Wood Mountain, Rocky Creek: Late/Upper Maastrichtian, Canada
collected by C. M. Sternberg 1921

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Sciaenidae
Platacodon sp. Marsh 1889
Sternberg 1924
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis (Leidy 1856)
original and current combination Lepidotus occidentalis
Actinopteri - Amiiformes - Amiidae
Pappichthys sp.
Reptilia - Sauria
Sauria indet. MacCartney 1802
"unnamed lizard"
Reptilia
Champsosaurus sp. Cope 1876
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Gilmore 1924 4 specimens
"carnivorous dinosaur (undescribed)"; NMC 8504
Reptilia - Ornithomimidae
Ornithomimus sp. Marsh 1890
Reptilia - Ceratopsidae
Triceratops sp. Marsh 1889
Triceratops ? prorsus Marsh 1890
Reptilia - Hadrosauridae
Thespesius sp. Leidy 1856
"new species"
    = Thespesius saskatchewanensis n. sp. Sternberg 1926
Sternberg 1926
synonym of Edmontosaurus annectens
NMC 8509
Reptilia
Thescelosaurus neglectus Gilmore 1913
NMC 9493, 9507
Reptilia - Crocodylia
Crocodylus sp. Laurenti 1768
    = Crocodylia indet. Owen 1842
Alroy 2006
Reptilia - Teiidae
Lanceosaurus hatcheri Gilmore 1928
Gilmore 1928 1 specimen
nomen vanum belonging to Teiidae
GSC 2911, fragmentary dentary with teeth
Reptilia
Iguanavus sp. Marsh 1872
nomen dubium belonging to Lacertilia
Reptilia - Baenidae
Baena informal sp. 1 Leidy 1870
Baena informal sp. 2 Leidy 1870
? Thescelus sp. Hay 1908
Reptilia - Testudines - Nanhsiungchelyidae
Basilemys sp. Hay 1902
Reptilia - Testudines - Trionychidae
Aspideretes informal sp. 1 Hay 1904
    = Trionychinae indet. Gray 1825
Alroy 2007
Aspideretes informal sp. 2 Hay 1904
    = Trionychinae indet. Gray 1825
Alroy 2007
Aspideretes informal sp. 3 Hay 1904
    = Trionychinae indet. Gray 1825
Alroy 2007
Reptilia - Testudines - Adocidae
Adocus sp. Cope 1868
Amphibia - Temnospondyli - Urodela
Scapherpeton tectum Cope 1876
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
see common names

Geography
Country:Canada State/province:Saskatchewan
Coordinates: 49.0° North, 106.6° West (view map)
Paleocoordinates:55.7° North, 78.9° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
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:2
Stratigraphic resolution:group of beds
Stratigraphy comments: from "various levels" in the "Lance"

Frenchman Fm. was originally included within the overlying Ravenscrag Fm., but the two are now separate. Frenchman Fm. is Maastrichtian and Ravenscrag is Danian (see Eberth et al. 2019)
Lithology and environment
Primary lithology: claystone
Secondary lithology: sandstone
Includes fossils?Y
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils,mesofossils
Disassociated major elements:some
Disassociated minor elements:some
Fragmentation:frequent
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Collectors:C. M. Sternberg Collection dates:1921
Metadata
Also known as:L&W locality 13, Morgan Creek, Grasslands National Park
Database number:45675
Authorizer:M. Carrano, P. Barrett, J. Alroy Enterer:M. Carrano, T. Cleary, J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:2004-11-22 13:38:11 Last modified:2023-01-10 13:47:54
Access level:the public Released:2004-11-22 13:38:11
Creative Commons license:CC BY
Reference information

Primary reference:
12049.ETE C. M. Sternberg. 1924. Report on a collection of vertebrates from Wood Mountain, southern Saskatchewan, collected by C. M. Sternberg, 1921. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):27-28 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

18120 J. Alroy. 2006. Synonymies and reidentifications of North American fossil vertebrates. [J. Alroy/J. Alroy/J. Alroy]
19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
12623ETE P. M. Galton. 1974. Notes on Thescelosaurus, a conservative ornithopod dinosaur from the Upper Cretaceous of North America, with comments on ornithopod classification. Journal of Paleontology 48(5):1048-1067 [M. Carrano/M. Carrano/J. Alroy]
12060ETE C. W. Gilmore. 1924. A new coelurid dinosaur from the Belly River Cretaceous of Alberta. Canada Department of Mines Geological Survey Bulletin (Geological Series) 38(43):1-12 [M. Carrano/M. Carrano/M. Carrano]
14538 C. W. Gilmore. 1928. Fossil lizards of North America. Memoirs of the National Academy of Sciences 22(3):1-201 [J. Head/J. Head/M. Carrano]
12319ETE R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano]
62727 L. S. Russell. 1966. Dinosaur hunting in western Canada. Royal Ontario Museum, Life Sciences Contribution 70:1-37 [M. Carrano/M. Carrano]
12103ETE C. M. Sternberg. 1924. Notes on the Lance Formation of southern Sasakatchewan. Canadian Field-Naturalist 38(4):66-70 [M. Carrano/M. Carrano/M. Carrano]
12110ETE C. M. Sternberg. 1926. A new species of Thespesius from the Lance Formation of Saskatchewan. Canada Department of Mines Geological Survey Bulletin (Geological Series) 44(46):73-84 [M. Carrano/M. Carrano/M. Carrano]