🦕 Prehistoric World Map

Youngofiber fossil map

Where fossils of Youngofiber have been found, shown on the Earth as it looked about 15 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 15 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 →

Youngofiber
Image: Jonathan Chen, CC BY-SA 4.0, via Wikimedia Commons
GroupEarly mammals
Lived23.04–11.63 million years ago (Aquitanian to Serravallian)
PeriodsNeogene
FamilyCastoridae
Named byChow and Li 1978
Fossil records8 occurrences at 2 locations (PBDB)
Found inChina
Rock formationsXiacaowan, txn:41534

About Youngofiber

Youngofiber is an extinct genus of beavers from Miocene China and Japan.

Text in “About” is quoted from the Wikipedia article Youngofiber (revision 1343120782), 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: Q112660645.

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