Benneviaspidida

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Benneviaspidida
Fossil range: Early Devonian
Boreaspis, a fish in order Benneviaspidida
Boreaspis, a fish in order Benneviaspidida
Conservation status
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Osteostraci

Benneviaspidida is an order in cladogram of prehistoric fishes which lived in the Early Devonian. The fishes in order Benneviaspidida have flat headshield and dorsoventrally depressed. They have also short body. The first canal to lateral sensory field bifurcates near the orbit.

[edit] Phylogeny

  • Osteostraci
    • Ateleaspis
    • Aceraspis
    • Tuvaspis
      • Hirella
        • Hemicyclaspis
          • Tremataspidae
          • Dartmuthiidae
          • Sclerodontidae
          • Tannuaspidida
          • Cornuta
            • Cephalaspidida
            • Zenaspidida
              • Benneviaspidida

[edit] External links