UCMP V-3310, Black Hawk Ranch: Clarendonian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Sciuridae
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Citellus (Otospermophilus) sp.
(Brandt 1844)
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original and current combination Otospermophilus | ||||||||||
Mammalia
- Rodentia
- Castoridae
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Eucastor lecontei
(Merriam 1896)
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recombined as Prodipoides lecontei | ||||||||||
Mammalia
- Lagomorpha
- Leporidae
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Alilepus hibbardi
White 1991
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White 1991 | |||||||||
presumably = "Hypolagus sp." | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Hipparion forcei
Richey 1948
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Pliohippus leardi
Drescher 1941
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recombined as Dinohippus leardi | ||||||||||
Mammalia
- Tayassuidae
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Prosthennops sp.
Matthew and Gidley 1904
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= informal Clarendonian peccary sp.
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Wright 1993 | |||||||||
said to be a new species not found elsewhere; species "F" of Wright 1983; see also Wright 1998 | ||||||||||
= Woodburnehyus grenaderae n. gen., n. sp.
Prothero and Pollen 2013
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Prothero and Pollen 2013 | |||||||||
Mammalia
- Camelidae
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Alticamelus sp.
Matthew 1901
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= Aepycamelus sp.
Macdonald 1956
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Macdonald 1948 | |||||||||
presumably includes "Megatylopus sp." | ||||||||||
Procamelus cf. grandis
Gregory 1939
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Pliauchenia cf. magnifontis
Gregory 1939
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Mammalia
- Antilocapridae
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Capromeryx sp.
Matthew 1902
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Webb and Woodburne 1964 | |||||||||
"? Merycodus" | ||||||||||
Mammalia
- Merycoidodontidae
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Ustatochoerus major
(Leidy 1858)
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= Merychyus cf. major
Leidy 1858
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Edwards 1982 | |||||||||
recombined as Ustatochoerus major | ||||||||||
"? Metoreodon sp."; "? U. sp." of Macdonald 1948b | ||||||||||
Mammalia
- Carnivora
- Nimravidae
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Barbourofelis lovei
Baskin 1981
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= Barbourofelis loveorum
Baskin 1981
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Baskin 1981 | |||||||||
"Ischyrosmilus cf. osborni"; "Machairodontinae indet." of Macdonald 1948 | ||||||||||
Mammalia
- Carnivora
- Felidae
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Pseudaelurus thinobates
Macdonald 1948
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= Nimravides thinobates
Macdonald 1948
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Macdonald 1948 | |||||||||
"Metailurus abeli" | ||||||||||
Mammalia
- Carnivora
- Procyonidae
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Caninae indet.
Gill 1872
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= Procyonidae indet.
Gray 1825
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Webb et al. 1981 | |||||||||
close to Urocyon of Macdonald 1948b; a new genus and species according to Webb et al., who use the unpublished manuscript name "Proturocyon macdonaldi" | ||||||||||
Mammalia
- Carnivora
- Mustelidae
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Brachypsalis sp.
Cope 1890
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= Mustelinae indet.
Fischer 1817
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Macdonald 1948 | |||||||||
Leptarctus sp.
Leidy 1856
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= Leptarctus wortmani
Matthew 1924
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Wagner and Reynolds 1983 | |||||||||
includes "? Bassariscus sp." and "Bassariscus parvus" of Macdonald 1948b according to Webb et al. 1981; might include "Procyoninae" of Macdonald 1948b, see his discussion | ||||||||||
Mammalia
- Carnivora
- Canidae
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Vulpes vafer
(Leidy 1858)
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= Leptocyon vafer
Leidy 1858
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Macdonald 1948 | |||||||||
Aelurodon cf. taxoides
Hatcher 1894
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Tedford et al. 1987 | |||||||||
confirmed by Baskin 1998a, Wang et al. 1999; "A. cf. aphobus"; apparently includes "Osteoborus ricardoensis" (see footnote by Stirton in Richey 1948, p. 3) | ||||||||||
Osteoborus diabloensis n. sp.
Richey 1938
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synonym of Borophagus littoralis | ||||||||||
Mammalia
- Proboscidea
- Mammutidae
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Gomphotherium simpsoni
(Stirton 1939)
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= Gomphotherium obscurum
Leidy 1869
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Savage 1955 | |||||||||
"Trilophodon sp."; "G. sp." of Macdonald 1948b DUPLICATE REF 3015 or 3016 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Contra Costa |
Coordinates: | 37.8° North, 121.9° West (view map) | ||||
Paleocoordinates: | 37.2° North, 118.2° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
*Period: | Tertiary | ||
Key time interval: | Clarendonian | ||
Age range of interval: | 13.60000 - 10.30000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Green Valley | ||
Local section: | MDiab | Local bed: | 3 |
Local order: | bottom to top |
Lithology and environment
Primary lithology: | "siliciclastic" |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | UCMP |
Taxonomic list comments:much lower in the fm. than tuff dated at 5.9 +/- 0.6 and 6.3 +/- 0.1 Ma: Tedford et al. 1987 slightly below UCMP V-3724, which yielded only a "fragment of a mastodont ulna" |
Metadata
Database number: | 19185 | ||
Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
Modifier: | M. Clapham | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2017-04-16 19:41:01 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2902. | K. A. Richey. 1948. Lower Pliocene horses from Black Hawk Ranch, Mount Diablo, California. University of California Publications, Bulletin of the Department of Geological Sciences 28(1):1-44 [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] | |
1027 | J. A. Baskin. 1981. Barbourofelis (Nimravidae) and Nimravides (Felidae), with a Description of Two New Species from the Late Miocene of Florida. Journal of Mammalogy 62(1):122-139 [J. Alroy/J. Alroy/M. Uhen] | |
1428 | S. W. Edwards. 1982. A New Species of Hipparion (Mammalia: Equidae) from the Clarendonian (Miocene) of California. Journal of Vertebrate Paleontology 2(2):173-183 [J. Alroy/J. Alroy/J. Marcot] | |
2339 | J. R. Macdonald. 1948. The Pliocene carnivores of the Black Hawk Ranch Fauna. University of California Publications, Bulletin of the Department of Geological Sciences 28(3):53-80 [J. Alroy/J. Alroy/J. Marcot] | |
58090 | D. R. Prothero and A. Pollen. 2013. New Late Miocene Fossil Peccaries From California and Nebraska. Kirtlandia 58:42-53 [J. Marcot/J. Marcot] | |
3015 | D. E. Savage. 1955. Nonmarine Lower Pliocene Sediments in California. A Geochronologic-Stratigraphic Classification. University of California Publications in Geological Sciences 31(1):1-26 [J. Alroy/J. Alroy/J. Marcot] | |
6198 | R. H. Tedford, T. Galusha, M. F. Skinner, B. E. Taylor, R. W. Fields, J. R. Macdonald, J. M. Rensberger, S. D. Webb, and D. P. Whistler. 1987. Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America. In M. O. Woodburne (ed.), Cenozoic Mammals of North America: Geochronology and Biostratigraphy 153-210 [J. Alroy/J. Alroy/P. Wagner] | |
3522 | H. M. Wagner and R. E. Reynolds. 1983. Leptarctus ancipidens (White) (Carnivora: Mammalia) from the Punchbowl Formation, Cajon Pass, California. Bulletin of the Southern California Academy of Sciences 82(3):131-137 [J. Alroy/J. Alroy/J. Marcot] | |
3581 | S. D. Webb, B. J. MacFadden, and J. A. Baskin. 1981. Geology and paleontology of the Love Bone Bed from the Late Miocene of Florida. American Journal of Science 281:513-544 [J. Alroy/J. Alroy/M. Uhen] | |
6268 | S. D. Webb and M. O. Woodburne. 1964. The beginning of continental deposition in the Mount Diablo area. Guidebook to the Mount Diablo field trip, 1964 70-78 [J. Alroy/J. Alroy/J. Alroy] | |
3633 | J. A. White. 1991. North American Leporinae (Mammalia: Lagomorpha) from late Miocene (Clarendonian) to latest Pliocene (Blancan). Journal of Vertebrate Paleontology 11(1):67-89 [J. Alroy/J. Alroy/J. Alroy] | |
6242 | D. B. Wright. 1993. Evolution of sexually dimorphic characters in peccaries (Mammalia, Tayassuidae). Paleobiology 19(1):52-70 [J. Alroy/J. Alroy/J. Alroy] |