Order Chiroptera - Family Pteropodidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 313 350 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Eidolon Rafinesque 1815 Eidolon Rafinesque 1815 , Analyse de la Nature: 54 . Type Species: Vespertilio helvus Kerr 1792 Synonyms: Leiponyx Jentink 1881 ; Liponyx Forbes 1882 ; Pterocyon Peters 1861 . Species and subspecies: 2 species with 3 subspecies: Species Eidolon dupreanum Pollen In Schlegel and Pollen 1866 Species Eidolon helvum ( Kerr 1792 ) Subspecies Eidolon helvum subsp. helvum Kerr 1792 Subspecies Eidolon helvum subsp. annobonensis Juste, Ibß±ez, and Machordom 2000 Subspecies Eidolon helvum subsp. sabaeum K. Andersen 1907 Discussion: Revised by Bergmans (1990) .