Proaethaspis is an extinct monospecific genus of arthrodire placoderm fish from the Early Devonian period.[1] The type species Proaethaspis ohioensis was described in 1960, but was assigned to the genus Proaethaspis in 1978.

Proaethaspis
Temporal range: Early Devonian: Pragian, 410–407 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Genus: Proaethaspis
Denison, 1978
Species
  • Proaethaspis ohioensis Denison, 1960 (type)

Classification

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Proaethaspis is one of the more basal members of the order Arthrodira, closely related to Baringaspis, as shown in the cladogram below:[2]

Eurycaraspis incilis

Lunaspis broilii

Arthrodira
Actinolepidoidei
Phlyctaeniina


References

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  1. ^ Johnson, H.G.; Elliot, David; Wittke, James (2000). "A new actinolepid arthrodire (Class Placodermi) from the lower Devonian Sevy Dolomite, East-Centrai Nevada". Zoological Journal of the Linnean Society. 129: 241–266. doi:10.1006/zjls.1999.0206.
  2. ^ Dupret, V.; Zhu, M. I. N.; Wang, J. N. Q. (2009). "The morphology of Yujiangolepis liujingensis (Placodermi, Arthrodira) from the Pragian of Guangxi (south China) and its phylogenetic significance" (PDF). Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.