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Thunder lizard handstands: Manus-only sauropod trackways from the Glen Rose Formation (Lower Cretaceous, Kendall County, Texas)

Farlow, JO, Bakker, RT, Dattilo, BF, Deschner, EE, Falkingham, PL, Harter, C, Solis, R, Temple, D and Ward, W (2019) Thunder lizard handstands: Manus-only sauropod trackways from the Glen Rose Formation (Lower Cretaceous, Kendall County, Texas). Ichnos. ISSN 1042-0940

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Three parallel, manus-only sauropod trackways from the Coffee Hollow A-Male tracksite (Glen Rose Formation, Kendall County, Texas) were studied separately by researchers from the Heritage Museum of the Texas Hill Country and the Houston Museum of Natural Sciences. Footprint and trackway measurements generally show good agreement between the two groups’ data sets. Footprints appear to be shallowly impressed true tracks rather than undertracks. One of the Coffee Hollow trackways shows marked asymmetry in the lengths of paces that begin with the left as opposed to the right forefoot, and two of the Coffee Hollow trackways are unusually broad. The Coffee Hollow trackways differ enough from the manus portions of other Glen Rose Formation sauropod trackways to suggest that they were made by a different kind of sauropod. Greater differential pressure exerted on the substrate by the forefeet than the hindfeet probably explains the Coffee Hollow trackways, like other manus-only sauropod trackways, but the possibility that they indicate unusual locomotion cannot at present be ruled out.

Item Type: Article
Additional Information: This is an Accepted Manuscript of an article published by Taylor & Francis in Ichnos on 13/12/19, available online: http://www.tandfonline.com/10.1080/10420940.2019.1698424
Uncontrolled Keywords: 0403 Geology, 0602 Ecology, 0603 Evolutionary Biology
Subjects: Q Science > QE Geology
Q Science > QH Natural history > QH301 Biology
Q Science > QE Geology > QE701 Paleontology
Divisions: Biological & Environmental Sciences (new Sep 19)
Publisher: Taylor & Francis
Date Deposited: 13 Dec 2019 16:43
Last Modified: 04 Sep 2021 08:16
DOI or Identification number: 10.1080/10420940.2019.1698424
URI: https://researchonline.ljmu.ac.uk/id/eprint/11900

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