Where: Big Horn County, Montana (45.2° N, 108.8° W: paleocoordinates 44.6° N, 66.6° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Himes Member (Cloverly Formation), Middle Albian to Middle Albian (109.0 - 93.5 Ma)
• Unit VII
•
•D'Emic et al. 2019: New data reported in this study suggest that deposition of the Cloverly Formation spanned the Valanginian–Cenomanian stages (ca. 140 Ma–98 Ma), a longer time interval than the commonly cited Aptian–Albian depositional timeframe. In the mid–late Albian to early Cenomanian (ca. 109–98 Ma), sediment sourced from the east was deposited as the Himes Member and Greybull Sandstone.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Preservation: concretion
Collected by S. Orzack in 1975; reposited in the MCZ
Collection methods: surface (float), mechanical,
Primary reference: F. A. Jenkins, Jr. and C. R. Schaff. 1988. The Early Cretaceous Mammal Gobiconodon (Mammalia, Triconodonta) from the Cloverly Formation in Montana. Journal of Vertebrate Paleontology 8(1):1-24 [J. Alroy/J. Alroy/J. Ju]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14378: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Gobiconodon ostromi n. gen. n. sp.
Gobiconodon ostromi n. gen. n. sp. Jenkins and Schaff 1988 mammal |