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Yanbeilong fossil map

Where fossils of Yanbeilong have been found, shown on the Earth as it looked about 100 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 100 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 →

Yanbeilong
Image: SlvrHwk, CC BY-SA 4.0, via Wikimedia Commons
GroupStegosaurs & ankylosaurs
Lived113.2–100.5 million years ago (Albian)
PeriodsCretaceous
FamilyStegosauridae
Named byJia et al. 2024
Fossil records1 occurrences at 1 locations (PBDB)
Found inChina
Rock formationsZuoyun

About Yanbeilong

Yanbeilong (meaning "north of Yanmen Pass dragon") is an extinct genus of stegosaurian dinosaurs from the Early Cretaceous (Albian age) Zuoyun Formation of Shanxi, China. The genus contains a single species, Yanbeilong ultimus, known from a single partial skeleton including several vertebrae and the pelvic girdle. It is one of the youngest known stegosaurs, alongside Mongolostegus from Mongolia and unnamed stegosaurine remains from the Hekou Group of China, both of which date to the Aptian–Albian ages.

Text in “About” is quoted from the Wikipedia article Yanbeilong (revision 1292800976), 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: Q124395047.

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