Explore this animal in Size of Extinct Animals ↗
487 / Paleozoic
Eldonia
Eldonia ludwigi
A coiled gut lay inside a soft circular disc that may have drifted or lived near the bottom.
View original image · 1600 × 1067- Time range
- About 508 million years ago
- Final stage
- Middle Cambrian
- Geographic range
- Above continental-slope seafloors · Canada
01 / DEFINITION & ECOLOGY
What was Eldonia?
Eldonia (Eldonia ludwigi) was an extinct organism known from About 508 million years ago, with a range in Above continental-slope seafloors · Canada.
Life and ecology
It probably consumed tiny particles while the flexible disc held position in gentle currents.
02 / DISAPPEARANCE
Why did Eldonia disappear?
Comparable soft-bodied discs became rarer after the Cambrian.
03 / EVIDENCE
How do scientists know about Eldonia?
Numerous impressions preserve radial structures and the curved gut, but affinity and posture remain uncertain.
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