Zenaspis is an extinct genus of jawless fish which existed during the early Devonian period. Due to it being jawless, Zenaspis was probably a bottom feeder. The fish was around 10 inches (25 cm) in length. It had a horseshoe shaped head that probably sheltered a small brain.

Zenaspis
Temporal range: Early Devonian
Fossil of Zenaspis powriei
Scientific classification
Kingdom:
Phylum:
Class:
Subclass:
Order:
Family:
Genus:
Zenaspis

Lankester, 1869


Life reconstruction of Zenaspis pagei

References

edit