Cedazo: Irvingtonian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Testudines
- Testudinidae
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Gopherus auffenbergi n. sp.
Mooser 1972
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Mooser 1972 | |||||||||
Unknown institution (holotype), a shell and associated appendicular elements with the temporary number FC 500 (Mooser 1972, figs. 1–3) | ||||||||||
Gopherus pargensis n. sp.
Mooser 1980
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Mooser 1980 | |||||||||
synonym of Gopherus auffenbergi | ||||||||||
TMM 41536-29 (holotype), a partial carapace (Mooser 1980, fig. 5) | ||||||||||
Mammalia
- Cingulata
- Pampatheriidae
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Holmesina septentrionale
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= Holmesina septentrionalis
Leidy 1889
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Alroy 2002 | |||||||||
Mammalia
- Cingulata
- Glyptodontidae
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Brachyostracon cf. mexicanus
(Cuataparo and Ramirez 1875)
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= Glyptotherium cf. mexicanum
Cuataparo and Ramirez 1875
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Alroy 2002 | |||||||||
synonym of Glyptotherium cylindricum | ||||||||||
Mammalia
- Mylodontidae
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Paramylodon harlani
(Owen 1840)
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Mammalia
- Nothrotheriidae
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Nothrotherium cf. shastense
Sinclair 1905
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= Nothrotheriops cf. shastensis
Sinclair 1905
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Alroy 2002 | |||||||||
original and current combination Nothrotherium shastense | ||||||||||
Mammalia
- Proboscidea
- Elephantidae
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Mammuthus cf. meriodionalis
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= Mammuthus cf. hayi
Barbour 1915
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Alroy 2002 | |||||||||
Mammalia
- Proboscidea
- Mammutidae
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Mammut americanus
(Kerr 1792)
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recombined as Mammut americanum | ||||||||||
Mammalia
- Carnivora
- Ursidae
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Arctodus simus
(Cope 1879)
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(4 measurements) | ||||||||||
= Arctodus pristinus
Leidy 1854
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Dalquest and Mooser 1980 | |||||||||
from Arroyo San Francisco | ||||||||||
Mammalia
- Carnivora
- Mustelidae
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Taxidea cf. taxus
(Schreber 1778)
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Mammalia
- Carnivora
- Canidae
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Canis cedazoensis n. sp.
Mooser and Dalquest 1975
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(3 measurements) | ||||||||||
Canis latrans
Say 1823
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(1 measurement) | ||||||||||
Urocyon cinereoargenteus
(Schreber 1775)
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Canis dirus
Leidy 1858
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recombined as Aenocyon dirus | ||||||||||
confirmed by Nowak 1979 | ||||||||||
Mammalia
- Carnivora
- Felidae
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Smilodon cf. californicus
Bovard 1907
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synonym of Smilodon fatalis | ||||||||||
Panthera onca
(Linnaeus 1758)
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Panthera atrox
(Leidy 1853)
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recombined as Panthera leo atrox | ||||||||||
Lynx (Felis) rufus
(Schreber 1777)
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= Lynx rufus
Schreber 1777
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Alroy 2002 | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Equus conversidens
Owen 1869
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based on Rodriguez Avalos 1999, includes "E. excelsus," "E. sp.," "E. cf. caballus," "E. tau," "E. calobatus," "E. mexicanus," and "E. parastylidens" | ||||||||||
Equus parastylidens n. sp.
Mooser 1959
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nomen dubium belonging to Equus | ||||||||||
Mammalia
- Tayassuidae
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Platygonus sp.
Leconte 1848
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Mammalia
- Camelidae
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Tanupolama sp.
Stock 1928
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= Hemiauchenia sp.
Gervais and Ameghino 1880
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Alroy 2002 | |||||||||
two forms | ||||||||||
Camelops cf. hesternus
(Leidy 1873)
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Mooser and Dalquest 1975 | |||||||||
(16 measurements) | ||||||||||
Camelops traviswhitei
Mooser and Dalquest 1975
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Mooser and Dalquest 1975 | |||||||||
synonym of Camelops hesternus | ||||||||||
(9 measurements) | ||||||||||
Mammalia
- Cervidae
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Odocoileus halli
Alvarez 1969
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= Navahoceros fricki
Schultz and Howard 1935
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Alroy 2002 | |||||||||
Mammalia
- Antilocapridae
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Tetrameryx mooseri
Dalquest 1974
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see also Dalquest 1974 | ||||||||||
Tetrameryx tacubayensis
Mooser and Dalquest 1975
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Stockoceros conklingi
(Stock 1930)
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Capromeryx mexicana
Furlong 1925
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= Stockoceros conklingi
Stock 1930
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Jimenez-Hidalgo et al. 2004 | |||||||||
"Stockoceros" but presumably they mean S. conklingi | ||||||||||
Mammalia
- Bovidae
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Bison aguascalentensis
Mooser and Dalquest 1975
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= Bison alaskensis
Rhoads 1897
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Alroy 2002 | |||||||||
Mammalia
- Lagomorpha
- Leporidae
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Lepus cf. californicus
Gray 1837
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Sylvilagus cf. audubonii
(Baird 1858)
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Mammalia
- Rodentia
- Erethizontidae
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Erethizon ? dorsatum
(Linnaeus 1758)
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confirmed by Frazier 1981; "Coendou sp." of White 1970 (1 measurement) | ||||||||||
Mammalia
- Rodentia
- Geomyidae
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Pappogeomys castanops
(Baird 1852)
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= Cratogeomys cf. castanops
Baird 1852
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Alroy 2002 | |||||||||
? Thomomys umbrinus
(Richardson 1829)
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Mammalia
- Didelphimorphia
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Didelphis marsupialis
Linnaeus 1758
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see common names |
Geography
Country: | Mexico | State/province: | Aguascalientes |
Coordinates: | 21.8° North, 102.3° West (view map) | ||
Paleocoordinates: | 21.8° North, 102.1° West | ||
Basis of coordinate: | based on nearby landmark |
Time
Period: | Quaternary | Epoch: | Pleistocene |
10 m.y. bin: | Cenozoic 6 | ||
Key time interval: | Irvingtonian | ||
Age range of interval: | 1.40000 - 0.21000 m.y. ago |
Stratigraphy
Formation: | Tacubaya |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Taxonomic list comments:from "lower few meters" of Fm. said by Kurten and Anderson 1980 to be Sangamonian, but by both Mooser and Dalquest and Miller and Carranza 1984 to be Illinoian |
Metadata
Also known as: | Arroyo Cedazo; Arroyo San Francisco | ||
Database number: | 20283 | ||
Authorizer: | J. Alroy, J. Marcot, E. Vlachos | Enterer: | J. Alroy, E. Vlachos, J. Marcot |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1994-04-30 00:00:00 | Last modified: | 2009-07-15 19:03:59 |
Access level: | the public | Released: | 1994-04-30 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2607. | O. Mooser and W. W. Dalquest. 1975. Pleistocene mammals from Aguascalientes, central Mexico. Journal of Mammalogy 56(4):781-820 [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] | |
1324 | W. W. Dalquest and O. Mooser. 1980. Arctodus pristinus Leidy in the Pleistocene of Aguascalientes, Mexico. Journal of Mammalogy 61(4):724-725 [J. Alroy/J. Alroy/J. Alroy] | |
12061 | E. Jimenez-Hidalgo, O. Carranza-Castaneda, and M. Montellano-Ballesteros. 2004. A Pliocene record of Capromeryx (Mammalia: Antilocapridae) in Mexico. Journal of Paleontology 78(6):1179-1186 [J. Alroy/J. Alroy/J. Alroy] | |
64780 | O. Mooser. 1972. A new species of Pleistocene fossil tortoise, genus Gopherus, from Aguascalientes, Aguascalientes, México. Southwestern Naturalist 17:61-65 [E. Vlachos/E. Vlachos] | |
64779 | O. Mooser. 1980. Pleistocene fossil turtles from Aguascalientes, State of Aguascalientes. Revista Mexicana de Ciencias Geológicas 4(1):63-66 [E. Vlachos/E. Vlachos] | |
34617 | O. Mooser and W. W. Dalquest. 1975. A new species of camel (genus Camelops) from the Pleistocene of Aguascalientes, Mexico. Southwestern Naturalist 19(4):341-345 [J. Alroy/J. Alroy/J. Marcot] |