Also known as KMark II; UCMP V-85092
Where: McCone County, Montana (47.8° N, 106.1° W: paleocoordinates 54.4° N, 79.0° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)
• said to be Lancian
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Reposited in the UCMP
Primary reference: D. L. Lofgren. 1995. The Bug Creek problem and the Cretaceous-Tertiary transition at McGuire Creek, Montana. University of California Publications in Geological Sciences 140:1-185 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14580: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Chondrichthyes | |
Myledaphus bipartitus Cope 1876 guitarfish | |
Gnathostomata | |
Osteichthyes indet. bony fish | |
Osteichthyes | |
Acipenseridae indet. Bonaparte 1831 ray-finned fish | |
Amphibia | |
Lisserpeton sp. Estes 1965 salamander | |
Mammalia | |
Mammalia indet. mammal | |
Meniscoessus robustus Marsh 1889 multituberculate | |
Theria indet. Parker and Haswell 1897 mammal | |
Gypsonictops illuminatus Lillegraven 1969 eutherian | |
"Pediomys florencae" = Protolambda florencae
"Pediomys florencae" = Protolambda florencae Clemens 1966 metatherian | |
Didelphodon vorax Marsh 1889 metatherian | |
Reptilia | |
Compsemys sp. Leidy 1856 turtle
Compsemys victa Leidy 1856 turtle | |
Baenidae indet. Cope 1882 turtle | |
Adocus sp. Cope 1868 turtle | |
"Plastomeninae indet." = Plastomenidae
"Plastomeninae indet." = Plastomenidae Hay 1902 turtle | |
Trionychidae indet. Gray 1825 softshell turtle | |
Crocodylia indet. crocodilian | |
Crocodylidae indet. crocodile | |
Ornithischia indet. ornithischian
Ceratopsia indet. ceratopsian | |
Theropoda indet. theropod | |
Richardoestesia sp. Currie et al. 1990 maniraptoran | |
Aves | |
Hesperornis sp. Marsh 1872 bird | |
Reptilia | |
Champsosauridae indet. Cope 1876 champsosaur | |
Champsosaurus sp. Cope 1876 choristodere | |
Actinopteri | |
Lepisosteidae indet. Cuvier 1825 gar |