Benneviaspidida
Temporal range: Early Devonian
Life restoration of Boreaspis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Osteostraci
Order: Benneviaspidida
Subgroups[1]
  • Benneviaspis
  • Ectinaspis
  • Securiaspis
  • Boreaspidoidea
    • Hoelaspis
    • Severaspis
    • Boreaspididae
      • Belonaspis
      • Boreaspis
      • Spatulaspis
      • Tauraspis

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

Phylogeny

The cladogram below is adapted from Sansom (2009):[1]

Benneviaspidida

Ectinaspis

Securiaspis

"Benneviaspis" longicornis

"Benneviaspis" anglica

"Benneviaspis" lankasteri

Benneviaspis

Boreaspidoidea

Hoelaspis

Severaspis

"Boreaspis" ceratops

"Boreaspis" intermedia

Boreaspis

Dicranaspis

Spatulaspis

Belonaspis

Hapilaspis

Tauraspis

References

  1. 1 2 Sansom, R. S. (2009). "Phylogeny, classification and character polarity of the Osteostraci (Vertebrata)". Journal of Systematic Palaeontology. 7 (1): 95–115. doi:10.1017/S1477201908002551.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.