Keeline ( of the United States)
Also known as Quarry Z
Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 43.9° N, 99.4° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Harrison Formation, Harrisonian (24.8 - 18.5 Ma)
• said to be late Arikareean
Environment/lithology: terrestrial
Primary reference: J. H. Wahlert and R. A. Souza. 1988. Skull morphology of Gregorymys and relationships of the Entoptychinae (Rodentia, Geomyidae). American Museum Novitates 2922:1-13 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17794: authorized by John Alroy, entered by John Alroy on 07.06.1994, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
• on the Pine Ridge Escarpment according to Schultz and Falkenbach 1950
virtually all Keeline records appear to be from a single F:AM "North of Keeline" locality
virtually all Keeline records appear to be from a single F:AM "North of Keeline" locality
Show authors, comments, and common names
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Protoceras neatodelpha n. sp.8
Protoceras neatodelpha n. sp.8 Patton and Taylor 1973 protoceratid N of Keeline, Niobrara Co., in Harrison Fm. "equivalent"
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Desmatochoerus curvidens13, "Promerycochoerus carrikeri" = Promerycochoerus carrikeri11, "Promerycochoerus (Parapromerycochoerus) barbouri n. sp." = Promerycochoerus carrikeri11, "Paramerychyus harrisonensis" = Paramerychyus harrisonensis10, "Merychyus siouxensis" = Paramerychyus harrisonensis10, "Merychyus crabilli" = Merychyus calaminthus10, Phenacocoelus typus12
Desmatochoerus curvidens13 Thorpe 1921 oreodont as ssp. Desmatochoerus curvidens gregoryi; N of Keeline, Niobrara Co.
"Promerycochoerus carrikeri" = Promerycochoerus carrikeri11 Peterson 1907 oreodont "N. of Keeline" and "Quarry 'Z,' N. of Keeline"
"Promerycochoerus (Parapromerycochoerus) barbouri n. sp." = Promerycochoerus carrikeri11 Peterson 1907 oreodont Harrison Fm. N of Keeline
"Paramerychyus harrisonensis" = Paramerychyus harrisonensis10 Peterson 1907 oreodont "Z Quarry" N of Keeline
"Merychyus siouxensis" = Paramerychyus harrisonensis10 Peterson 1907 oreodont "N. of Keeline" and "8 mi. S.W. of Keeline" in Niobrara Co.
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Cormocyon haydeni16, Leptocyon gregorii14, Paraenhydrocyon josephi15, Paraenhydrocyon wallovianus15, Enhydrocyon crassidens15
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Mammacyon ferocior n. sp.5
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Gregorymys formosus Matthew 1907 rodent |
1Albright 1998; 2Albright 1999; 3Frick 1937; 4Frick and Taylor 1968; 5Hunt 2011; 6Hunt and Skolnick 1996; 7MacFadden 2001; 8Patton and Taylor 1973; 9Prothero 2005; 10Schultz and Falkenbach 1947; 11Schultz and Falkenbach 1949; 12Schultz and Falkenbach 1950; 13Schultz and Falkenbach 1954; 14Tedford et al. 2009; 15Wang 1994; 16Wang et al. 1999