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468 / Cenozoic
Eobasileus
Eobasileus cornutus
Three pairs of skull bosses and long canines crowned a rhino-sized herbivore.
- Time range
- About 46–40 million years ago
- Final stage
- Late Eocene
- Geographic range
- Floodplain woodland · North America
01 / DEFINITION & ECOLOGY
What was Eobasileus?
Eobasileus (Eobasileus cornutus) was an extinct organism known from About 46–40 million years ago, with a range in Floodplain woodland · North America.
Life and ecology
It browsed humid woodland; males may have displayed or fought with the head structures.
02 / DISAPPEARANCE
Why did Eobasileus disappear?
Eocene climate and herbivore turnover ended it.
03 / EVIDENCE
How do scientists know about Eobasileus?
Skulls, teeth and skeletons constrain boss bases and size; keratin covering is reconstructed.
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