Species
Valid Extinct

Nanotyrannus lethaeus

Zanno and Napoli 2025

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
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PBDB ↗
Classification
Dinosauria Unranked clade
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Theropoda Unranked clade
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Neotheropoda Unranked clade
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Averostra Unranked clade
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Tetanurae Unranked clade
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Coelurosauria Unranked clade
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Tyrannosauroidea Superfamily
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Eutyrannosauria Unranked clade
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Nanotyrannidae Family
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Nanotyrannus Genus
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Nanotyrannus lethaeus Species
Fossil sites 1 geolocated sites
Distribution
Top countries
🇺🇸 United States
1
Geological formations
Hell Creek
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
1
Bibliography
Original description
L. E. Zanno and J. G. Napoli. 2025. Nanotyrannus and Tyrannosaurus coexisted at the close of the Cretaceous. Nature 648(8093):357-367 DOI ↗
Bibliography (1)
M. D. Henderson and J. E. Peterson. 2006. An azhdarchid pterosaur cervical vertebra from the Hell Creek Formation (Maastrichtian) of southeastern Montana. Journal of Vertebrate Paleontology 26(1):192-195 DOI ↗