🦕 Prehistoric World Map

Leontinia fossil map

Where fossils of Leontinia have been found, shown on the Earth as it looked about 30 million years ago and on today’s map.

Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 30 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →

Leontinia
Image: Jonathan Chen, CC BY 4.0, via Wikimedia Commons
GroupEarly mammals
Lived33.9–21 million years ago (Rupelian to Aquitanian)
PeriodsPaleogene, Neogene
FamilyLeontiniidae
Named byAmeghino 1895
Fossil records20 occurrences at 8 locations (PBDB)
Found inArgentina, Brazil
Rock formationsSarmiento, txn:43373, Sao Paulo, Deseado

About Leontinia

Leontinia is an extinct genus of leontiniid notoungulate. Fossils have been found in the Deseado and Sarmiento Formations in Argentina and Tremembé Formation of Brazil, and are the most abundant remains of any animal found there. The genus dates back to the Late Oligocene, Deseadan in the SALMA classification.

Text in “About” is quoted from the Wikipedia article Leontinia (revision 1370182259), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q1129228.

More early mammals