🦕 Prehistoric World Map

Dryolestes fossil map

Where fossils of Dryolestes have been found, shown on the Earth as it looked about 145 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 145 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 →

Dryolestes
Image: Othniel Charles Marsh, Public domain, via Wikimedia Commons
GroupEarly mammals
Lived154.8–143.1 million years ago (Kimmeridgian to Tithonian)
PeriodsJurassic
FamilyDryolestidae
Named byMarsh 1878
Fossil records32 occurrences at 9 locations (PBDB)
Found inUnited States, Portugal
Rock formationsMorrison, Alcobaça

About Dryolestes

Dryolestes is an extinct genus of Late Jurassic mammal from the Morrison Formation and the Alcobaça Formation of Portugal. The type species Dryolestes priscus is present in stratigraphic zones 2, 5, and 6.

Text in “About” is quoted from the Wikipedia article Dryolestes (revision 1151436930), 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: Q3728412.

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