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458 / Mesozoic
Nanuqsaurus
Nanuqsaurus hoglundi
It hunted through polar night, though its supposedly dwarf size remains uncertain.
- Time range
- About 70 million years ago
- Final stage
- Late Cretaceous
- Geographic range
- High-latitude forest · Alaska
01 / DEFINITION & ECOLOGY
What was Nanuqsaurus?
Nanuqsaurus (Nanuqsaurus hoglundi) was an extinct organism known from About 70 million years ago, with a range in High-latitude forest · Alaska.
Life and ecology
This tyrannosaurid tracked hadrosaurs and other Arctic dinosaurs and may have had insulating covering.
02 / DISAPPEARANCE
Why did Nanuqsaurus disappear?
The end-Cretaceous extinction ended non-avian dinosaurs.
03 / EVIDENCE
How do scientists know about Nanuqsaurus?
Skull and jaw pieces establish affinity; size and feathering remain cautious.
04 / SOURCES & FURTHER READING
Check the source record
Use the scientific name to compare taxonomy, occurrence records and the fossil record. Database coverage and classifications may differ.
05 / REVISION HISTORY
How has this record changed?
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS