Milk River (Cretaceous of Canada)

Where: Alberta, Canada (49.0° N, 110.5° W: paleocoordinates 56.5° N, 82.8° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Frenchman Formation, Maastrichtian (72.1 - 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

 Ginglymodi -
Clastes sp. Cope 1872
 Testudines - Trionychidae
Trionychidae indet.1 Gray 1825 softshell turtle
 Testudines -
Compsemys ? victa Leidy 1856 turtle
 Testudines - Nanhsiungchelyidae
"Compsemys ogmius n. sp." = Basilemys variolosa
"Compsemys ogmius n. sp." = Basilemys variolosa Cope 1876 turtle
 Testudines -
Trionychoidea indet.2 Fitzinger 1826 turtle
 Testudines - Pantrionychidae
Plastomenus costatus n. sp. Cope 1875 turtle
 Neornithischia - Hadrosauridae
? Hadrosaurus sp. Leidy 1858 hadrosaurine
Cionodon stenopsis n. sp. Cope 1875 hadrosaurid