With their unpigmented thumb pads, and outwardly-displaced second upper incisor, bats of the vespertilionid genus Glischropus are fairly distinctive. Two species have long been recognized, the widespread G. tylopus, and G. javanus known only from Java. However, in a recent issue of Zootaxa, Gabor Csorba from the Hungarian Natural History Museum, describes a third species based on specimens recently collected from Cambodia.
Glischropus bucephalus is significantly larger than G. tylopus with a more elevated frontal region of the skull and a weak, but present sagittal crest. Examination of specimens from other countries suggests a geographic division, with G. tylopus occuring south of the Isthmus of Kra and G. bucephalus to the north.
Csorba, G. (2011). A new species of Glischropus from the Indochinese Subregion (Mammalia: Chiroptera: Vespertilionidae). Zootaxa 2925: 41-48.
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