Where: Alberta, Canada (49.9° N, 113.0° W: paleocoordinates 57.7° N, 85.7° W)
• coordinate stated in text
• small collection-level geographic resolution
When: St. Mary River Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• this collection and others from the area are from about 30 m of section
•"probably" just above the Bearpaw Shale: Sloan and Russell 1974
• bed-level stratigraphic resolution
Environment/lithology: fluvial-deltaic; brown, gray, silty claystone and sandstone
•from a "shell bed" half way up the escarpment
Size classes: macrofossils, mesofossils
Collected by L. S. Russell, W. Langston in 1955, 1957
Collection methods: quarrying, surface (float), mechanical,
Primary reference: W. Langston. 1975. The ceratopsian dinosaurs and associated lower vertebrates from the St. Mary River Formation (Maestrichtian) at Scabby Butte, southern Alberta. Canadian Journal of Earth Sciences 12:1576-1608 [M. Carrano/K. Maguire/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 14502: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Kaitlin Maguire and Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
•another form of Eodelphis may be present
Ostracoda | |
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Bivalvia | |
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Gastropoda | |
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Reptilia | |
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Edmontosaurus sp. Lambe 1917 hadrosaurine NMC 9591-93, 9595, 9597-98, 9603-03, 9716-18, 9720, 9791, 9793-9804, 21884-928, 21937-40, 21942-56, 21958-69, 21971-22000, 22005-08
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Mammalia | |
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Amphibia | |
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Actinopteri | |
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Chondrichthyes | |
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"Squatirhina americana" = Restesia americana
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