''Tonnicinctus'' is an extinct species of pampatheriid that lived in

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

during the

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in ...

and

Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togeth ...

Description

''Tonnicinctus'' inhabited cool grassland regions. It was a medium-sized pampatheriid, smaller than its better-known relatives like '' Pampatherium'' and ''

Holmesina ''Holmesina'' is a genus of pampathere, an extinct group of armadillo-like creatures that were distantly related to extant armadillos. Like armadillos, and unlike the other extinct branch of megafaunal cingulates, the glyptodonts, the shell wa ...

''. It is distinguishes from other Pampathreres by: osteoderms which are intermediate in thickness between ''Pampatherium'' and ''Holmesina''; very wide anterior and lateral margins with several large and deep foramina; wide and uniform marginal elevation in the fixed osteoderms and very narrow marginal elevation in movable and semi-movable osteoderms of the scapular and pelvic buckler.

References

Prehistoric cingulates Pleistocene xenarthrans Pleistocene mammals of South America Prehistoric placental genera Pleistocene first appearances Holocene extinctions {{Paleo-mammal-stub Pleistocene Argentina Fossils of Argentina