Also known as UCMP V-77087, V77087
Where: Garfield County, Montana (47.6° N, 107.0° W: paleocoordinates 53.9° N, 81.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Tullock Member (Fort Union Formation), Pu1 (66.0 - 63.3 Ma)
• early Puercan (Pu1), lowermost Palaeocene Tullock Member, Fort Union Formation
• bed-level stratigraphic resolution
Environment/lithology: fine channel fill; silty sandstone
Size classes: macrofossils, mesofossils
Reposited in the UCMP
Collection methods: bulk, surface (float), sieve,
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: biostratigraphic analysis
PaleoDB collection 14762: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
Acipenseridae indet. Bonaparte 1831 ray-finned fish | |
Actinopteri | |
Amiidae indet. Huxley 1861 bowfin | |
Lepisosteidae indet. Cuvier 1825 gar | |
Teleostei indet. Müller 1846 | |
Amphibia | |
Albanerpeton sp. Estes and Hoffstetter 1976 tetrapod | |
Scapherpeton sp. Cope 1876 salamander | |
Reptilia | |
Chamopsiidae indet. Denton and O'Neill 1995 squamates | |
| |
Crocodylia indet. Owen 1842 crocodilian | |
Champsosauridae indet. Cope 1876 champsosaur | |
Trionychidae indet. softshell turtle | |
Chelydridae indet. turtle | |
Compsemys sp. Leidy 1856 turtle | |
Mammalia | |
| |
Protungulatum donnae Sloan and Van Valen 1965 condylarth
Mimatuta minuial Van Valen 1978 condylarth | |
Thylacodon montanensis Williamson et al. 2012 marsupial |