TMP JD-1: Early/Lower Maastrichtian, Canada
collected by Brinkman 2003

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Albuliformes - Albulidae
Coriops sp. Estes 1969
1 specimen
Actinopteri - Esociformes - Esocidae
Oldmanesox sp. Wilson et al. 1992
5 specimens
TMP 2009.136.4, 2009.136.6
Actinopteri
Acanthomorpha indet. (Rosen 1973)
30 specimens
spelled with current rank as Acanthomorphata
TMP 2009.136.9
Holostei informal indet. A (Müller 1846)
500 specimens
TMP 2009.136.3
Actinopteri - Amiiformes - Amiidae
Cyclurus sp. Agassiz 1839
9 specimens
Amphibia - Temnospondyli
Anura indet. (Fischer von Waldheim 1813)
5 specimens
Amphibia - Temnospondyli - Batrachosauroididae
Opisthotriton sp. Auffenberg 1961
29 specimens
Amphibia - Temnospondyli - Urodela
Scapherpeton sp. Cope 1876
10 specimens
Reptilia
Archosauria indet. (Cope 1869)
2 specimens
Reptilia - Hadrosauridae
Hypacrosaurus altispinus Brown 1913
4 specimens
Chondrichthyes
Rhinobatoidea indet.
1 specimen
TMP 2009.136.2
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus sp. Cope 1876
5 specimens
TMP 2009.136.1
see common names

Geography
Country:Canada State/province:Alberta
Coordinates: 52.0° North, 112.9° West (view map)
Paleocoordinates:59.7° North, 84.4° 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:Early/Lower Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Edmonton Formation:Horseshoe Canyon Member:Tolman
Stratigraphic resolution:bed
Stratigraphy comments: from Unit 3
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:coarse channel fill
Geology comments: "stacked paleochannel sandstone"
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:mesofossils
Preservation of anatomical detail:good
Abundance in sediment:abundant
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:bulk,sieve,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:TMP
Collectors:Brinkman Collection dates:2003
Metadata
Database number:135743
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2012-11-06 11:14:51 Last modified:2021-04-05 19:54:02
Access level:the public Released:2012-11-06 11:14:51
Creative Commons license:CC BY
Reference information

Primary reference:

43426. D. W. Larson, D. B. Brinkman, and P. R. Bell. 2010. Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences 47:1159-1181 [M. Carrano/M. Carrano]