🦕 Prehistoric World Map

Groebertherium fossil map

Where fossils of Groebertherium have been found, shown on the Earth as it looked about 66 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 66 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 →

GroupEarly mammals
Lived72.2–66 million years ago (Maastrichtian)
PeriodsCretaceous
FamilyDryolestidae
Named byBonaparte 1986
Fossil records10 occurrences at 2 locations (PBDB)
Found inArgentina
Rock formationsLos Alamitos, Allen

About Groebertherium

Groebertherium is a genus of dryolestoid mammal from the Late Cretaceous Los Alamitos and Allen Formations of Argentina. It is not closely related to other contemporary dryolestoids, all of which are part of the clade Meridiolestida.

Text in “About” is quoted from the Wikipedia article Groebertherium (revision 1347713833), 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: Q11924732.

More early mammals