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Baca, New Mexico, USA

FormationBaca
Member(s)basal conglomeratic sandstone
Age:40.4 - 37.2 Ma
Eocene
IntervalBridgerian
Number of Collections6
Number of Occurrences12

Recorded Sample Locations

LocationRegionStratigraphic Name
CarthageSocorro County, New Mexico, USABaca
Lathert CanyonCibola County, New Mexico, USABaca - basal conglomeratic sandstone
Mariano Mesa Catron County, New Mexico, USABaca

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Baca - basal conglomeratic sandstone50.3 - 40.4 Ma
Eocene
1
Hart Mine50.3 - 46.2 Ma
Eocene
2
Palomas4.90 - 1.80 Ma
Cenozoic
sandstone/conglomerate18
Sierra Ladrones1.80 - 0.30 Ma
Pleistocene
12
Gila4.90 - 1.80 Ma
Cenozoic
24

Recorded Fossils

Accepted NameHierarchyAge
Agriochoeridae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae46.2 - 37.2 Ma
Eocene
Agriochoerus pumilus
species
7Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : Protoreodon : Agriochoerus pumilus46.2 - 37.2 Ma
Eocene
Camelidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Camelidae40.4 - 37.2 Ma
Eocene
Brachyhyops wyomingensis
species
7Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae : Brachyhyops : Brachyhyops wyomingensis46.2 - 37.2 Ma
Eocene
Protoceratidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae46.2 - 37.2 Ma
Eocene
Hyaenodon sp.
genus
6Animalia : Chordata : Mammalia : Hyaenodontidae : Hyaenodon46.2 - 37.2 Ma
Eocene
Brontotheriidae
family
5Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae50.3 - 46.2 Ma
Eocene
Diplacodon sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Diplacodon46.2 - 37.2 Ma
Eocene
Diplacodon emarginatus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Diplacodon : Diplacodon emarginatus46.2 - 40.4 Ma
Eocene
Telmatherium sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Telmatherium50.3 - 46.2 Ma
Eocene

References

Schiebout J. A., Schrodt A. K. (1981) Vertebrate Paleontology of the Lower Tertiary Baca Formation of Western New Mexico, Geological Society America Bulletin 92 12, 976-979 doi:10.1130/0016-7606(1981)92<976:VPOTLT>2.0.CO;2
Lucas S. G. (1983) Protitanotherium (Mammalia, Perissodactyla) from the Eocene Baca Formation, west-central New Mexico, New Mexico Journal of Science 23 2, 48-56
Lucas S. G. (1983) The Baca Formation and the Eocene-Oligocene boundary in New Mexico, New Mexico Geological Society Guidebook, 34th Field Conference, Socorro Region II, 187-192
Lucas S. G. (1990) , New Mexico Journal of Science 30 1
Lucas S. G., Williamson T. E. (1993) , New Mexico Museum of Natural History Bulletin 2
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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