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 (12.5 - 9.4 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
Mammalia | |
Russellagus sp. Storer 1970 pika
Hesperolagomys cf. galbreathi Clark et al. 1964 pika | |
Alilepus sp. Dice 1931 rabbit
Pronotolagus whitei n. sp. Korth 1998 rabbit
Hypolagus cf. vetus Kellogg 1910 rabbit | |
Megasminthus sp. Klingener 1966 jumping mouse | |
Antecalomys phthanus n. sp., "Copemys mariae" = Honeymys mariae, Copemys sp., "Tregomys shotwelli" = Copemys shotwelli, "Tregomys pisinnus" = Copemys pisinnus1
Antecalomys phthanus n. sp. Korth 1998 mouse
"Copemys mariae" = Honeymys mariae Baskin and Korth 1996 mouse
"Tregomys shotwelli" = Copemys shotwelli Wilson 1968 mouse | |
? Petauristodon sp., "Tamiini indet." = Marmotini13, Spermophilus cyanocittus3, Ammospermophilus junturensis, Protospermophilus cf. quatalensis
? Petauristodon sp. Engesser 1979 squirrel
Spermophilus cyanocittus3 Korth 1997 ground squirrel "S. (O.) sp." said to be new, not yet published when 1998 paper went to print
Ammospermophilus junturensis Shotwell and Russell 1963 antelope squirrel
Protospermophilus cf. quatalensis Gazin 1930 squirrel | |
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cf. Pseudotheridomys sp. Schlosser 1926 rodent | |
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi
"Phelosaccomys hibbardi" = Parapliosaccomys hibbardi Storer 1973 pocket gopher | |
"Mioheteromys cf. agrarius" = Diprionomys agrarius Wood 1935 rodent
Lignimus sp. Storer 1970 rodent
Cupidinimus prattensis n. sp. Korth 1998 rodent | |
"Eucastor planus" = Nothodipoides planus Stirton 1935 beaver
Dipoides tanneri n. sp. Korth 1998 beaver | |
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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Thamnophis sp.9, Xenodontinae indet.9, Micronatrix juliescottae n. gen. n. sp.9, Neonatrix cf. infera9, Nerodia sp.9, Nerodia hillmani9, cf. Tropidoclonion sp.9, Colubrinae indet.9, "Lampropeltis aff. getula" = Lampropeltis getulus9, Lampropeltis triangulum9, Ameiseophis robinsoni9, Paracoluber storeri9, Pituophis sp.9, Elaphe sp.9, Elaphe cf. kansensis9, Texasophis sp.9, cf. Opheodrys sp.9
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Amphibia | |
Varibatrachus abraczinskasae n. gen. n. sp.7
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