Echo Quarry: Early/Lower Barstovian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Falconidae
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Pediohierax ramenta
(Wetmore 1936)
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Becker 1987 | |||||||||
Mammalia
- Rodentia
- Castoridae
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Monosaulax curtus
(Matthew and Cook 1909)
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Korth 1999 | |||||||||
Mammalia
- Carnivora
- Amphicyonidae
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Pliocyon sp.
Matthew 1918
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Hunt 1998 | |||||||||
Amphicyon sp.
Lartet 1836
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Hunt 1998 | |||||||||
Cynelos sp.
Jourdan 1862
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Hunt 1998 | |||||||||
Mammalia
- Carnivora
- Mustelidae
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Leptarctus oregonensis
Stock 1930
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Calede et al. 2017 | |||||||||
Mammalia
- Carnivora
- Felidae
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Felidae indet.
Gray 1821
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Hunt 1998 | |||||||||
"probably the same" as species from East Cuyamungue | ||||||||||
Pseudaelurus validus
Rothwell 2001
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Rothwell 2001 | |||||||||
F:AM 61828 | ||||||||||
Mammalia
- Carnivora
- Canidae
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Leptocyon vafer
(Leidy 1858)
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Wang 1993 | |||||||||
= Leptocyon leidyi
Tedford et al. 2009
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Tedford et al. 2009 | |||||||||
L. leidyi listed from this collection, but not L. vafer | ||||||||||
Osbornodon fricki
Wang 1994
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Wang 1994 | |||||||||
Tomarctus brevirostris
Cope 1873
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Wang et al. 1999 | |||||||||
Tomarctus hippophaga
(Matthew and Cook 1909)
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Wang et al. 1999 | |||||||||
Euoplocyon brachygnathus
(Douglass 1903)
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Wang et al. 1999 | |||||||||
Microtomarctus conferta
(Matthew 1918)
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Wang et al. 1999 | |||||||||
Psalidocyon marianae
Wang et al. 1999
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Wang et al. 1999 | |||||||||
Mammalia
- Merycoidodontidae
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Brachycrus siouense
(Sinclair 1915)
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Merychyus relictus
(Matthew and Cook 1909)
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see Schultz and Falkenbach 1947 | ||||||||||
Ticholeptus hypsodus
Loomis 1924
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synonym of Ticholeptus zygomaticus | ||||||||||
see Schultz and Falkenbach 1941 | ||||||||||
Mammalia
- Moschidae
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Blastomeryx cf. elegans
Matthew and Cook 1909
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synonym of Blastomeryx gemmifer | ||||||||||
see also Frick 1937 | ||||||||||
Mammalia
- Antilocapridae
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Cosoryx (Paracosoryx) wilsoni
Frick 1937
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Frick 1937 | |||||||||
Mammalia
- Palaeomerycidae
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Dromomeryx whitfordi
Sinclair 1915
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synonym of Dromomeryx borealis | ||||||||||
see also Frick 1937 | ||||||||||
Bouromeryx nebrascensis n. sp.
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Sinclairomeryx sp.
Frick 1937
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Mammalia
- Protoceratidae
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Prosynthetoceras siouxensis
(Frick 1937)
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recombined as Lambdoceras siouxensis | ||||||||||
Mammalia
- Tayassuidae
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Dyseohyus stirtoni
Woodburne 1969
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synonym of Stirtonhyus xiphodonticus | ||||||||||
(1 measurement) | ||||||||||
Hesperhys vagrans
Douglass 1903
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Prothero 2015 | |||||||||
F:AM 143831 | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Hypohippus sp.
(Leidy 1858)
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Mihlbachler et al. 2011 | |||||||||
original and current combination Anchitherium (Hypohippus) | ||||||||||
Supplemental Table S1 | ||||||||||
Desmatippus integer
(Matthew 1924)
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Acritohippus isonesus
(Cope 1889)
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1 | ||||||||||
Merychippus insignis
Leidy 1856
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Skinner and Taylor 1967 | |||||||||
(6 measurements) | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras medicornutum
Osborn 1904
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Prothero 2005 | |||||||||
Aphelops megalodus
(Cope 1873)
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Prothero 2005 | |||||||||
Mammalia
- Perissodactyla
- Chalicotheriidae
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Moropus sp.
Marsh 1877
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= Moropus merriami
Holland and Peterson 1913
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Coombs 2004 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Nebraska | County: | Sioux |
Coordinates: | 42.2° North, 103.7° West (view map) | ||||
Paleocoordinates: | 42.8° North, 100.5° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
*Period: | Late/Upper Tertiary | *Local age/stage: | Barstovian |
Key time interval: | Early/Lower Barstovian | ||
Age range of interval: | 16.30000 - 12.50000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Olcott |
Stratigraphic resolution: | member |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 17905 | ||
Authorizer: | J. Alroy, P. Holroyd, J. Marcot | Enterer: | J. Alroy, J. Marcot, P. Holroyd |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2022-04-27 08:16:42 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3175. | M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
25721 | J. J. Becker. 1987. Revision of "Falco" ramenta Wetmore and the Neogene evolution of the Falconidae. Auk 104(2):270-276 [J. Alroy/J. Alroy] | |
64843 | J. J. Calede, W. A. Kehl, and E. B. Davis. 2017. Craniodental morphology and diet of Leptarctus oregonensis (Mammalia, Carnivora, Mustelidae) from the Mascall Formation (Miocene) of central Oregon. Journal of Paleontology 1-16 [P. Holroyd/P. Holroyd] | |
17216 | M. C. Coombs. 2004. Moropus merriami in the early Barstovian Lower Snake Creek fauna of Nebraska, with comments on biogeography of North American chalicotheres. Bulletin of the American Museum of Natural History 285:191-208 [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] | |
1977 | R. M. Hunt, Jr. 1998. Amphicyonidae. 196-227 [J. Alroy/J. Alroy/J. Alroy] | |
1978 | R. M. Hunt, Jr. 1998. Evolution of the aeluroid Carnivora: diversity of the earliest aeluroids from Eurasia (Quercy, Hsanda-Gol) and the origin of felids. American Museum Novitates 3252:1-65 [J. Alroy/J. Alroy/J. Alroy] | |
2138 | W. W. Korth. 1999. A new species of beaver (Rodentia, Castoridae) from the earliest Barstovian (Miocene) of Nebraska and the phylogeny of Monosaulax Stirton. Paludicola 2(3):258-264 [J. Alroy/J. Alroy/M. Uhen] | |
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] | |
51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
61396 | D. R. Prothero. 2015. Evolution of the Early Miocene Hesperhyine Peccaries. New Mexico Museum of Natural History and Science Bulletin 67:235-255 [J. Marcot/J. Marcot] | |
52057 | T. M. Rothwell. 2001. A Partial Skeleton of Pseudaelurus (Carnivora: Felidae) from the Nambé Member of the Tesuque Formation, Española Basin, New Mexico. American Museum Novitates 3342:1-31 [J. Marcot/J. Marcot] | |
3176 | M. F. Skinner and B. E. Taylor. 1967. A revision of the geology and paleontology of the Bijou Hills, South Dakota. American Museum Novitates 2300:1-53 [J. Alroy/J. Alroy/J. Alroy] | |
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] | |
3550 | X. Wang. 1993. Transformation from plantigrady to digitigrady : functional morphology of locomotion in Hesperocyon (Canidae, Carnivora). American Museum Novitates 3069 [J. Alroy/J. Alroy/J. Ju] | |
6226 | X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [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] | |
9612 | M. O. Woodburne. 2003. Craniodental analysis of Merychippus insignis and Cormohipparion goorisi (Mammalia, Equidae), Barstovian, North America. Bulletin of the American Museum of Natural History 279:397-468 [J. Alroy/J. Alroy/J. Alroy] |