Milk River, near Havre (Cretaceous to of the United States)

Where: Hill County, Montana (48.6° N, 109.7° W: paleocoordinates 55.6° N, 75.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• "Belly River" near Havre = Judith River

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by E. Douglass in 1902; reposited in the CM

Primary reference: R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142328: authorized by Matthew Carrano, entered by Matthew Carrano on 09.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Testudines - Trionychidae
Trionychidae indet.1
Trionychidae indet.1 Gray 1825 softshell turtle
CM 592
 Theropoda -
Theropoda indet.1
Theropoda indet.1 Marsh 1881 theropod
CM 592, teeth
 Theropoda - Ornithomimidae
Ornithomimus sp.2
Ornithomimus sp.2 Marsh 1890 ornithomimid
CM 593
 Ornithischia - Hadrosauridae
Hadrosauridae indet.
Hadrosauridae indet. Cope 1869 hadrosaurid
CM 594, caudal vertebra
 Ornithischia - Ceratopsidae
Ceratopsidae indet.1
Ceratopsidae indet.1 Marsh 1888 ceratopsid
CM 592, tooth
 Crocodylia -
Crocodylia indet.1
Crocodylia indet.1 Owen 1842 crocodilian
CM 592, scutes
1Carrano 2025; 2McIntosh 1981