PBDB Collection

New Surface Quarry (Miocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.0° N, 100.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: subcycle 3 Member (Olcott Formation), Early/Lower Barstovian (16.3 - 12.5 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

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

Show authors, comments, and common names

Mammalia
Carnivora - Canidae	Tomarctus brevirostris⁹, Paracynarctus sinclairi⁹, Microtomarctus conferta⁹, Leptocyon leidyi⁷, Osbornodon fricki⁸ Tomarctus brevirostris⁹ Cope 1873 bone-crushing dog Paracynarctus sinclairi⁹ Wang et al. 1999 bone-crushing dog Microtomarctus conferta⁹ Matthew 1918 bone-crushing dog Leptocyon leidyi⁷ Tedford et al. 2009 canine Osbornodon fricki⁸ Wang 1994 canid
Perissodactyla - Equidae	Desmatippus integer, Merychippus insignis² Desmatippus integer Matthew 1924 anchitheriine horse Merychippus insignis² Leidy 1856 horse Supplemental Table S1
Perissodactyla - Rhinocerotidae	Teleoceras medicornutum³, Peraceras profectum³, Aphelops megalodus³ Teleoceras medicornutum³ Osborn 1904 rhinoceros Peraceras profectum³ Matthew 1899 rhinoceros Aphelops megalodus³ Cope 1873 rhinoceros
Artiodactyla - Merycoidodontidae	Merychyus relictus⁵, Mediochoerus blicki n. sp., Ticholeptus zygomaticus⁴ Merychyus relictus⁵ Matthew and Cook 1909 oreodont Mediochoerus blicki n. sp. Schultz and Falkenbach 1941 oreodont see Schultz and Falkenbach 1941 Ticholeptus zygomaticus⁴ Cope 1878 oreodont
Artiodactyla - Antilocapridae	Merycodus sabulonis⁶ Merycodus sabulonis⁶ Matthew and Cook 1909 pronghorn see also Skinner et al. 1977
Artiodactyla - Leptomerycidae	Pseudoparablastomeryx scotti Pseudoparablastomeryx scotti Frick 1937 ruminant described by Taylor and Webb 1976
Rodentia - Castoridae	Monosaulax curtus¹ Monosaulax curtus¹ Matthew and Cook 1909 beaver

¹Evander 1999; ²Mihlbachler et al. 2011; ³Prothero 2005; ⁴Schultz and Falkenbach 1941; ⁵Schultz and Falkenbach 1947; ⁶Skinner and Taylor 1967; ⁷Tedford et al. 2009; ⁸Wang 1994; ⁹Wang et al. 1999