Tolman Crossing (KU/UA): Late Campanian - Early Maastrichtian, Canada
collected 1965

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
1 individual
Gao and Fox 1998
see common names

Geography
Country:Canada State/province:Alberta
Coordinates: 52.3° North, 113.8° West (view map)
Paleocoordinates:63.4° North, 67.2° West (Wright 2013)
Basis of coordinate:based on political unit
Altitude:862 meters
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian - Maastrichtian 10 m.y. bin: Cretaceous 7 - Cretaceous 8
Key time interval: Late Campanian - Early Maastrichtian
Age range of interval: 83.6 - 66 m.y. ago
Stratigraphy
Geological group:Edmonton Formation:Horseshoe Canyon
Stratigraphic resolution:bed
Stratigraphy comments: described as "Lower Edmonton Formation" (now = Horseshoe Canyon Fm.)
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:poor
Articulated whole bodies:none
Associated major elements:all
Disassociated major elements:none
Disassociated minor elements:none
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Collection dates:1965
Collection method comments: Collected 1965 by University of Kansas/University of Alberta parties
Metadata
Database number:34373
Authorizer:M. Carrano, R. Benson Enterer:M. Carrano, R. Benson
Modifier:G. Varnham Research group:vertebrate
Created:2003-08-28 08:19:07 Last modified:2025-02-22 15:12:02
Access level:the public Released:2003-08-28 08:19:07
Creative Commons license:CC0
Reference information

Primary reference:
9026.5% 40180R. C. Fox. 1968. Studies of Late Cretaceous vertebrates. I. The braincase of Champsosaurus Cope (Reptilia: Eosuchia). Copeia 1968(1):100-109 [M. Carrano/M. Carrano/J. Alroy]

Secondary references:

37894 K. -Q. Gao and R. C. Fox. 1998. New choristoderes (Reptilia: Diapsida) from the Upper Cretaceous and Palaeocene, Alberta and Saskatchewan, Canada, a phylogenetic relationships of Choristodera. Zoological Journal of the Linnean Society 124:303-353 [R. Benson/R. Benson]