Where: Harding County, South Dakota (45.5° N, 103.1° W: paleocoordinates 51.6° N, 76.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Hell Creek Formation (Montana Group), Lancian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: mesofossils
Primary reference: R. W. Wilson. 1983. Late Cretaceous mammals of western South Dakota, 1974. National Geographic Society Research Reports (1971, 1973, or 1974) 15:749-752 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 14604: authorized by John Alroy, entered by John Alroy on 27.09.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Gypsonictops hypoconus Simpson 1927 eutherian | |
"Nortedelphys intermedius" = Nortedelphys jasoni
"Nortedelphys intermedius" = Nortedelphys jasoni Storer 1991 marsupial from SDSM "Painter Ranch (V651)" locality in Harding County
| |
"Pediomys hatcheri" = Protolambda hatcheri, Pediomys elegans, "Pediomys krejcii" = Leptalestes krejcii
"Pediomys hatcheri" = Protolambda hatcheri Osborn 1898 metatherian
Pediomys elegans Marsh 1889 metatherian
"Pediomys krejcii" = Leptalestes krejcii Clemens 1966 metatherian | |
Alphadon ? marshi Simpson 1927 metatherian | |
? Didelphodon sp. Marsh 1889 metatherian | |
Mesodma hensleighi Lillegraven 1969 multituberculate
Mesodma formosa Marsh 1889 multituberculate
Mesodma thompsoni Clemens 1964 multituberculate | |
Meniscoessus robustus Marsh 1889 multituberculate |