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363 / Paleozoic
Whatcheeria
Whatcheeria deltae
A reinforced skull and fang-like teeth belonged to a powerful river predator.
- Time range
- About 340 million years ago
- Final stage
- Early Carboniferous
- Geographic range
- Rivers and deltas · Iowa, USA
01 / DEFINITION & ECOLOGY
What was Whatcheeria?
Whatcheeria (Whatcheeria deltae) was an extinct organism known from About 340 million years ago, with a range in Rivers and deltas · Iowa, USA.
Life and ecology
This robust tetrapod hunted fish and small vertebrates in shallow water and along banks.
02 / DISAPPEARANCE
Why did Whatcheeria disappear?
Early Carboniferous river communities changed and the lineage ended.
03 / EVIDENCE
How do scientists know about Whatcheeria?
Hundreds of bones from juveniles and adults document growth, skull loading and girdle anatomy.
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