🦕 Prehistoric World Map

Propachyrucos fossil map

Where fossils of Propachyrucos 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 →

Propachyrucos
Image: Ghedoghedo, Public domain, via Wikimedia Commons
GroupEarly mammals
Lived29–21 million years ago (Rupelian to Aquitanian)
PeriodsPaleogene, Neogene
FamilyHegetotheriidae
Named byAmeghino 1897
Fossil records2 occurrences at 1 locations (PBDB)
Found inArgentina
Rock formationstxn:43439

About Propachyrucos

Propachyrucos is an extinct genus of late Oligocene hegetotheriid notoungulate. It is known from a few mandibular fragments from the Sarmiento Formation, Chubut Province, Argentina.

Text in “About” is quoted from the Wikipedia article Propachyrucos (revision 1381433221), 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: Q56216946.

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