Eastend "Scotty" site, RSM loc. 72F07-0022: Late/Upper Maastrichtian, Canada
collected 1991-2003

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Fokienia ravenscragensis McIver and Basinger 1990
McIver 2002
Trochodendroides speciosa Berry 1930
Spinifructus antiquus
McIver 2002
Nyssidium arcticum Iljinskaja 1974
McIver 2002
"= Leguminosites arachioides-mino"
Osteichthyes
Osteichthyes indet. Huxley 1880
15 elements
Amphibia - Temnospondyli - Batrachosauroididae
Opisthotriton sp. Auffenberg 1961
1 specimen
Reptilia - Ceratopsidae
cf. Triceratops sp. Marsh 1889
20 specimens
Triceratops sp. Marsh 1889
1 specimen
Reptilia - Pachycephalosauridae
cf. Pachycephalosauridae indet. Sternberg 1945
1 specimen
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
2 specimens
Reptilia - Theropoda
Theropoda indet. Marsh 1881
4 specimens
Reptilia - Dromaeosauridae
? Dromaeosaurus sp. Matthew and Brown 1922
3 specimens
Reptilia
Aves indet. Linnaeus 1758
2 specimens
Reptilia - Tyrannosauridae
Tyrannosaurus rex Osborn 1905
1 specimen
RSM P2523.8
Reptilia - Crocodylidae
Crocodylidae indet. Cuvier 1807
1 specimen
Reptilia
Champsosaurus sp. Cope 1876
3 specimens
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
2 specimens
Reptilia - Testudines - Nanhsiungchelyidae
Basilemys sp. Hay 1902
1 specimen
Mammalia
Mammalia indet. Linnaeus 1758
1 specimen
Mammalia - Gypsonictopidae
Gypsonictops sp. Simpson 1927
1 specimen
Mammalia - Alphadontidae
Alphadon sp. Simpson 1927
2 specimens
Mammalia - Deltatheroida - Deltatheridiidae
Nanocuris improvida n. gen., n. sp. Fox et al. 2007
Fox et al. 2007
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
2 elements
Gastropoda - Viviparidae
? Lioplacodes tenuicarinata
1 specimen
impression
Viviparus ? thompsoni
1 specimen
impression
Bivalvia - Cardiida - Sphaeriidae
Sphaerium cf. subellipticum
3 specimens
impressions
Bivalvia - Unionida - Unionidae
Unionidae informal sp. 1 Rafinesque 1820
3 specimens
impressions
Unionidae informal sp. 2 Rafinesque 1820
3 specimens
impressions
Insecta
Insecta indet. Linnaeus 1758
3 specimens
Ginkgoopsida - Ginkgoales - Ginkgoaceae
Ginkgo sp. Linnaeus 1771
unclassified
Dombeyopsis obtusa Lesquereux 1872
McIver 2002
Angiospermae - Vitales - Vitaceae
Vitis stantonii
McIver 2002
Angiospermae - Rosales - Ulmaceae
cf. Ulmaceae indet. Brisseau-Mirbel 1815
Angiospermae - Fagales - Nothofagaceae
Dryophyllum subfalcatum Lesquereux 1875
McIver 2002
Angiospermae - Fagales - Juglandaceae
cf. Juglans denveriana
Angiospermae - Saxifragales - Cercidiphyllaceae
Trochodendroides flabella ()
Magnoliopsida
Trapago angulate
McIver 2002
synonym of Quereuxia
Pinopsida - Pinales - Taxodiaceae
Parataxodium sp. Arnold and Lowther 1955
McIver 2002
Polypodiopsida - Polypodiales - Dryopteridaceae
cf. Dryopteris carbonensis
Polypodiopsida - Equisetales - Equisetaceae
Equisetum sp. Linnaeus 1753
McIver 2002
unclassified
Carpites ulmiiformis
cf. Carpites lakesii
Carpolithes kneehillensis
see common names

Geography
Country:Canada State/province:Saskatchewan
Coordinates: 49.5° North, 108.8° West (view map)
Paleocoordinates:56.5° North, 81.1° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Frenchman
Local section:Cypress Hills Local bed:1
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: sandstone
Secondary lithology: siltstone
Lithology description: "sandstone unit together with a series of thin siltstone and claystone beds or lenses"
Environment:"channel"
Geology comments: "Depositional environment attributed to the T. rex skeleton is that of a low-energy section of a broad, accretionary meandering river system, most probably a point bar."
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Associated major elements:many
Temporal resolution:time-averaged
Spatial resolution:autochthonous
Collection methods and comments
Collection excludes:all macrofossils
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Collection dates:1991-2003
Metadata
Also known as:Chambery Coulee
Database number:54105
Authorizer:M. Carrano, J. Alroy Enterer:M. Carrano, J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:2005-09-22 20:27:54 Last modified:2008-11-06 15:58:58
Access level:the public Released:2005-09-22 20:27:54
Creative Commons license:CC BY
Reference information

Primary reference:
14627.ETE T. T. Tokaryk and H. N. Bryant. 2004. The fauna from the Tyrannosaurus rex excavation, Frenchman Formation (Late Maastrichtian), Saskatchewan. Summary of Investigations 2004, Volume 1. Saskatchewan Geological Survey, Saskatchewan Industry Resources, Miscellaneous Report 2004-4 1:1-12 [M. Carrano/M. Carrano/M. Uhen]

Secondary references:

25486 R. C. Fox, C. S. Scott, and H. N. Bryant. 2007. A new, unusual therian mammal from the Upper Cretaceous of Saskatchewan, Canada. Cretaceous Research 28(5):821-829 [J. Alroy/J. Alroy]
14682ETE,5% 55780E. E. McIver. 2002. The paleoenvironment of Tyrannosaurus rex from southwestern Saskatchewan, Canada. Canadian Journal of Earth Sciences 39:207-221 [M. Carrano/K. Maguire/J. Alroy]