Tarija Formation
Geologic formation in Bolivia
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The Tarija Formation is a Pleistocene-age geologic formation found near Tarija, Bolivia.
TypeFormation
PrimarySiltstone, sandstone
| Tarija Formation | |
|---|---|
| Stratigraphic range: Early Pleistocene | |
| Type | Formation |
| Lithology | |
| Primary | Siltstone, sandstone |
| Location | |
| Coordinates | 21.5°S 64.75°E |
| Approximate paleocoordinates | 21.6°S 64.2°E |
| Country | Bolivia |
| Type section | |
| Named for | Tarija |
Background
Fossils of numerous large herbivorous mammals have been discovered, including toxodonts like Toxodon platensis, glyptodonts, ground sloths, and litopterns such as Macrauchenia patachonica.[1] Numerous carnivorous mammals have been found, including Smilodon populator, Arctotherium tarijense, and Protocyon tarijensis.[2]
Paleofauna
Birds
Accipitriformes
| Accipitriformes | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | |
| Vultur | V. gryphus | Cathartidae | Tarija [3] | Andean Condor | _01.jpg) |
Mammals
Didelphimorphia
| Accipitriformes | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | |
| Lutreolina | L. crassicaudata | Didelphidae | Tarija [3] | Big lutrine opossum |  |
Cingulata
| Cingulata | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | |
| Euphractus | E. sexcinctus | Chlamyphoridae | Tarija <Tarija [3] | Six-Banded Armadillo | .JPG) |
| Chaetophractus | C. villosus | Chlamyphoridae | Tarija [3] | Big Hairy Armadillo |  |
| Dasypus | D. tarijensis | Dasypodidae | Tarija [3] | ||
| Propraopus | P. cf. sulcatus | Dasypodidae | Tarija [3] | ||
| Glyptodon | G. reticulatus | Glyptodontidae | Tarija [3] |  | |
| Panochthus | P. sp | Glyptodontidae | Tarija [3] | ||
| Pampatherium | P. cf. humboldtii | Pampatheriidae | Tarija [3] |  | |
Proboscidea
| Proboscidea | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | Images |
| Cuvieronius | C. tropicus | Gomphotheriidae | Tarija [3] |  | |
Carnivorans
| Carnivora | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | |
| Pseudalopex | P. gymnocercus | Canidae | Tarija [3] | Pampas Fox |  |
| Aenocyon | A.dirus | Canidae | Tarija [3] | Dire wolf | )_(17537635834).jpg) |
| Chrysocyon | C. brachyurus | Canidae | Tarija [3] | Maned wolf |  |
| Protocyon | P.troglodytes | Canidae | Tarija [3] | ||
| Nasua | N.sp | Procyonidae | Tarija [3] | _-_460.jpg) | |
| Arctotherium | A.wingei | Ursidae | Tarija [3] | ||
| A. tarijense | Ursidae | Tarija [3] | |||
| Conepatus | C.suffocans | Mephitidae | Tarija [3] | An extinct hog-nosed skunk | |
| Smilodon | S.populator | Felidae | Tarija [3] | Saber-toothed cat |  |
| Panthera | P. onca | Felidae | Tarija [3] | Jaguar | _Jaguar_-_Panthera_onca_swimming.jpg) |
| Herpailurus | H. yagouaroundi | Felidae | Tarija [3] | Jaguarundi | .jpg) |
Artiodactyla
| Artiodactyla | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | Images |
| Platygonus | P. tarijensis. | Tayassuidae | Tarija [3] | ||
| Charitoceros | C. tarijensis. | Cervidae | Tarija [3] | ||
| Hippocamelus | H. incognituss. | Cervidae | Tarija [3] |  | |
| Paleolama | P. weddeli. | Camelidae | Tarija [3] |  | |
| Lama | L. provicugna | Camelidae | Tarija [3] | The Vicuña, a modern species of Llama |  |
Meridiungulata
| South American native ungulates | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | Images |
| Macrauchenia | M. patachonica. | Macraucheniidae | Tarija [3] |  | |
| Toxodon | T cf. platensis. | Toxodontidae | Tarija [3] |  | |
Perissodactyla
| Perissodactyla | |||||
|---|---|---|---|---|---|
| Genus | Species | Family | Interval | Notes | Images |
| Tapirus | T. tarijensis | Tapiridae | Tarija[3] | ||
| Hippidion | H. principale | Equidae | Tarija [3] | A browsing horse |  |
| H. devillei | Equidae | Tarija [3] | |||
| Equus | E. neogeus | Equidae | Tarija [3] |  | |
