Explore this animal in Size of Extinct Animals ↗
523 / Paleozoic
Boreaspis
Boreaspis ceratops
A streamlined shield extended into a pointed snout and carried a stabilizing dorsal rise.
View original image · 1600 × 1067- Time range
- About 410–398 million years ago
- Final stage
- Early Devonian
- Geographic range
- Shallow delta water · Norway
01 / DEFINITION & ECOLOGY
What was Boreaspis?
Boreaspis (Boreaspis ceratops) was an extinct organism known from About 410–398 million years ago, with a range in Shallow delta water · Norway.
Life and ecology
It fed on small particles close to the bottom while armor provided defense.
02 / DISAPPEARANCE
Why did Boreaspis disappear?
Middle Devonian changes in fishes and waterways are possible context, but they do not establish why the genus disappeared.
03 / EVIDENCE
How do scientists know about Boreaspis?
Svalbard fossils preserve armor ornament and sensory canals.
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