Also known as Bird Bone Quarry; CIT 460; Clay Bank Quarry (= Grey's Ranch); Concretion Quarry; Horseshoe Quarry; Split Cliff Quarry; UALP 2; Ward's Prospect
Where: Mohave County, Arizona (34.7° N, 113.4° W: paleocoordinates 35.1° N, 111.8° W)
• coordinate based on political unit
When: Big Sandy Formation, Late/Upper Hemphillian (10.3 - 4.9 Ma)
Environment/lithology: terrestrial
Primary reference: B. J. MacFadden, N. M. Johnson, and N. D. Opdyke. 1979. Magnetic polarity stratigraphy of the Mio-Pliocene mammal-bearing Big Sandy Formation of western Arizona. Earth and Planetary Science Letters 44(3):349-364 [J. Alroy/J. Alroy/J. Marcot]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 19612: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
"Canis cf. lepophagus" mentioned in text but omitted from faunal list
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Gomphotheriidae indet. Hay 1922 gomphothere | |
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Rodentia indet. Bowdich 1821 rodent | |
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Pliotaxidea cf. nevadensis Butterworth 1916 badger
Martes sp. Frisch 1775 marten | |
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Pliogale furlongi Merriam 1911 skunk | |
"Pseudaelurus" sp., Adelphailurus kansensis, "Machairodus coloradensis" = Amphimachairodus coloradensis
Adelphailurus kansensis Hibbard 1934 cat
"Machairodus coloradensis" = Amphimachairodus coloradensis Cook 1922 cat | |
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"Canis ferox" = Eucyon ferox5 Miller and Carranza-Castaneda 1998 canine Bird Bone Quarry;Clay Bank Quarry;Gray’s Ranch Quarry stratum 3;
Borophagus parvus6 Wang et al. 1999 bone-crushing dog Clay Bank Quarry; Bird Bone Quarry; Gray Ranch Quarry; "Osteoborus sp."
Vulpes stenognathus Savage 1941 fox | |
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? Texoceros minorei Frick 1937 pronghorn
Sphenophalos nevadanus Merriam 1909 pronghorn | |
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Megatylopus matthewi Webb 1965 camel
Alforjas sp.3 Harrison 1979 camel "protolabine new genus" and "'Camelops'-like new genus"; from Claybank Q. and Bird Bone Q.
"Hemiauchenia vera" = Pleiolama vera Matthew 1909 camel according to Breyer 1983, Hemiauchenia is present at Claybank Q. and Bird Bone Q.
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Dinohippus leidyanus2 Osborn 1918 horse skull from Grey's Ranch Quarry, Wikieup; no Dinohippus listed by MacFadden et al., but this is an F:AM specimen they may have overlooked
"Onohippidium galushai" = Boreohippidion galushai MacFadden and Skinner 1979 horse see MacFadden 1997: "Pliohippus or Dinohippus" of Alberdi and Prado 1992; Clay Bank and Bird Bone Qs.
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