Uruguay - Animals in the Habitats and the Fossil sites, and Biodiversity
Classified animal picture guide. Highlighting the link 
of species shows the images, and clicking the link shows Evolutionary Tree.
of species shows the images, and clicking the link shows Evolutionary Tree.The following fossils from the geologic age to the prehistorical age are excavated in Uruguay. The explanation in brackets is the ages they lived in extinct species. Note that Mya is million years ago. For example, "48.6～40.4 Mya" shows a range between 48.6 and 40.4 million years ago. The time range is shown in the Geological Time Table. The followings are a part of the Evolutionary Tree.
| Uruguay prehistoric age | ||||
| Uruguay extinct species Paleozoic |
 | Marine reptile |
Mesosaurus (284～279.5 Mya; Earlist reptiles) | |
| Uruguay extinct species Mesozoic |
 | Long-necked dino |
Antarctosaurus (89.3～65.5 Mya) | |
| Uruguay extinct species Cenozoic |
 | Primitive armadillo |
Glyptodon (3.6～0.01 Mya; ３m),
Panochthus (3.6～0.01 Mya; ３m),
Doedicurus (3～0.01 Mya; ３．６m),
Pampatherium (1.2～0.01 Mya) | |
 | Ground sloth |
Glossotherium (6.8～0.01 Mya),
Megatherium (5.33～0.01 Mya; ８m),
Lestodon (1.81～0.01 Mya),
Scelidotherium (0.78～0.01 Mya) | ||
 | Rodent |
Josephoartigasia (4～2 Mya; ３m) | ||
 | Even-toed ungulate |
Palaeolama (1.81～0.01 Mya),
Morenelaphus (0.126～0.01 Mya) | ||
| Ungulate |
Toxodon (1.8～0.01 Mya),
Macrauchenia (9～0.01 Mya) | ||
 | Saber-toothed cat |
Smilodon (1.81～0.01 Mya; ２．１m) | ||
 | Terror bird |
Devincenzia (13.65～11.61 Mya; ２．５m) | ||
Uruguay is a country located in the central of South America. It is bordered by Brazil the north and by Argentina to the west, and Atlantic Ocean to the east and south. The following shows the distribution of animals in Uruguay.
