Oxytropidoceras Posted August 21, 2020 Share Posted August 21, 2020 Discovered fossil tracks determined to be oldest known in Grand Canyon National Park ABC, Channel 15 News, Arizona The open access paper is: Rowland, S.M., Caputo, M.V., and Jensen, Z.A., 2020. Early adaptation to eolian sand dunes by basal amniotes is documented in two Pennsylvanian Grand Canyon trackways. PLoS ONE 15(8): e0237636. A related paper is: Francischini, H., Lucas, S.G., Voigt, S., Marchetti, L., Santucci, V.L., Knight, C.L., Wood, J.R., Dentzien-Dias, P. and Schultz, C.L., 2020. On the ;presence of Ichniotherium in the Coconino Sandstone (Cisuralian) of the Grand Canyon and remarks on the occupation of deserts by non-amniote tetrapods. PalZ, 94(1), pp.207-225. Yours, Paul H. Link to comment Share on other sites More sharing options...
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