Also known as UNSM Cr-23; UNSM Cr-129; UNSM Cr-130; UNSM Cr-135; UNSM Cr-137; UNSM Cr-160
Where: Cherry County, Nebraska (42.8° N, 102.0° W: paleocoordinates 43.5° N, 98.1° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Runningwater Formation, Early/Lower Hemingfordian (20.4 - 16.0 Ma)
• "early Hemingfordian"; "low-mid" part of formation
• member-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 69808: authorized by John Alroy, entered by John Alroy on 07.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Mesoscalops scopelotemos Reed 1960 placental | |
Brachyerix macrotis Matthew 1933 hedgehog
Parvericius montanus Koerner 1940 hedgehog | |
Oreolagus nebrascensis McGrew 1941 pika | |
Archaeolagus sp. Dice 1917 rabbit | |
Mesogaulus paniensis Matthew 1902 rodent | |
Protospermophilus sp. Gazin 1930 squirrel
Miospermophilus sp. Black 1963 squirrel | |
Fanimus ultimus Korth et al. 1990 rodent | |
Stratimus strobeli Korth et al. 1990 rodent
Harrymys magnus Wood 1932 rodent
Mookomys sp. Wood 1931 rodent
Schizodontomys amnicolus Korth et al. 1990 rodent
Proheteromys sp. Wood 1932 rodent | |
Pleurolicus hemingfordensis Korth et al. 1990 pocket gopher | |
Euroxenomys wilsoni Korth 2001 beaver
Anchitheriomyinae indet. Korth 2001 beaver | |
Schaubeumys grangeri, "Plesiosminthus clivosus" = Schaubeumys clivosus
Schaubeumys grangeri Wood 1935 jumping mouse
"Plesiosminthus clivosus" = Schaubeumys clivosus Galbreath 1953 jumping mouse | |
Ziamys hugeni Korth et al. 1990 rodent |