Nerud's Thrasher Quarry (Oligocene of the United States)

Also known as Mo-104, in part

Where: Morrill County, Nebraska (41.7° N, 103.1° W: paleocoordinates 42.5° N, 96.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Unit C Member (Gering Formation), Geringian (30.8 - 26.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. C. Swisher. 1982. Stratigraphy and biostratigraphy of the eastern portion of the Wildcat Ridge, western Nebraska. 1-172 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17566: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jason Head

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Soricomorpha - Proscalopidae
Proscalops tertius Reed 1961 placental
 Rodentia - Heteromyidae
"Proheteromys fedti" = Proharrymys fedti
"Proheteromys fedti" = Proharrymys fedti Macdonald 1963 rodent
 Rodentia - Castoridae
Castoridae indet. Gray 1821 beaver
said to be new
Palaeocastor sp.1 Leidy 1869 beaver
 Rodentia - Cricetidae
Geringia mcgregori Macdonald 1970 rodent
"C"
Leidymys blacki Macdonald 1963 rodent
 Tribosphenida - Herpetotheriidae
Herpetotherium youngi1 McGrew 1937 marsupial
Reptilia
 Squamata - Boidae
Calamagras platyspondyla2 Holman 1976 dwarf boa
Anilioides nebraskensis2 Holman 1976 boa