Duncan: Blancan, Arizona
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Lagomorpha
- Leporidae
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Hypolagus sp.
Dice 1917
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= Archaeolaginae indet.
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Cricetidae
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Reithrodontomys rexroadensis
Hibbard 1952
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| (4 measurements) | ||||||||||
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Neotoma fossilis
Gidley 1922
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| (4 measurements) | ||||||||||
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Sigmodon medius
Gidley 1922
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| synonym of Sigmodon minor | ||||||||||
| UALP 7937: Mezzabotta 1997 | ||||||||||
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Pliopotamys sp.
Hibbard 1937
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= Ondatra sp.
Link 1795
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Alroy 2002 | |||||||||
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Ophiomys cf. taylori
(Hibbard 1959)
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Calomys (Bensonomys) sp.
(Gazin 1942)
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= ? Bensonomys sp.
Gazin 1942
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Alroy 2002 | |||||||||
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Baiomys minimus
(Gidley 1922)
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| original and current combination Peromyscus minimus | ||||||||||
| UALP 7937: Mezzabotta 1997 | ||||||||||
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Peromyscus hagermanensis
Hibbard 1962
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Mammalia
- Rodentia
- Geomyidae
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Geomys persimilis
Hay 1927
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= Nerterogeomys cf. persimilis
Hay 1927
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Heteromyidae
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Perognathus gidleyi
Hibbard 1941
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| (4 measurements) | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Canidae indet.
Fischer de Waldheim 1817
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= Chrysocyon nearcticus n. sp.
Tedford et al. 2009
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Tedford et al. 2009 | |||||||||
| "These remains were referred to Canis edwardii by Nowak (1979: 84)." | ||||||||||
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Mammalia
- Carnivora
- Felidae
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Felis sp.
Linnaeus 1758
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= Felinae indet.
Trouessart 1885
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Alroy 2002 | |||||||||
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Mammalia
- Carnivora
- Hyaenidae
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Chasmaporthetes sp.
Hay 1921
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= Chasmaporthetes ossifragus
Hay 1921
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Kurten and Werdelin 1988 | |||||||||
| replaces ID of Berta 1981 | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Nannippus phlegon
(Hay 1899)
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= Nannippus peninsulatus
Cope 1885
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Alroy 2002 | |||||||||
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Equus sp.
Linnaeus 1758
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Mammalia
- Cervidae
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Odocoileus sp.
Rafinesque 1832
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Mammalia
- Antilocapridae
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cf. Tetrameryx sp.
Lull 1921
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Mammalia
- Camelidae
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Camelops sp.
Leidy 1854
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Hemiauchenia sp.
Gervais and Ameghino 1880
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Mammalia
- Tayassuidae
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Platygonus sp.
Leconte 1848
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Mammalia
- Soricidae
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Sorex sp.
Linnaeus 1758
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Notiosorex sp.
Baird 1877
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Mammalia
- Proboscidea
- Gomphotheriidae
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Stegomastodon mirificus
(Leidy 1858)
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Reptilia
- Accipitriformes
- Accipitridae
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Amplibuteo concordatus
Emslie and Czaplewski 1999
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Emslie and Czaplewski 1999 | |||||||||
| south locality, west of Railroad Wash | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Arizona | County: | Greenlee |
| Coordinates: | 32.7° North, 109.1° West (view map) | ||||
| Paleocoordinates: | 32.8° North, 108.5° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| 10 m.y. bin: | Cenozoic 6 | ||
| *Period: | Late/Upper Tertiary | *Epoch: | Middle Pliocene | *Local age/stage: | Middle Blancan |
| Key time interval: | Blancan | ||
| Age range of interval: | 4.70000 - 1.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Gila Conglomerate | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: 4 localities in about 3 m, additional locality almost 10 m lower | |||||
Lithology and environment
| Primary lithology: | marl |
| Secondary lithology: | claystone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Environment: | lacustrine indet. |
| Geology comments: most localities are shown as coming from marlstone or claystone | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Disassociated major elements: | some |
| Disassociated minor elements: | many |
Collection methods and comments
| Collection methods: | bulk,surface (float),sieve,field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Also known as: | UALP 31, 7937 | ||
| Database number: | 19654 | ||
| Authorizer: | J. Alroy, J. Bloch, J. Marcot | Enterer: | J. Alroy, J. Marcot, R. Hulbert |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-09-25 21:05:20 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6199. | 5% 23340 | Y. Tomida. 1987. Small mammal fossils and correlation of continental deposits, Safford and Duncan basins, Arizona. National Science Museum 1-141 [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] | |
| 50351 | S. D. Emslie and N. J. Czaplewski. 1999. Two new fossil eagles from the late Pliocene (late Blancan) of Florida and Arizona and their biogeographic implications. In S. L. Storrs, P. Wellnhofer, C. Mourer-Chauviré, D. W. Steadman, L. D. Martin (eds.), Avian Paleontology at the Close of the 20th Century: Proceedings of the 4th International Meeting of the Society of Avian Paleontology and Evolution, Washington, D.C, 4-7 June 1996. Smithsonian Contributions to Paleobiology 89:185-198 [J. Bloch/R. Hulbert/M. Carrano] | |
| 2194 | B. Kurten and L. Werdelin. 1988. A Review of the Genus Chasmaporthetes Hay, 1921 (Carnivora, Hyaenidae). Journal of Vertebrate Paleontology 8(1):46-66 [J. Alroy/J. Alroy/J. Ju] | |
| 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] |