Rancho Gaitan (Eocene of Mexico)
Also known as Locality 5; Locality 7
Where: Chihuahua, Mexico (29.8° N, 104.5° W: paleocoordinates 31.2° N, 97.0° W)
• coordinate based on nearby landmark
When: Preitos Formation, Chadronian (37.2 - 33.9 Ma)
Environment/lithology: terrestrial
Primary reference: I. FerrusquÃa-Villafranca. 1984. A review of the early and middle Tertiary mammal faunas of Mexico. Journal of Vertebrate Paleontology 4(2):187-198 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17015: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Tennant
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Reptilia | |
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| Mammalia | |
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Rhinocerotidae indet. Gray 1821 rhinoceros | |
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Brontops cf. brachycephalus Osborn 1902 brontothere | |
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Bathygenys alpha Douglass 1902 oreodont
Aclistomycter middletoni Wilson 1971 oreodont | |
Hypertragulus heikeni n. sp.
Hypertragulus heikeni n. sp. Ferrusquia-Villafranca 1969 ruminant | |
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cf. Leptomeryx sp. Leidy 1853 ruminant | |
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Agriochoerus maximus Douglass 1902 agriochoerid
Protoreodon petersoni Gazin 1955 agriochoerid | |
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? Soricoidea indet. Gill 1872 placental | |
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Pseudocylindrodon pintoensis n. sp., Jaywilsonomys ojinagaensis n. sp.
Pseudocylindrodon pintoensis n. sp. Ferrusquia and Wood 1969 rodent from Locs. 2, 5, and 7: see Wood 1974; no specimens for Loc. 5 are listed
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