Also known as UCMP V-86049
Where: Slope County County, North Dakota (46.4° N, 104.0° W: paleocoordinates 52.6° N, 77.3° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)
• Upper part of the Hell Creek Formation 23.3 m below its contact with the Ludlow Formation.
Environment/lithology: fluvial; sandstone and mudstone
Size class: macrofossils
Reposited in the UCMP
Collection methods: surface (float), surface (in situ),
Primary reference: M. A. Norell, J. M. Clark, and J. H. Hutchison. 1994. The Late Cretaceous alligatoroid Brachychampsa montana (Crocodylia): new material and putative relationships. American Museum Novitates 3116:1-26 [R. Benson/R. Benson]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 137601: authorized by Roger Benson, entered by Roger Benson on 18.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
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Brachychampsa montana Gilmore 1911 crocodilian UCMP 177996–177997; and 133901, which comprises a skull with articulated mandible; the hyoid skeleton; the vertebral column from atlas to sacrum but posterior part of the series poorly preserved; dorsal osteoderms of neck, trunk and proximal part oftail; ventral armor ofthroat (there appears to have been no belly armor); most of forelegs lacking only the distal ulnae and parts of the right manus; proximal parts of scapula and coracoid; interclavicle; right femur; left femur lacking distal end; proximal fibula; partial right ilium
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| Actinopteri | |
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