Also known as UCMP V-73098
Where: Garfield County, Montana (47.5° N, 107.0° W: paleocoordinates 54.3° N, 80.1° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)
• channel sandstone below Z Coal
• bed-level stratigraphic resolution
Environment/lithology: fine channel fill; silty sandstone
Size class: mesofossils
Reposited in the UCMP
Collection methods: surface (float),
Primary reference: J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14614: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Gnathostomata | |
Osteichthyes indet. bony fish | |
Amphibia | |
Scapherpeton tectum Cope 1876 salamander | |
Reptilia | |
Ceratopsia indet. ceratopsian | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Hadrosauridae indet. Cope 1869 hadrosaurid | |
Theropoda indet. theropod | |
Ornithomimidae indet. Marsh 1890 ornithomimid | |
Crocodylia indet. crocodilian | |
Crocodylidae indet. crocodile | |
Champsosauridae indet. Cope 1876 champsosaur | |
Testudines indet. Batsch 1788 turtle | |
Trionychidae indet. Gray 1825 softshell turtle | |
Kinosternoidea indet. mud turtle | |
Actinopteri | |
Amiidae indet. Huxley 1861 bowfin | |
Lepisosteus occidentalis Leidy 1856 gar | |
Chondrichthyes | |
Batoidea indet. ray |