New Surface Quarry (Miocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.1° N, 99.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: subcycle 3 Member (Olcott Formation), Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 17972: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• no synonyms
Mammalia
 Rodentia - Castoridae
Monosaulax curtus1 Matthew and Cook 1909 beaver
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum3 Osborn 1904 rhinoceros
Peraceras profectum3 Matthew 1899 rhinoceros
Aphelops megalodus3 Cope 1873 rhinoceros
 Perissodactyla - Equidae
Merychippus insignis2 Leidy 1856 horse
Supplemental Table S1
Desmatippus integer Matthew 1924 anchitheriine horse
 Carnivora - Canidae
Osbornodon fricki8 Wang 1994 canid
Leptocyon leidyi7 Tedford et al. 2009 canine
Paracynarctus sinclairi9 Wang et al. 1999 bone-crushing dog
Microtomarctus conferta9 Matthew 1918 bone-crushing dog
Tomarctus brevirostris9 Cope 1873 bone-crushing dog
 Ungulata - Merycoidodontidae
Mediochoerus blicki n. sp. Schultz and Falkenbach 1941 oreodont
see Schultz and Falkenbach 1941
Ticholeptus zygomaticus4 Cope 1878 oreodont
Merychyus relictus5 Matthew and Cook 1909 oreodont
 Ungulata - Leptomerycidae
Pseudoparablastomeryx scotti Frick 1937 ruminant
described by Taylor and Webb 1976
 Ungulata - Antilocapridae
Merycodus sabulonis6 Frick 1937 pronghorn
see also Skinner et al. 1977