Zenaspis

Zenaspis
Temporal range:
Fossil of Zenaspis powriei
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Infraphylum: Agnatha
Class: Osteostraci
Order: Zenaspidida
Family: Zenaspididae
Genus: Zenaspis
Lankester, 1869
Type species
Zenaspis salweyi
Species
  • Zenaspis pagei
  • Zenaspis podolica
  • Zenaspis powriei
  • Zenaspis salweyi
  • Zenaspis waynensis

Zenaspis is an extinct genus of osteostracan jawless fish which existed during the early Devonian period. Due to it being jawless, Zenaspis was probably a bottom feeder. Zenaspis was around 10 inches (25 cm) in length. It had a horseshoe shaped head that probably sheltered a small brain.[1][2][3]

References

  1. ^ Palaeontographical Society. Palaeontographical Society. 1870.
  2. ^ "Zenaspis: Lower Devonian Bony Fish Of Podolia, Ukraine | Science 2.0". www.science20.com. 2014-08-27. Retrieved 2026-02-17.
  3. ^ https://www.paleocodex.com/species/102710