PBDB Collection

Cedazo (Pleistocene of Mexico)

Also known as Arroyo Cedazo; Arroyo San Francisco

Where: Aguascalientes, Mexico (21.8° N, 102.3° W)

• Paleocoordinates: 22.0° N, 102.0° W (Wright 2013)

• coordinate based on nearby landmark

When: Tacubaya Formation, Irvingtonian (1.8 - 0.3 Ma)

Environment/lithology: terrestrial

Size class: macrofossils

Primary reference: 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]more details

PaleoDB collection 20283: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Evangelos Vlachos and Jonathan Marcot

Creative Commons license: CC0 (CC0)

Taxonomic list

• 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

Show authors, comments, and common names

Reptilia
Testudines - Testudinidae	"Gopherus auffenbergi n. sp." = Gopherus auffenbergi⁴, "Gopherus pargensis n. sp." = Gopherus auffenbergi⁵ "Gopherus auffenbergi n. sp." = Gopherus auffenbergi⁴ Mooser 1972 gopher tortoise Unknown institution (holotype), a shell and associated appendicular elements with the temporary number FC 500 (Mooser 1972, figs. 1–3) "Gopherus pargensis n. sp." = Gopherus auffenbergi⁵ Mooser 1972 gopher tortoise TMM 41536-29 (holotype), a partial carapace (Mooser 1980, fig. 5)
Mammalia
Cingulata - Glyptodontidae	"Glyptotherium cf. mexicanum" = Glyptotherium cylindricum¹ "Glyptotherium cf. mexicanum" = Glyptotherium cylindricum¹ Brown 1912 glyptodon
Cingulata - Pampatheriidae	Holmesina septentrionalis¹ Holmesina septentrionalis¹ Leidy 1889 edentate
- Mylodontidae	Paramylodon harlani Paramylodon harlani Owen 1840 Harlan's ground sloth
Megatherioidea - Nothrotheriidae	"Nothrotheriops cf. shastensis" = Nothrotherium shastense¹ "Nothrotheriops cf. shastensis" = Nothrotherium shastense¹ Sinclair 1905 Shasta ground sloth
Proboscidea - Elephantidae	Mammuthus cf. hayi¹ Mammuthus cf. hayi¹ Barbour 1915 mammoth
Proboscidea - Mammutidae	"Mammut americanus" = Mammut americanum "Mammut americanus" = Mammut americanum Kerr 1792 American mastodon
Perissodactyla - Equidae	Equus parastylidens n. sp., Equus conversidens Equus parastylidens n. sp. Mooser 1959 horse Equus conversidens Owen 1869 horse based on Rodriguez Avalos 1999, includes "E. excelsus," "E. sp.," "E. cf. caballus," "E. tau," "E. calobatus," "E. mexicanus," and "E. parastylidens"
Artiodactyla - Tayassuidae	Platygonus sp. Platygonus sp. Leconte 1848 peccary
Artiodactyla - Camelidae	Hemiauchenia sp.¹, "Camelops cf. hesternus" = Camelops hesternus⁶, "Camelops traviswhitei" = Camelops hesternus⁶ Hemiauchenia sp.¹ Gervais and Ameghino 1880 camel "Camelops cf. hesternus" = Camelops hesternus⁶ Leidy 1873 camel "Camelops traviswhitei" = Camelops hesternus⁶ Leidy 1873 camel
Artiodactyla - Cervidae	Navahoceros fricki¹ Navahoceros fricki¹ Schultz and Howard 1935 New World deer
Artiodactyla - Bovidae	Bison alaskensis¹ Bison alaskensis¹ Rhoads 1897 bison
Artiodactyla - Antilocapridae	Tetrameryx mooseri, Tetrameryx tacubayensis, Stockoceros conklingi, Stockoceros conklingi³ Tetrameryx mooseri Dalquest 1974 pronghorn see also Dalquest 1974 Tetrameryx tacubayensis Mooser and Dalquest 1975 pronghorn Stockoceros conklingi Stock 1930 pronghorn Stockoceros conklingi³ Stock 1930 pronghorn
Carnivora - Felidae	"Smilodon cf. californicus" = Smilodon fatalis, Lynx rufus¹, Panthera onca, "Panthera atrox" = Panthera leo atrox "Smilodon cf. californicus" = Smilodon fatalis Leidy 1868 saber-toothed cat Lynx rufus¹ Schreber 1777 bobcat Panthera onca Linnaeus 1758 jaguar "Panthera atrox" = Panthera leo atrox Leidy 1853 lion
Carnivora - Canidae	Urocyon cinereoargenteus, "Canis dirus" = Aenocyon dirus, Canis latrans, Canis cedazoensis n. sp. Urocyon cinereoargenteus Schreber 1775 gray fox "Canis dirus" = Aenocyon dirus Leidy 1858 dire wolf confirmed by Nowak 1979 Canis latrans Say 1823 coyote Canis cedazoensis n. sp. Mooser and Dalquest 1975 canine
Carnivora - Mustelidae	Taxidea cf. taxus Taxidea cf. taxus Schreber 1778 American badger
Carnivora - Ursidae	Arctodus pristinus² Arctodus pristinus² Leidy 1854 bear
Rodentia - Geomyidae	Cratogeomys cf. castanops¹, ? Thomomys umbrinus Cratogeomys cf. castanops¹ Baird 1852 yellow-faced pocket gopher ? Thomomys umbrinus Richardson 1829 southern pocket gopher
Rodentia - Erethizontidae	Erethizon ? dorsatum Erethizon ? dorsatum Linnaeus 1758 North American porcupine confirmed by Frazier 1981; "Coendou sp." of White 1970
Lagomorpha - Leporidae	Lepus cf. californicus, Sylvilagus cf. audubonii Lepus cf. californicus Gray 1837 black-tailed jackrabbit Sylvilagus cf. audubonii Baird 1858 desert cottontail
Didelphimorphia - Didelphidae	Didelphis marsupialis Didelphis marsupialis Linnaeus 1758 common opossum

¹Alroy 2002; ²Dalquest and Mooser 1980; ³Jimenez-Hidalgo et al. 2004; ⁴Mooser 1972; ⁵Mooser 1980; ⁶Mooser and Dalquest 1975