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[4] [5] The Yinpterochiroptera is a proposed suborder of the Chiroptera based on molecular evidence consisting of the fruit bats and five other microbat families: Rhinopomatidae, Rhinolophidae, Hipposideridae, Craseonycteridae, and Megadermatidae. This model also challenges the view that the Megachiroptera and Microchiroptera are monophyletic.
The most complete dental formula is: I2/2, C 1/1, P3/3, M2/3 x 2 = 34. [50] The dental formula of 34 teeth is a homologous trait for megabats. [51] The total number of teeth varies among megabat species, and can range from 24 to 34. For example, some species of megabats have only 2 molars on either side of the lower jaw instead of 3.
The large flying fox has the longest forearm length and reported wingspan of any bat species, [3] but some bat species exceed it in weight. Its wingspan is up to 1.5 m (4 ft 11 in), and it can weigh up to 1.1 kg (2 + 1 ⁄ 2 lb). [12] The Indian and great flying foxes are heavier, at 1.6 and 1.45 kg (3 + 1 ⁄ 2 and 3 + 1 ⁄ 4 lb), respectively.
It is among the heaviest of all bat species, with individuals weighing up to 1.40 kg (3.1 lb). The only bat species known to weigh more than the giant golden-crowned flying fox are the Indian flying fox ( Pteropus medius ) and great flying fox ( Pteropus neohibernicus ), with a maximum weight of 1.6 kg (3.5 lb) and 1.45 kg (3.2 lb) respectively.
The grey-headed flying fox is the largest bat in Australia, with the adult wingspan reaching up to 1 m (3 ft 3 in) in length and weighing up to 1 kg (2.2 lb). [6] Weight generally varies between 600 and 1,000 g (21 and 35 oz), with an average of 700 g (25 oz). The combined length of the head and body is from 230 to 290 mm.
[2] Acerodon celebensis Cynopterus brachyotis Epomophorus wahlbergi Epomophorus Hypsignathus monstrosus Nyctimene robinsoni Pteropus livingstonii Rousettus egypticus. Subfamily Cynopterinae [3] [4] [5] Genus Aethalops. Pygmy fruit bat (Aethalops alecto) Borneo fruit bat (Aethalops aequalis) Genus Alionycteris. Mindanao pygmy fruit bat ...
The term Yinpterochiroptera is constructed from the words Pteropodidae (the family of megabats) and Yinochiroptera (a term proposed in 1984 by Karl F. Koopman to refer to certain families of microbats [2]). Recent studies using transcriptome data have found strong support for the Yinpterochiroptera-Yangochiroptera classification system. [3]
This was followed up by a longer study published in 1989, [3] in which this was supported by the analysis of many other brain and body characteristics. Pettigrew suggested that flying foxes, colugos , and primates were all descendants of the same group of early arboreal mammals.