MOR HC-069, Wankel T-Rex: Late/Upper Maastrichtian, Montana
collected by K. Wankel, J. Horner, P. Leiggi 1988–1991

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Tyrannosauridae
Tyrannosaurus rex Osborn 1905
1 individual
MOR 555/USNM 555000 ("Wankel rex")
    = Tyrannosaurus regina n. sp. Paul et al. 2022
Paul et al. 2022
synonym of Tyrannosaurus rex
Reptilia - Ceratopsidae
Triceratops sp. Marsh 1889
Scannella and Fowler 2014 4 specimens
MOR 598, 599, 669, 670
see common names

Geography
Country:United States State/province:Montana County:McCone
Coordinates: 47.7° North, 106.3° West (view map)
Paleocoordinates:54.4° North, 79.2° 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
Geological group:Montana Formation:Hell Creek
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:coarse channel fill
Geology comments: "a low grade, shallow (<2 m deep) sandy meandering channel"
Taphonomy
Modes of preservation:body,soft parts
Degree of concentration:dispersed
Size of fossils:macrofossils
Spatial orientation:preferred
Preservation of anatomical detail:excellent
Associated major elements:some
Fragmentation:occasional
Temporal resolution:snapshot
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Collectors:K. Wankel, J. Horner, P. Leiggi Collection dates:1988–1991
Metadata
Also known as:Fort Peck Lake
Database number:157187
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2014-06-06 16:08:21 Last modified:2022-09-29 15:45:37
Access level:the public Released:2014-06-06 16:08:21
Creative Commons license:CC BY
Reference information

Primary reference:

51520. J. R. Horner and D. Lessem. 1993. The Complete T. rex 1-239 [M. Carrano/M. Carrano]

Secondary references:

48939 R. E. Barrick and W. J. Showers. 1994. Thermophysiology of Tyrannosaurus rex; evidence from oxygen isotopes . Science 265(5169):222-224 [M. Uhen/S. Alam]
82296 G. S. Paul, W. S. Persons, and J. Van Raalte. 2022. The tyrant lizard king, queen and emperor: multiple lines of morphological and stratigraphic evidence support subtle evolution and probable speciation within the North American genus Tyrannosaurus. Evolutionary Biology 49(2):156-179 [M. Carrano/M. Carrano]
82752 J. B. Scannella and D. W. Fowler. 2014. A stratigraphic survey of Triceratops localities in the Hell Creek Formation, northeastern Montana (2006–2010). In G. P. Wilson, W. A. Clemens, J. R. Horner, & J. H. Hartman (eds.), Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas. Geological Society of America Special Paper 503:313-332 [M. Carrano/M. Carrano]
82683 J. Schmitt and M. H. Schweitzer. 2002. Paleoenvironmental controls on modes of extraordinary vertebrate fossil preservation, Upper Cretaceous Hell Creek Formation, northeast Montana. Journal of Vertebrate Paleontology 22(3 (suppl.)):104A [M. Carrano/M. Carrano]