Xmas Quarry (Miocene of the United States)
Also known as Xmas Channel
Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.3° N, 98.2° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Merritt Dam Member (Ash Hollow Formation), Clarendonian (13.6 - 10.3 Ma)
Environment/lithology: terrestrial
Primary reference: W. W. Korth. 2000. Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska. Annals of Carnegie Museum 69(4):227-280 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 18496: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
• "at least 29 catalog numbers": Skinner and Johnson 1984 - this is surely a gross underestimate
Show authors, comments, and common names
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Mammalia | |
"Amebelodon barbourensis n. sp." = Serbelodon barbourensis11
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Aelurodon taxoides13, Epicyon saevus13, Epicyon haydeni13, Paratomarctus euthos13, Leptocyon matthewi12
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Hypohippus sp.7, Protohippus cf. gidleyi6, Calippus cerasinus5, Cormohipparion matthewi n. sp.16, "Hippotherium occidentale" = Cormohipparion occidentale15, Pseudhipparion gratum6, Pseudhipparion skinneri14, Neohipparion trampasense4, Hippotherium sp.1
Cormohipparion matthewi n. sp.16 Woodburne 2007 hipparionine horse Type locality listed as XMas-Kat quarries. Specimen is listed from Xmas quarry in AMNH catalog on their public website
Hippotherium sp.1 Kaup 1832 hipparionine horse JA pers. obs. 12.7.96: new small, short notch species; my split of "occidentale" into large and small morphs appears to match arrangement of Woodburne 1996a exactly, and Woodburne assigns type to large morph
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Skinnerhyus shermerorum9 Prothero and Pollen 2013 peccary Machaerodus Quarry form; species "A" and/or "B" of Wright 1983
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Parablastomeryx gregorii n. sp.3
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Pterogaulus barbarellae n. sp.
Pterogaulus barbarellae n. sp. Korth 2000 rodent |
1Alroy 2002; 2Antón et al. 2013; 3Frick 1937; 4Hulbert 1987; 5Hulbert 1988; 6Hulbert 1989; 7Hussain 1975; 8Prothero 2005; 9Prothero and Pollen 2013; 10Schultz and Falkenbach 1941; 11Skinner and Johnson 1984; 12Tedford et al. 2009; 13Wang et al. 1999; 14Webb and Hulbert 1986; 15Woodburne 1996; 16Woodburne 2007; 17Wright 1998