Gyrosteus
Gyrosteus is an extinct genus of ray-finned fish from the family Chondrosteidae that lived during the Lower Jurassic. It has a single species, G. mirabilis.
There could be a "second" species, G. subdeltoideus. However, not much data has been gathered on it, but it is known from otoliths.
Description
[change | change source]This large fish had a sturgeon-like body, reaching 6 metres (20 ft) to 7 metres (23 ft) long.
Specimens
[change | change source]Gyrosteus is only known from incomplete fossil specimens.
References
[change | change source]- Hornung, Jahn J.; Sachs, Sven (2020). "First record of Gyrosteus mirabilis (Actinopterygii, Chondrosteidae) from the Toarcian (Lower Jurassic) of the Baltic region". PeerJ.