Aethaspis

Aethaspis; Temporal range: Devonian: Pragian,
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. It is one of the more basal members of the order Arthrodira, as shown in the cladogram below:

Lunaspis broilii

Eurycaraspis incilis

Arthrodira

Yujiangolepis liujingensis

Antarctaspis mcmurdoensis

Wuttagoonaspidae

	Yiminaspis shenme

	Wuttagoonaspis fletcheri

	Aethaspis major

	Aethaspis utahensis

Lehmanosteus hyperboreus

	Aleosteus eganensis

	Simblaspis cachensis

	Kujdanowiaspis buczacziensis

	Kujdanowiaspis podolica

	Erikaspis zychi

	Sigaspis lepidophora

Eskimaspis heintzi

	Baringaspis dineleyi

	Proaethaspis ohioensis

Anarthraspis chamberlini

Heightingtonaspis anglica

Phyllolepida

Gavinaspis convergens

	Phyllolepis orvini

	Austrophyllolepis sp.

	Cowralepis mclachlani

	Placolepis budawangensis

Actinolepidae

Bollandaspis woschmidti

Actinolepis spinosa

	Actinolepis magna

	Actinolepis tuberculata

Bryantolepis brachycephalus

Phlyctaenioidei

Phlyctaeniidae

Groenlandaspidae

Arctaspidae	Dicksonosteus arcticus

	Arctolepidae

Brachythoraci

Actinolepidoidei

Phlyctaeniina

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