Benneviaspidida

Benneviaspidida Temporal range: 416–398 Ma PreꞒ Ꞓ O S D C P T J K Pg N Early Devonian
Boreaspis, a fish in order Benneviaspidida
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Osteostraci
Order:	Benneviaspidida
Families
Boreaspididae

Benneviaspidida is an order of osteostracan jawless fishes which lived in the Early Devonian. The fishes in order Benneviaspidida have a flat headshield and are dorsoventrally depressed. The first canal to lateral sensory field bifurcates near the orbit.

Phylogeny[]

• Osteostraci
  • Ateleaspis
  • • • Hemicyclaspis
        • Cornuata
          • Cephalaspidida
          • Zenaspidida
            • Benneviaspidida

References[]

External links[]

• Benneviaspidida at Palaeos
• Osteostraci by Philippe Janvier
• Osteostraci at Mikko's Phylogeny Archive
• Early Devonian osteostracans from Russia