Explore this animal in Size of Extinct Animals ↗
519 / Paleozoic
Akmonistion
Akmonistion zangerli
Males carried a striking anvil-shaped brush-and-spine complex on the back.
View original image · 1600 × 1067- Time range
- About 336 million years ago
- Final stage
- Early Carboniferous
- Geographic range
- Warm coastal sea · Scotland
01 / DEFINITION & ECOLOGY
What was Akmonistion?
Akmonistion (Akmonistion zangerli) was an extinct organism known from About 336 million years ago, with a range in Warm coastal sea · Scotland.
Life and ecology
It hunted fish and invertebrates; the dorsal structure may have served display or mating.
02 / DISAPPEARANCE
Why did Akmonistion disappear?
Turnover among Carboniferous cartilaginous fishes is the broad context, but it does not demonstrate why Akmonistion disappeared.
03 / EVIDENCE
How do scientists know about Akmonistion?
Complete skeletons preserve teeth, fins and the dorsal complex, whose function remains debated.
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