Also known as Pratt Slide; McConnell Slide; UNSM Bw-123
Where: Brown County, Nebraska (42.6° N, 100.1° W: paleocoordinates 43.1° N, 97.4° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Merritt Dam Member (Ash Hollow Formation), Late/Upper Clarendonian (13.6 - 10.3 Ma)
• said to be late Clarendonian
•although Rudnick does not indicate the formation, this is clearly the same as Pratt Quarry of Skinner and Johnson 1984
• bed-level stratigraphic resolution
Environment/lithology: "channel"; siliciclastic sediments
Size classes: macrofossils, mesofossils
Collected by C. E. Rudnick in 1994; reposited in the UNSM
Collection methods: bulk, sieve
• a "sediment screened fauna [was] collected by Rudick (1994)" (Parmley and Holman 2007)
Primary reference: W. W. Korth. 1998. Rodents and lagomorphs (Mammalia) from the Late Clarendonian (Miocene) Ash Hollow Formation, Brown County, Nebraska. Annals of Carnegie Museum 67(4):299-348 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 18327: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot, Patricia Holroyd and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
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Varibatrachus abraczinskasae n. gen. n. sp.7
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Mammalia | |
"Tamiini indet." = Marmotini13, Ammospermophilus junturensis, Spermophilus cyanocittus3, Protospermophilus cf. quatalensis, ? Petauristodon sp.
Ammospermophilus junturensis Shotwell and Russell 1963 antelope squirrel
Spermophilus cyanocittus3 Korth 1997 ground squirrel "S. (O.) sp." said to be new, not yet published when 1998 paper went to print
Protospermophilus cf. quatalensis Gazin 1930 squirrel
? Petauristodon sp. Engesser 1979 squirrel | |
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi Storer 1973 pocket gopher | |
Lignimus sp. Storer 1970 rodent
"Mioheteromys cf. agrarius" = Diprionomys agrarius Wood 1935 rodent
Cupidinimus prattensis n. sp. Korth 1998 rodent | |
cf. Pseudotheridomys sp. Schlosser 1926 rodent | |
Dipoides tanneri n. sp. Korth 1998 beaver
"Eucastor planus" = Nothodipoides planus Stirton 1935 beaver | |
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Megasminthus sp. Klingener 1966 jumping mouse | |
Copemys sp., "Tregomys shotwelli" = Copemys shotwelli, "Tregomys pisinnus" = Copemys pisinnus1, Antecalomys phthanus n. sp., "Copemys mariae" = Honeymys mariae
"Tregomys shotwelli" = Copemys shotwelli Wilson 1968 mouse
Antecalomys phthanus n. sp. Korth 1998 mouse
"Copemys mariae" = Honeymys mariae Baskin and Korth 1996 mouse | |
Hypolagus cf. vetus Kellogg 1910 rabbit
Pronotolagus whitei n. sp. Korth 1998 rabbit
Alilepus sp. Dice 1931 rabbit | |
Hesperolagomys cf. galbreathi Clark et al. 1964 pika
Russellagus sp. Storer 1970 pika | |
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Epicyon haydeni14 Leidy 1858 bone-crushing dog "Pratt Slide Quarry"; "Pratt Quarry"; and "Pratt Place"
Epicyon saevus14 Leidy 1858 bone-crushing dog also at "Cap Rock Member... McConnel Place" and "Pratt Slide, Plum Creek"
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Reptilia | |
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Colubrinae indet.9, Elaphe sp.9, Elaphe cf. kansensis9, Paracoluber storeri9, Ameiseophis robinsoni9, Lampropeltis triangulum9, "Lampropeltis aff. getula" = Lampropeltis getulus9, Pituophis sp.9, Texasophis sp.9, cf. Opheodrys sp.9, Micronatrix juliescottae n. gen. n. sp.9, Nerodia sp.9, Nerodia hillmani9, Neonatrix cf. infera9, cf. Tropidoclonion sp.9, Thamnophis sp.9, Xenodontinae indet.9
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