Also known as Eastern Runningwater Fauna
Where: Cherry County, Nebraska (42.8° N, 102.0° W: paleocoordinates 43.5° N, 98.1° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Runningwater Formation, Early/Lower Hemingfordian (20.4 - 16.0 Ma)
• "early Hemingfordian"; "high" part of formation
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; sandstone and conglomerate
Size class: mesofossils
Reposited in the UNSM
Collection methods: bulk, sieve,
• "Most of the local faunas listed are the result of test-screening sand and gravel lenses and sorting between 45 and 136 kg of concentrate" (apparently at each site)
Primary reference: B. E. Bailey. 2004. Biostratigraphy and biochronology of early Arikareean through late Hemingfordian small mammal faunas from the Nebraska Panhandle and adjacent areas. Paludicola 4(3):81-113 [J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 69916: authorized by John Alroy, entered by John Alroy on 09.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Mookomys sp. Wood 1931 rodent
Stratimus sp. Korth et al. 1990 rodent
Dikkomys matthewi Wood 1936 rodent | |
Miospermophilus sp. Black 1963 squirrel | |
Schaubeumys grangeri Wood 1935 jumping mouse | |
Mesogaulus paniensis Matthew 1902 rodent | |
Archaeolagus sp. Dice 1917 rabbit | |
Oreolagus nebrascensis McGrew 1941 pika | |
Mesoscalops scopelotemos Reed 1960 placental | |
Brachyerix macrotis Matthew 1933 hedgehog |