Explore this animal in Size of Extinct Animals ↗
430 / Paleozoic
Cambroraster
Cambroraster falcatus
A horseshoe-shaped carapace and rake-like appendages made a mobile sediment sifter.
View original image · 1600 × 1067- Time range
- About 506 million years ago
- Final stage
- Middle Cambrian
- Geographic range
- Muddy seafloor · Canada
01 / DEFINITION & ECOLOGY
What was Cambroraster?
Cambroraster (Cambroraster falcatus) was an extinct organism known from About 506 million years ago, with a range in Muddy seafloor · Canada.
Life and ecology
It swam close to the bottom and combed sediment for prey and organic particles.
02 / DISAPPEARANCE
Why did Cambroraster disappear?
Later Cambrian turnover in seafloor communities is possible context; the cause of the genus's disappearance is not established.
03 / EVIDENCE
How do scientists know about Cambroraster?
Hundreds of Burgess Shale specimens preserve carapaces, appendages, mouths and swimming flaps.
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?
- Rewrote an extinction cause that presented environmental or faunal turnover as established; it is now given as context the record does not prove.
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS