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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Ordo: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Ordo: Chiroptera
Subordo: Yinpterochiroptera

Familia: Pteropodidae
Subfamilia: Cynopterinae
Tribus: Balionycterini
Genus: Aethalops
Species: A. aequalis - A. alecto

Aethalops Thomas, 1923

Type Species: Aethalodes alecto Thomas, 1923

Aethalodes Thomas, 1923


Thomas, 1923. Proceedings of the Zoological Society of London, 1923: 178.

Vernacular names
English: Fruit Bat.

Aethalops (Meaning: sooty bat) is a genus of megabats in the family Pteropodidae. It contains two species:[1]

Borneo fruit bat, A. aequalis
Pygmy fruit bat, A. alecto


Aethalops was described as a new genus in 1923 by British mammalogist Oldfield Thomas.[2] Thomas named the genus Aethalodes, though that name was already in use for a genus of beetle. Thomas then suggested the name Aethalops in a subsequent publication to remedy the problem.[3] The type species for the genus was the pygmy fruit bat, Aethalops alecto, which had been collected in Sumatra by Lambertus Johannes Toxopeus.[2]

In 1938, the genus gained its second species, the Borneo fruit bat, A. aequalis. This species was described by American zoologist Glover Morrill Allen. The holotype was collected in 1937 in Mount Kinabalu, Malaysia, which is on the island of Borneo. It was collected by J. Augustus Griswold, Jr. while on the Harvard Primate Expedition led by Harold Jefferson Coolidge Jr.[3]

The genus has been revised over the years, with some authors considering it monotypic, or only containing one species. The Borneo fruit bat has, at times, been considered a synonym of the pygmy fruit bat.[4] As of 2019, the prevailing consensus is that the genus does, in fact, contain two species.[5]

The two Aethalops species are among the smallest megabats. Individuals weigh approximately 19.3 g (0.68 oz) and have a head and body length of 65–73 mm (2.6–2.9 in). Individuals lack an external tail. Aethalops species' fur color is black or dark gray, and they has small ears.[4]

As of 2016, both species have an IUCN status of least concern.[6][7]

Wilson, D.E.; Reeder, D.M., eds. (2005). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.
Thomas, Oldfield (1923). "XXVII.—On some small mammals, chiefly bats, from the East Indian Archipelago". Annals and Magazine of Natural History. 11 (62): 250–255. doi:10.1080/00222932308632849.
Allen, G. M. (1938). "A New Pygmy Fruit Bat from Borneo". Journal of Mammalogy. 19 (4): 496–498. doi:10.2307/1374243. JSTOR 1374243.
Nowak, Ronald M.; Pillsbury Walker, Ernest (1999). Walker's Mammals of the World. Volume 1. JHU Press. p. 291. ISBN 9780801857898.
"Aethalops". ASM Mammal Diversity. Retrieved 17 April 2019.
Jayaraj, J.V.K.; Struebig, M.; Tingga, R.C.T. (2016). "Aethalops aequalis". IUCN Red List of Threatened Species. 2016: e.T136541A21977630. doi:10.2305/IUCN.UK.2016-2.RLTS.T136541A21977630.en.
Jayaraj, V.K.; Tingga, R.C.T.; Struebig, M. (2016). "Aethalops alecto". IUCN Red List of Threatened Species. 2016: e.T565A22028716. doi:10.2305/IUCN.UK.2016-2.RLTS.T565A22028716.en.

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