Echo Quarry: Early/Lower Barstovian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Castoridae
Monosaulax curtus (Matthew and Cook 1909)
Korth 1999
Mammalia - Perissodactyla - Rhinocerotidae
Aphelops megalodus (Cope 1873)
Prothero 2005
Teleoceras medicornutum Osborn 1904
Prothero 2005
Mammalia - Perissodactyla - Chalicotheriidae
Moropus sp. Marsh 1877
    = Moropus merriami Holland and Peterson 1913
Coombs 2004
Mammalia - Perissodactyla - Equidae
Desmatippus integer (Matthew 1924)
Hypohippus sp. (Leidy 1858)
Mihlbachler et al. 2011
original and current combination Anchitherium (Hypohippus)
Supplemental Table S1
Merychippus insignis Leidy 1856
Skinner and Taylor 1967
(6 measurements)
Acritohippus isonesus (Cope 1889)
Mihlbachler et al. 2011
Supplemental Table S1
Mammalia - Tayassuidae
Dyseohyus stirtoni Woodburne 1969
synonym of Stirtonhyus xiphodonticus
(1 measurement)
Hesperhys vagrans Douglass 1903
Prothero 2015
F:AM 143831
Mammalia - Protoceratidae
Prosynthetoceras siouxensis (Frick 1937)
recombined as Lambdoceras siouxensis
Mammalia - Moschidae
Blastomeryx cf. elegans Matthew and Cook 1909
synonym of Blastomeryx gemmifer
see also Frick 1937
Mammalia - Palaeomerycidae
Bouromeryx nebrascensis n. sp.
Dromomeryx whitfordi Sinclair 1915
synonym of Dromomeryx borealis
see also Frick 1937
Sinclairomeryx sp. Frick 1937
Mammalia - Antilocapridae
Cosoryx (Paracosoryx) wilsoni Frick 1937
Frick 1937
Mammalia - Merycoidodontidae
Ticholeptus hypsodus Loomis 1924
synonym of Ticholeptus zygomaticus
see Schultz and Falkenbach 1941
Merychyus relictus (Matthew and Cook 1909)
see Schultz and Falkenbach 1947
Brachycrus siouense (Sinclair 1915)
Mammalia - Carnivora - Felidae
Felidae indet. Gray 1821
Hunt 1998
"probably the same" as species from East Cuyamungue
Pseudaelurus validus Rothwell 2001
Rothwell 2001
F:AM 61828
Mammalia - Carnivora - Amphicyonidae
Amphicyon sp. Lartet 1836
Hunt 1998
Cynelos sp. Jourdan 1862
Hunt 1998
Pliocyon sp. Matthew 1918
Hunt 1998
Mammalia - Carnivora - Mustelidae
Leptarctus oregonensis Stock 1930
Calede et al. 2017
Mammalia - Carnivora - Canidae
Leptocyon vafer (Leidy 1858)
Wang 1993
    = Leptocyon leidyi Tedford et al. 2009
Tedford et al. 2009
L. leidyi listed from this collection, but not L. vafer
Osbornodon fricki Wang 1994
Wang 1994
Microtomarctus conferta (Matthew 1918)
Wang et al. 1999
Euoplocyon brachygnathus (Douglass 1903)
Wang et al. 1999
Psalidocyon marianae Wang et al. 1999
Wang et al. 1999
Tomarctus brevirostris Cope 1873
Wang et al. 1999
Tomarctus hippophaga (Matthew and Cook 1909)
Wang et al. 1999
Reptilia - Falconidae
Pediohierax ramenta (Wetmore 1936)
Becker 1987
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:15.97000 - 13.60000 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, J. Marcot, P. Holroyd 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]