Echo Quarry (Miocene of the United States)

Where: Sioux County, Nebraska (42.2° N, 103.7° W: paleocoordinates 42.8° N, 100.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Olcott Formation, Barstovian (16.0 - 13.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17905: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Falconiformes - Falconidae
Pediohierax ramenta2 Wetmore 1936 raptor
Mammalia
 Rodentia - Castoridae
Monosaulax curtus8 Matthew and Cook 1909 beaver
 Perissodactyla - Chalicotheriidae
Moropus merriami4 Holland and Peterson 1913 chalicothere
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum10 Osborn 1904 rhinoceros
Aphelops megalodus10 Cope 1873 rhinoceros
 Perissodactyla - Equidae
Merychippus insignis13 Leidy 1856 horse
Acritohippus isonesus9 Cope 1889 horse
Supplemental Table S1
Desmatippus integer Matthew 1924 anchitheriine horse
Hypohippus sp.9 Leidy 1858 anchitheriine horse
Supplemental Table S1
 Carnivora - Amphicyonidae
Amphicyon sp.6 Lartet 1836 bear-dog
Pliocyon sp.6 Matthew 1918 bear-dog
Cynelos sp.6 Jourdan 1862 bear-dog
 Carnivora - Mustelidae
Leptarctus oregonensis3 Stock 1930 mustelid carnivore
 Carnivora - Canidae
Osbornodon fricki15 Wang 1994 canid
Leptocyon leidyi14 Tedford et al. 2009 canine
Psalidocyon marianae16 Wang et al. 1999 bone-crushing dog
Microtomarctus conferta16 Matthew 1918 bone-crushing dog
Euoplocyon brachygnathus16 Douglass 1903 bone-crushing dog
Tomarctus brevirostris16 Cope 1873 bone-crushing dog
Tomarctus hippophaga16 Matthew and Cook 1909 bone-crushing dog
 Carnivora - Felidae
Felidae indet.7 Gray 1821 cat
"probably the same" as species from East Cuyamungue
Pseudaelurus validus12 Rothwell 2001 cat
F:AM 61828
 Ungulata - Merycoidodontidae
Ticholeptus zygomaticus1 Cope 1878 oreodont
Brachycrus siouense Sinclair 1915 oreodont
Merychyus relictus Matthew and Cook 1909 oreodont
see Schultz and Falkenbach 1947
 Ungulata - Tayassuidae
Prosthennops xiphodonticus1 Barbour 1925 peccary
Hesperhys vagrans11 Douglass 1903 peccary
F:AM 143831
 Ungulata - Protoceratidae
Lambdoceras siouxensis1 Frick 1937 protoceratid
 Ungulata - Palaeomerycidae
Sinclairomeryx sp. Frick 1937 ruminant
"Dromomeryx whitfordi" = Dromomeryx borealis Cope 1877 ruminant
see also Frick 1937
Bouromeryx americanus1 Douglass 1899 ruminant
 Ungulata - Antilocapridae
Paracosoryx wilsoni5 Frick 1937 pronghorn
 Ungulata - Moschidae
"Blastomeryx cf. elegans" = Blastomeryx gemmifer
"Blastomeryx cf. elegans" = Blastomeryx gemmifer Cope 1874 musk deer
see also Frick 1937