Aethaspis

Aethaspis; Temporal range: Devonian: Pragian, 410–407 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Genus:	†Aethaspis; Denison, 1958
Species
	†Aethaspis major Denison, 1958 (type); †Aethaspis utahensis Denison, 1958;

Aethaspis is an extinct genus of arthrodire placoderm fish from the Devonian period. Two species were described by Denison in 1958: Aethapsis major and Aethapsis utahensis.^[1] It is one of the more basal members of the order Arthrodira, as shown in the cladogram below: ^[2]

Arthrodira

Yujiangolepis liujingensis

	Kujdanowiaspis buczacziensis

	Kujdanowiaspis podolica

Actinolepidoidei

Phlyctaeniina

References

^ Van Valen, Leigh (January 1963). "The Head Shield of Macropetalichthys (Arthrodira)". Journal of Paleontology. 37 (1): 257–263.
^ 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.

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