PBDB Collection

Humbug 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: 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 17955: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Mammalia
Perissodactyla - Rhinocerotidae	Teleoceras medicornutum⁴, Aphelops megalodus⁴ Teleoceras medicornutum⁴ Osborn 1904 rhinoceros Aphelops megalodus⁴ Cope 1873 rhinoceros
Perissodactyla - Chalicotheriidae	Moropus merriami¹ Moropus merriami¹ Holland and Peterson 1913 chalicothere
Perissodactyla - Equidae	Acritohippus isonesus³, Merychippus insignis³, Neohipparion sp.³, Scaphohippus intermontanus³, Hypohippus sp.³ Acritohippus isonesus³ Cope 1889 horse Supplemental Table S1 Merychippus insignis³ Leidy 1856 horse Supplemental Table S1 Neohipparion sp.³ Gidley 1903 hipparionine horse Supplemental Table S1 Scaphohippus intermontanus³ Merriam 1915 horse Supplemental Table S1 Hypohippus sp.³ Leidy 1858 anchitheriine horse Supplemental Table S1
Artiodactyla - Leptomerycidae	Pseudoparablastomeryx scotti¹⁰ Pseudoparablastomeryx scotti¹⁰ Frick 1937 ruminant
Artiodactyla - Tayassuidae	Hesperhys vagrans⁵ Hesperhys vagrans⁵ Douglass 1903 peccary
Artiodactyla - Merycoidodontidae	Brachycrus siouense⁷, Merychyus relictus⁹, Ticholeptus zygomaticus⁸ Brachycrus siouense⁷ Sinclair 1915 oreodont Merychyus relictus⁹ Matthew and Cook 1909 oreodont Ticholeptus zygomaticus⁸ Cope 1878 oreodont
Carnivora - Felidae	Pseudaelurus validus⁶ Pseudaelurus validus⁶ Rothwell 2001 cat F:AM 61834, 61829
Carnivora - Canidae	Cynarctoides acridens¹³, Tomarctus hippophaga¹³, Tomarctus brevirostris¹³, Psalidocyon marianae¹³, Euoplocyon brachygnathus¹³, Microtomarctus conferta¹³, Paracynarctus sinclairi¹³, Leptocyon leidyi¹¹, Osbornodon fricki¹² Cynarctoides acridens¹³ Barbour and Cook 1914 bone-crushing dog Tomarctus hippophaga¹³ Matthew and Cook 1909 bone-crushing dog Tomarctus brevirostris¹³ Cope 1873 bone-crushing dog Psalidocyon marianae¹³ Wang et al. 1999 bone-crushing dog Euoplocyon brachygnathus¹³ Douglass 1903 bone-crushing dog Microtomarctus conferta¹³ Matthew 1918 bone-crushing dog Paracynarctus sinclairi¹³ Wang et al. 1999 bone-crushing dog Leptocyon leidyi¹¹ Tedford et al. 2009 canine Osbornodon fricki¹² Wang 1994 canid
Carnivora - Amphicyonidae	Pliocyon sp.², Amphicyon sp.² Pliocyon sp.² Matthew 1918 bear-dog Amphicyon sp.² Lartet 1836 bear-dog

¹Coombs 2004; ²Hunt 1998; ³Mihlbachler et al. 2011; ⁴Prothero 2005; ⁵Prothero 2015; ⁶Rothwell 2001; ⁷Schultz and Falkenbach 1940; ⁸Schultz and Falkenbach 1941; ⁹Schultz and Falkenbach 1947; ¹⁰Taylor and Webb 1976; ¹¹Tedford et al. 2009; ¹²Wang 1994; ¹³Wang et al. 1999