Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.6° N, 95.7° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Orella Member (Brule Formation), Orellan (33.9 - 33.3 Ma)
• member-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: mesofossils
Primary reference: P. O. McGrew. 1937. New marsupials from the Tertiary of Nebraska. Journal of Geology 45(4):448-455 [J. Alroy/J. Alroy/W. Clyde]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 17150: authorized by John Alroy, entered by John Alroy on 05.08.1996
Creative Commons license: CC BY (attribution)
Taxonomic list
•not clear if this includes "Platyochoerus hatcreekensis" type of Schultz and Falkenbach 1956 from Brule Zone C "10 mi. N. of Harrison" (1944 F:AM collection)
NW 1/4 sec 35 T33N R56W
•entire fauna could be from Orella C
•"Agriochoerus latifrons" Wilson 1971: ""Sec. 35 (or 36) T. 33 N., R. 56 W. Sioux Co."; level not stated
| Mammalia | |
"Nanodelphys hunti" = Nanodelphys huntii1
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"Prosciurus relictus" = Altasciurus relictus2
"Prosciurus relictus" = Altasciurus relictus2 Cope 1873 mountain beaver Orella C or D, exact coordinates
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Apletotomeus crassus n. sp.4
Apletotomeus crassus n. sp.4 Reeder 1960 rodent Bill Grimm Ranch, "Orellan"; coordinates match Wood's locality, but collection is from 1948 DUPLICATE REF 2851 or 2852
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Eumys parvidens n. sp.5 Wood 1937 mouse Upper Oreodon Zone; exact coordinates; Orella C according to Martin 1980a DUPLICATE REF 3725 or 3745
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