Geranopterus (named by French mammalologist, ornithologist and carcinologist Alphonse Milne-Edwards) was member of the Eocoraciidae family of the Coraciiformes order.
Alphonse Milne-Edwards (Paris, 13 October 1835  Paris, 21 April 1900) was a French mammalologist, ornithologist and carcinologist. Geranopterus
Milne-Edwards, 1892 Eocoraciidae Family: Coraciiformes Order: 
