Explore this animal in Size of Extinct Animals ↗
450 / Mesozoic
Proganochelys
Proganochelys quenstedtii
A complete shell coexisted with neck spikes and an inability to retract the head.
View original image · 1600 × 1067- Time range
- About 210 million years ago
- Final stage
- Late Triassic
- Geographic range
- Lakeshores and land · Europe
01 / DEFINITION & ECOLOGY
What was Proganochelys?
Proganochelys (Proganochelys quenstedtii) was an extinct organism known from About 210 million years ago, with a range in Lakeshores and land · Europe.
Life and ecology
It walked slowly near lakes and ate plants and small invertebrates; the tail carried a bony club.
02 / DISAPPEARANCE
Why did Proganochelys disappear?
Its record, about 210 million years old, predates the end-Triassic crisis; the specific cause of its disappearance is not established.
03 / EVIDENCE
How do scientists know about Proganochelys?
Skeletons preserve shell, skull, neck spikes and tail armor.
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?
- Removed an extinction cause that credited a mass extinction occurring after this species' last dated record.
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS