Where: Alberta, Canada (52.0° N, 112.9° W: paleocoordinates 59.7° N, 84.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Tolman Member (Horseshoe Canyon Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• from Unit 3
• bed-level stratigraphic resolution
Environment/lithology: coarse channel fill; sandstone
Size class: mesofossils
Collected by Brinkman in 2003; reposited in the TMP
Collection methods: bulk, sieve,
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 135743: authorized by Matthew Carrano, entered by Matthew Carrano on 06.11.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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Actinopteri | |
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Cyclurus sp. Agassiz 1839 bowfin | |
"Acanthomorpha indet." = Acanthomorphata
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Coriops sp. Estes 1969 bonefish | |
Amphibia | |
Scapherpeton sp. Cope 1876 salamander | |
Opisthotriton sp. Auffenberg 1961 salamander | |
Anura indet. Fischer von Waldheim 1813 frog | |
Reptilia | |
Archosauria indet. Cope 1869 archosaur | |
Hypacrosaurus altispinus Brown 1913 lambeosaurine |