Lyman Beaver Locality (Oligocene of the United States)

Also known as UNSM Sf-102; 6 miles east of Lyman

Where: Scotts Bluff County, Nebraska (41.8° N, 103.8° W: paleocoordinates 43.0° N, 95.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: lower Orella Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UNSM

Primary reference: W. W. Korth. 1989. Geomyoid rodents (Mammalia) from the Orellan (middle Oligocene) of Nebraska,. Los Angeles Museum of History, Science Series 33:31-46 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17135: authorized by John Alroy, entered by John Alroy on 21.09.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• said by Korth 1996b to be 7.1 mi E of Lyman
possibly relevant: Ischyromys type Heaton 1993: "Lyman"
Reptilia
 Squamata - Anguidae
Parophisaurus pawneensis5 Gilmore 1928 squamates
USNM 50000, incomplete skull
Mammalia
 Rodentia - Castoridae
Agnotocastor readingi2 Korth 1988 beaver
Orella B
 Rodentia - Eomyidae
Adjidaumo minutus Cope 1873 rodent
Orella C or D
 Carnivora - Canidae
Hesperocyon gregarius6 Cope 1873 canid
Orella B
 Artiodactyla - Leptochoeridae
Stibarus obtusilobus1 Cope 1873 even-toed ungulate
Orella B or C
 Artiodactyla - Merycoidodontidae
"Hadroleptauchenia eiseleyi n. sp." = Leptauchenia decora4, Miniochoerus gracilis3, "Otionohyus wardi" = Merycoidodon culbertsonii4
"Hadroleptauchenia eiseleyi n. sp." = Leptauchenia decora4 Leidy 1856 oreodont
"6 mi. E. of Lyman" in "Brule Zone A"
Miniochoerus gracilis3 Leidy 1851 oreodont
"Otionohyus wardi" = Merycoidodon culbertsonii4 Leidy 1848 oreodont