| Birkenia Temporal range: Late Silurian-Early Devonian |
|
|---|---|
| Birkenia elegans | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Anaspida |
| Genus: | Birkenia |
| Species: | Birkenia elegans |
Birkenia is a genus of extinct anaspid fish from the Late Silurian to the Early Devonian of Europe. It reached a length of 4 in (10 cm) and was an active swimmer.