foundation in the nomenclature rule known as Principle of Priority. The Principle of Priority posits that the first formal, published scientific name given to a species shall be the name that is used. Because Brünnich was attempting to rename the large flying fox in his 1782 publication, his name should not apply to either the large or the Indian flying fox—an older name was in existence, and therefore the