Rudio Creek 4 ( of the United States)

Also known as UC V6600 (=UCMP D2926), UWA 5929, JDNM-275

Where: Grant County, Oregon (44.8° N, 119.6° W: paleocoordinates 44.5° N, 111.4° W)

• coordinate based on nearby landmark

When: Kimberly Member (John Day Formation), Arikareean (29.5 - 18.5 Ma)

Environment/lithology: terrestrial; siltstone

Size classes: macrofossils, mesofossils

Collected by UCMP, UWBM, JODA, UOMNH; reposited in the UCMP, UWBM

Primary reference: W. W. Korth and J. X. Samuels. 2015. New rodent material from the John Day Formation (Arikareean, Middle Oligocene to Early Miocene) of Oregon. Annals of Carnegie Museum 83(1):19-84 [N. Famoso/N. Famoso]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 237946: authorized by Nicholas Famoso, entered by Nicholas Famoso on 22.12.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia - Heteromyidae
Proheteromys latidens n. sp. Korth and Samuels 2015 rodent
 Rodentia - Castoridae
"Palaeocastor fossor" = Fossorcastor fossor
"Palaeocastor fossor" = Fossorcastor fossor Peterson 1905 beaver
 Rodentia - Entoptychidae
Entoptychus minor1 Cope 1881 rodent
Entoptychus cavifrons2 Cope 1878 rodent