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HOLOTYPE: A specimen at the Western Australian Museum, number 51208 from Wyndham, WA Lat: 15° 28' Long:128° 06'

PARATYPE: A specimen at the Western Australian Museum, number 17115 from 8 km south of Wyndham, WA. Lat: 15° 28' Long:128° 07'

DIAGNOSIS: Known only from Kimberley region of WA, this population of Black-headed Pythons appears to be isolated from the population to the south in the Pilbara. It is uncertain as to how much gene flow occurs between this population and that to the east in the adjacent parts of WA and the NT. Aspidites melanocephalus adelynensis like A. m. davieii (see below) is separated from other Black-headed Pythons by usually having one loreal, no suboculars and a single pair of large parietals, while most NT and Queensland Black-headed Pythons have 2-4 loreals, 1-2 suboculars and 2-4 pairs of parietals. A. m. adelynensis is separated from A. m. davieii by distribution, being separated by part of the western flank of the Great Sandy Desert where it meets the WA coast. There are no unusually light specimens of A. m. adelynensis known (as occurs in A. m. davieii). Analysis of the mitochondrial DNA of A. m. adelynensis will further ascertain the differences between this and the other Black-headed Pythons, in particular, how much genetic interaction has occurred between this population and those to the east.

ETYMOLOGY: Named after Adelyn Hoser, the author's daughter.

The above was from the paper - A revision of the Australiasian Pythons.
(Originally published in Ophidia Review 1(1) in "Autumn" 2000 - (Publication date: October 2000), pp. 7-27).

For the text of the full paper

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