Where: Alberta, Canada (49.0° N, 110.5° W: paleocoordinates 56.4° N, 83.4° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Frenchman Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• "two hundred feet above the beds of cretaceous no. 5"
• formation-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected by G. M. Dawson in 1874
Collection methods: surface (float),
Primary reference: E. D. Cope. 1875. On the transition beds of the Saskatchewan district. Proceedings of the Academy of Natural Sciences of Philadelphia 27:2-3 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 58157: authorized by Matthew Carrano, entered by Kaitlin Maguire on 25.01.2006, edited by Matthew Carrano, John Alroy, Roger Benson and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
Cionodon stenopsis n. sp., ? Hadrosaurus sp.
Cionodon stenopsis n. sp. Cope 1875 hadrosaurid
? Hadrosaurus sp. Leidy 1858 hadrosaurine | |
Plastomenus costatus n. sp.
Plastomenus costatus n. sp. Cope 1875 turtle | |
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"Compsemys ogmius n. sp." = Basilemys ogmius
"Compsemys ogmius n. sp." = Basilemys ogmius Cope 1875 turtle | |
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| Actinopteri | |
"Clastes sp." = Lepisosteus
"Clastes sp." = Lepisosteus Agassiz 1843 gar | |