Pratt Quarry: Late/Upper Clarendonian, Nebraska
collected by C. E. Rudnick 1994
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Cranioceras mefferdi
Frick 1937
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= Cranioceratinae indet.
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Frick 1937 | |||||||||
"tentatively referred" on basis of one astragalus; from "Pratt Ranch, north of Johnstown, Brown County" | ||||||||||
Cosoryx furcatus
Leidy 1869
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= Merycodontini indet.
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Frick 1937 | |||||||||
postcrania from "McConnell's Ranch, Brown County" | ||||||||||
Reptilia
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Crocodylia indet.
(Owen 1842)
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Whiting and Head 2020 | |||||||||
UNSM 135024 and 135025 | ||||||||||
Reptilia
- Colubridae
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Micronatrix juliescottae n. gen., n. sp.
Parmley and Hunter 2010
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Parmley and Hunter 2010 | 5 specimens | ||||||||
Neonatrix cf. infera
Holman 1996
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Parmley and Hunter 2010 | 3 specimens | ||||||||
cf. Tropidoclonion sp.
Cope 1860
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Parmley and Hunter 2010 | 1 specimen | ||||||||
Nerodia sp.
Baird and Girard 1853
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Parmley and Hunter 2010 | 1 specimen | ||||||||
Nerodia hillmani
(Wilson 1968)
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Parmley and Hunter 2010 | 6 specimens | ||||||||
Thamnophis sp.
Fitzinger 1843
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Parmley and Hunter 2010 | 12 specimens | ||||||||
Xenodontinae indet.
Bonaparte 1845
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Parmley and Hunter 2010 | 15 specimens | ||||||||
Colubrinae indet.
Oppel 1811
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Parmley and Hunter 2010 | 2 specimens | ||||||||
Coluber or Masticophis | ||||||||||
Ameiseophis robinsoni
Holman 1976
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Parmley and Hunter 2010 | 3 specimens | ||||||||
Lampropeltis triangulum
Lacépède 1788
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Parmley and Hunter 2010 | 3 specimens | ||||||||
Lampropeltis aff. getula
(Linnaeus 1766)
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Parmley and Hunter 2010 | 3 specimens | ||||||||
recombined as Lampropeltis getulus | ||||||||||
Texasophis sp.
Holman 1977
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Parmley and Hunter 2010 | 1 specimen | ||||||||
Elaphe sp.
Wagler 1833
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Parmley and Hunter 2010 | 6 specimens | ||||||||
Elaphe cf. kansensis
(Gilmore 1938)
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Parmley and Hunter 2010 | 2 specimens | ||||||||
Paracoluber storeri
Holman 1970
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Parmley and Hunter 2010 | 2 specimens | ||||||||
Pituophis sp.
Holbrook 1842
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Parmley and Hunter 2010 | 3 specimens | ||||||||
cf. Opheodrys sp.
Fitzinger 1843
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Parmley and Hunter 2010 | 1 specimen | ||||||||
Reptilia
- Boidae
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Erycinae indet.
Bonaparte 1825
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Parmley and Hunter 2010 | 3 specimens | ||||||||
Calamagras or Ogmophis | ||||||||||
Tregophis brevirachis
Holman 1975
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Parmley and Hunter 2010 | 3 specimens | ||||||||
Reptilia
- Crotalidae
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Sistrurus sp.
Garman 1883
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Parmley and Holman 2007 | 1 specimen | ||||||||
cf. Agkistrodon sp.
(Huxley 1865)
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Parmley and Hunter 2010 | 2 specimens | ||||||||
nomen dubium belonging to Crocopoda | ||||||||||
cf. Crotalus sp.
Linnaeus 1758
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Parmley and Hunter 2010 | 2 specimens | ||||||||
Mammalia
- Chiroptera
- Vespertilionidae
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Lasiurus sp.
Gray 1831
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Czaplewski et al. 1999 | |||||||||
a bat | ||||||||||
Mammalia
- Carnivora
- Canidae
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Epicyon saevus
(Leidy 1858)
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Wang et al. 1999 | |||||||||
also at "Cap Rock Member... McConnel Place" and "Pratt Slide, Plum Creek" | ||||||||||
Epicyon haydeni
(Leidy 1858)
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Wang et al. 1999 | |||||||||
"Pratt Slide Quarry"; "Pratt Quarry"; and "Pratt Place" | ||||||||||
Leptocyon matthewi
Tedford et al. 2009
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Tedford et al. 2009 | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Cormohipparion occidentale
(Leidy 1856)
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1 | ||||||||||
Nannippus sp.
(Matthew 1926)
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1 | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras major
Hatcher 1894
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Mead 1999 | |||||||||
Aphelops megalodus
(Cope 1873)
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Prothero 2005 | |||||||||
Mammalia
- Perissodactyla
- Tapiridae
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Tapirus johnsoni
Schultz et al. 1975
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Czaplewski et al. 1999 | |||||||||
Mammalia
- Talpidae
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Domninoides mimicus
Wilson 1968
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Rudnick 1992 | |||||||||
Mystipterus sp.
Hall 1930
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Rudnick 1992 | |||||||||
Scalopoides sp.
Wilson 1960
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Rudnick 1992 | |||||||||
form A sensu Hutchison | ||||||||||
Scalopoides ripafodiator
Hutchison 1968
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Rudnick 1992 | |||||||||
Mammalia
- Rodentia
- Sciuridae
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Protospermophilus cf. quatalensis
(Gazin 1930)
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cf. Sciurion sp.
Skwara 1986
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= Tamiini indet.
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Tedrow et al. 2001 | |||||||||
synonym of Marmotini | ||||||||||
possibly Paratamias, but not P. tarassus | ||||||||||
Ammospermophilus junturensis
(Shotwell and Russell 1963)
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(1 measurement) | ||||||||||
Spermophilus cyanocittus
Korth 1997
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Korth 1997 | |||||||||
"S. (O.) sp." said to be new, not yet published when 1998 paper went to print | ||||||||||
? Petauristodon sp.
Engesser 1979
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Mammalia
- Rodentia
- Castoridae
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Hystricops venustus
(Leidy 1858)
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see also Korth 1997b (5 measurements) | ||||||||||
Dipoides tanneri n. sp.
Korth 1998
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(6 measurements) | ||||||||||
Eucastor planus
Stirton 1935
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recombined as Nothodipoides planus | ||||||||||
(6 measurements) | ||||||||||
Mammalia
- Rodentia
- Heteromyidae
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Cupidinimus prattensis n. sp.
Korth 1998
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(6 measurements) | ||||||||||
Mioheteromys cf. agrarius
(Wood 1935)
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original and current combination Diprionomys agrarius | ||||||||||
Lignimus sp.
Storer 1970
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Mammalia
- Rodentia
- Geomyidae
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Phelosaccomys hibbardi
(Storer 1973)
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recombined as Parapliosaccomys hibbardi | ||||||||||
(6 measurements) | ||||||||||
Mammalia
- Rodentia
- Eomyidae
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cf. Pseudotheridomys sp.
Schlosser 1926
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Mammalia
- Rodentia
- Cricetidae
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Copemys sp.
Wood 1936
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large | ||||||||||
Tregomys shotwelli
Wilson 1968
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recombined as Copemys shotwelli | ||||||||||
(1 measurement) | ||||||||||
Copemys pisinnus
Wilson 1968
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(1 measurement) | ||||||||||
= Tregomys pisinnus
Wilson 1968
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Alroy 2002 | |||||||||
original and current combination Copemys pisinnus | ||||||||||
Antecalomys phthanus n. sp.
Korth 1998
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(6 measurements) | ||||||||||
Copemys mariae
Baskin and Korth 1996
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recombined as Honeymys mariae | ||||||||||
(1 measurement) | ||||||||||
Mammalia
- Rodentia
- Zapodidae
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Megasminthus sp.
Klingener 1966
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Mammalia
- Rodentia
- Mylagaulidae
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Mylagaulus monodon
Cope 1881
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= Ceratogaulus anecdotus
Korth 2000
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Korth 2000 | |||||||||
in part; "Epigaulus minor" of Korth 1997b | ||||||||||
Pterogaulus barbarellae
Korth 2000
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Korth 2000 | |||||||||
"Mylagaulus monodon" in part | ||||||||||
Mammalia
- Lagomorpha
- Ochotonidae
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Russellagus sp.
Storer 1970
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Hesperolagomys cf. galbreathi
Clark et al. 1964
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Mammalia
- Lagomorpha
- Leporidae
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Alilepus sp.
Dice 1931
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Pronotolagus whitei n. sp.
Korth 1998
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(1 measurement) | ||||||||||
Hypolagus cf. vetus
(Kellogg 1910)
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Amphibia
- Temnospondyli
- Pelobatidae
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Spea sp.
Cope 1866
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Parmley et al. 2015 | 1 specimen | ||||||||
Amphibia
- Temnospondyli
- Bufonidae
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Bufo sp.
Laurenti 1768
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Parmley et al. 2015 | 7 specimens | ||||||||
Bufo pliocompactilis
Wilson 1968
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Parmley et al. 2015 | 9 specimens | ||||||||
Amphibia
- Temnospondyli
- Ranidae
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Rana sp.
Linnaeus 1758
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Parmley et al. 2015 | 75 specimens | ||||||||
Rana s.l. (Lithobates and Rana) Linnaeus, 1758 | ||||||||||
Amphibia
- Temnospondyli
- Hylidae
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Hyla sp.
Laurenti 1768
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Parmley et al. 2015 | 1 specimen | ||||||||
cf. Acris sp.
Dumeril and Bibron 1841
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Parmley et al. 2015 | 1 specimen | ||||||||
Amphibia
- Temnospondyli
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Varibatrachus abraczinskasae n. gen., n. sp.
Parmley et al. 2015
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Parmley et al. 2015 | 1 specimen | ||||||||
Amphibia
- Temnospondyli
- Tregobatrachidae
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Tregobatrachus sp.
Holman 1975
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Parmley et al. 2015 | 1 specimen | ||||||||
see common names |
Geography
Country: | United States | State/province: | Nebraska | County: | Brown |
Coordinates: | 42.6° North, 100.1° West (view map) | ||||
Paleocoordinates: | 43.1° North, 97.4° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
*Period: | Tertiary | *Local age/stage: | Late/Upper Clarendonian |
Key time interval: | Late/Upper Clarendonian | ||
Age range of interval: | 13.60000 - 10.30000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Ash Hollow | Member: | Merritt Dam | ||
Local section: | ValAH | Local bed: | 6 | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: 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 |
Lithology and environment
Primary lithology: | "siliciclastic" |
Environment: | "channel" |
Geology comments: "fluvial channel fill" (Parmley and Holman 2007) |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection excludes: | some genera | ||
Collection methods: | bulk,sieve | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | UNSM | ||
Collectors: | C. E. Rudnick | Collection dates: | 1994 |
Collection method comments: a "sediment screened fauna [was] collected by Rudick (1994)" (Parmley and Holman 2007) | |||
Taxonomic list comments:talpids, rodents, and lagomorphs only |
Metadata
Also known as: | Pratt Slide; McConnell Slide; UNSM Bw-123 | ||
Database number: | 18327 | ||
Authorizer: | J. Alroy, J. Marcot, P. Mannion, P. Holroyd | Enterer: | J. Alroy, P. Mannion, P. Holroyd, J. Marcot |
Modifier: | P. Mannion | Research group: | vertebrate |
Created: | 1995-03-26 00:00:00 | Last modified: | 2020-06-22 10:10:05 |
Access level: | the public | Released: | 1995-03-26 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2136. | 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] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
1297 | ETE 1534 | N. J. Czaplewski, B. E. Bailey, and R. G. Corner. 1999. Tertiary bats (Mammalia: Chiroptera) from northern Nebraska. Transactions of the Nebraska Academy of Sciences 25:83-93 [J. Alroy/J. Alroy/J. Alroy] |
6222 | C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen] | |
2133 | W. W. Korth. 1997. Additonal rodents (Mammalia) from the Clarendonian (Miocene) of northcentral Nebraska and a review of Clarendonian rodent biostratigraphy of that area. Paludicola 1(3):97-111 [J. Alroy/J. Alroy/M. Uhen] | |
2143 | 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] | |
2546 | 5% 1540 | A. J. Mead. 1999. Enamel hypoplasia in Miocene rhinoceroses (Teleoceras) from Nebraska; evidence of severe physiological stress. Journal of Vertebrate Paleontology 19(2):391-397 [J. Alroy/J. Alroy/M. Carrano] |
61275 | M. C. Mihlbachler, F. Rivals, N. Solounias and G. M. Semprebon. 2011. Dietary Change and Evolution of Horses in North America. Science 331:1178-1181 [J. Marcot/J. Marcot] | |
71281 | D. Parmley, R. Chandler, and L. Chandler. 2015. Fossil Frogs of the Late Clarendonian (Late Miocene) Pratt Slide Local Fauna of Nebraska, with the Description of a New Genus. Journal of Herpetology 49(1):143-149 [P. Holroyd/P. Holroyd] | |
26118 | D. Parmley and J. A. Holman. 2007. Earliest Fossil Record of a Pigmy Rattlesnake (Viperidae: Sistrurus Garman). Journal of Herpetology 41(1):141-144 [J. Alroy/J. Alroy] | |
35340 | D. Parmley and K. B. Hunter. 2010. Fossil snakes of the Clarendonian (late Miocene) Pratt Slide local fauna of Nebraska, with the description of a new natricine colubrid. Journal of Herpetology 44(4):526-543 [J. Alroy/J. Alroy] | |
51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
2989 | C. Rudnick. 1992. Moles (Talpidae) from the Late Clarendonian Pratt Quarry, north central Nebraska. Proceedings of the Nebraska Academy of Sciences 112:71 [J. Alroy/J. Alroy/M. Uhen] | |
52058 | R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd] | |
6770 | A. R. Tedrow, S. F. Robison, and W. W. Korth. 2001. Early Hemphillian (late Miocene) sciurid rodents (Mammalia) from southeastern Idaho. Paludicola 3(3):80-94 [J. Alroy/J. Alroy/J. Alroy] | |
3558 | X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy] | |
72834 | E. T. Whiting and J. J. Head. 2020. Neogene crocodylians from the Central Great Plains: spatiotemporal histories and relationships with regional climatic and environmental changes. Journal of Vertebrate Paleontology 40(1):e1764007:1-14 [P. Mannion/P. Mannion/P. Mannion] |