Macrauchenidia
Encyclopedia
Macrauchenidia is an extinct genus of South American litoptern, related to Macrauchenia
, and belonging to the same family, Macraucheniidae
.
Macrauchenia
Macrauchenia was a long-necked and long-limbed, three-toed South American ungulate mammal, typifying the order Litopterna. The oldest fossils date back to around 7 million years ago, and M...
, and belonging to the same family, Macraucheniidae
Macraucheniidae
Macraucheniidae is a family in the Litopterna order of extinct South American ungulates. The recessed nasal bones of their skulls suggest that they may have had a small proboscis, or trunk. Their hooves were similar to those of rhinoceroses today, with a simple ankle joint and three digits on each...
.