Also known as UNSM SDK-9
Where: Tripp County, South Dakota (43.1° N, 99.8° W: paleocoordinates 43.8° N, 93.9° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Turtle Butte Formation (Arikaree Group), Monroecreekian (26.3 - 24.8 Ma)
• "late early Arikareean" (= Monroecreekian)
•"upper third of the Turtle Butte Formation... lower Arikaree Group"
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; unlithified, pebbly, sandy siltstone
Size class: mesofossils
Reposited in the UNSM
Collection methods: bulk, sieve,
• rock censused includes "a small bag (14 kg) of sandy siltstone fragments" produced by dry screening, and not the original sediment
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 67636: authorized by John Alroy, entered by John Alroy on 29.11.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Gripholagomys lavocati Green 1972 pika | |
Paciculus sp. Cope 1879 mouse | |
Alwoodia sp. Rensberger 1983 rodent | |
Palaeocastor sp. Leidy 1869 beaver | |
Actinopteri | |
Ictalurus sp. Rafinesque 1820 catfish |