N. D. L. Clark, P. Aspen, H. Corrance; Chirotherium barthii Kaup 1835 from the Triassic of the Isle of Arran, Scotland. Scottish Journal of Geology ; 38 (2): 83–92. doi: https://doi.org/10.1144/sjg38020083
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The mould of a track from SE Arran, and several in situ trackways and individual tracks, as well as a partial trackway on a loose block of Triassic sandstone, from western Arran, represent the first verifiable fossil tracks of Chirotherium from the Triassic of Scotland and support a Scythian (Lower Triassic) age for the base of the Auchenhew Beds. The grouping of the I-IV toes with toe V behind and lateral to the group is characteristic of Chirotherium-like tracks. A comparison with European and American Triassic trackways suggests that the tracks belong to the species Chirotherium barthii Kaup, 1835, first described from Hildburghausen, Germany.