These fossil tracks were a recent and exciting find for Grand Canyon National Park.
Fossil vertebrate footprints in the Coconino Sandstone (Permian) of northern Arizona: Evidence for underwater origin. Leonard R. Brand ;.
Another interesting aspect of the new Grand Canyon fossil tracks is the geologic formation in which they are preserved. The Coconino Sandstone ...
The vast majority of tracks are not fossilized — they are destroyed shortly after ...
... of sandstone from the base of Hardraw Force Waterfall in Wensleydale, North Yorkshire, is the oldest record of amphibian tracks in the UK.
Album caption and index card: Fossil tracks on a slab of Coconino sandstone at Hermit Trail, Grand Canyon National Park. Coconino County, Arizona. ca. 1920.
Tracks and trackways of small theropod dinosaurs are particularly
fossil tracks should not be used as evidence for eolian deposition of dry sand. INTRODUCTION. The fossil trackways in the Coconino Sandstone have long been ...
The only fossils preserved within the Permian-age Coconino Sandstone are trace fossils. Footprints, tracks, and burrows created by prehistoric vertebrate and ...
The tracks belong to the earliest relatives of modern amphibians called temnospondyls, specifically the edopoids, or 'glutton-faced animals'.