Turkey Creek tracksite: Albian, Colorado
collected by J. Warme 1985

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Iguanodontipodidae
Matsukawa et al. 1999 4 specimens
trackways
Reptilia - Ornithomimipodidae
Lockley et al. 2006 1 specimen
see common names

Geography
Country:United States State/province:Colorado County:Jefferson
Coordinates: 39.7° North, 105.1° West (view map)
Paleocoordinates:46.5° North, 55.9° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Altitude:1694 meters
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Albian
Age range of interval: 113.2 - 100.5 m.y. ago
Stratigraphy
Geological group:Dakota Formation:Muddy Sandstone
Stratigraphic resolution:bed
Stratigraphy comments: Sequence 3, middle to upper part of the Muddy Formation
Lithology and environment
Primary lithology: not reported
Lithology description: "Track-bearing strata of the middle to upper part of the Muddy Formaion evidently represent onlap of coastal deposits and backfilling of valleys during transgression."
Environment:coastal indet.
Glacial or sequence phase:transgressive
Taphonomy
Modes of preservation:mold/impression,trace
Size of fossils:macrofossils
Spatial orientation:life position
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (in situ),observed (not collected)
Reason for describing collection:general faunal/floral analysis
Collectors:J. Warme Collection dates:1985
Collection method comments: discovered by John Warme
Metadata
Database number:55200
Authorizer:M. Carrano Enterer:K. Maguire, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-09-28 13:02:18 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-09-28 13:02:18
Creative Commons license:CC0
Reference information

Primary reference:
19038.ETE M. G. Lockley. 1987. Dinosaur footprints from the Dakota Group of eastern Colorado. The Mountain Geologist 24(4):107-122 [M. Carrano/M. Carrano]

Secondary references:

54846 P. J. Currie, G. C. Nadon, and M. G. Lockley. 1991. Dinosaur footprints with skin impressions from the Cretaceous of Alberta and Colorado. Canadian Journal of Earth Sciences 28:102-115 [M. Carrano/M. Carrano/M. Carrano]
25992ETE M. G. Lockley, J. Holbrook, R. Kukihara and M. Matsukawa. 2006. An ankylosaur-dominated dinosaur tracksite in the Cretaceous Dakota Group of Colorado: paleoenvironmental and sequence stratigraphic context. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:95-104 [M. Carrano/M. Carrano]
61886 M. G. Lockley and A. P. Hunt. 1995. Dinosaur Tracks and Other Fossil Footprints of the Western United States xxi-338 [M. Carrano/M. Carrano]
54850 M. G. Lockley, M. Matsukawa, and I. Obata. 1989. Dinosaur tracks and radial cracks: unusual footprint features. Bulletin of the National Science Museum, Tokyo, Series C 15(4):151-160 [M. Carrano/M. Carrano]
54567 M. G. Lockley and J. L. Wright. 2001. Trackways of large quadrupedal ornithopods from the Cretaceous: a review. In D. H. Tanke & K. Carpenter (ed.), Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie 428-442 [M. Carrano/M. Carrano]
14666ETE M. Matsukawa, M. G. Lockley, and A. P. Hunt. 1999. Three age groups of ornithopods inferred from footprints in the mid-Cretaceous Dakota Group, eastern Colorado, North America. Palaeogeography, Palaeoclimatology, Palaeoecology 147:39-51 [M. Carrano/K. Maguire/M. Carrano]