Where: Golden Valley County, Montana (46.5° N, 109.3° W: paleocoordinates 53.5° N, 76.2° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• Judithian based on fauna
• group of beds-level stratigraphic resolution
Environment/lithology: levee; fine-grained, medium, gray sandstone and burrowed, bioturbated siltstone
Size classes: macrofossils, mesofossils
Preservation: mold/impression, trace
Primary reference: A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142 [J. Alroy/J. Alroy/H. Street]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 14462: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
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Reptilia | |
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Ornithomimidae indet. Marsh 1890 ornithomimid | |
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Hadrosaurinae indet. Lambe 1918 hadrosaurine | |
Azhdarchidae indet. Nessov 1984 pterosaur | |
Actinopteri | |
Paralbula sp. Blake 1940 | |
Osteichthyes | |
Acipenser sp. Linnaeus 1758 sturgeon | |
Chondrichthyes | |
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