Yujiangolepis is an extinct monospecific genus of arthrodire placoderm fish from the Pragian stage of the Devonian period. The type species is Yujiangolepis liujingensis, described from a single incomplete skull roof from the Nakaoling (Nagaoling) Formation of Hengxian, Guangxi, South China. It is one of the more basal members of the order Arthrodira, closely related to Antarctaspis, as shown in the cladogram below:[1]
Eurycaraspis incilis
Lunaspis broilii
Yujiangolepis liujingensis
Antarctaspis mcmurdoensis
Wuttagoonaspis fletcheri
Yiminaspis shenme
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
Gavinaspis convergens
Austrophyllolepis sp.
Cowralepis mclachlani
Phyllolepis orvini
Placolepis budawangensis
Bollandaspis woschmidti
Actinolepis spinosa
Actinolepis magna
Actinolepis tuberculata
Bryantolepis brachycephalus
Phlyctaeniidae
Groenlandaspidae
Dicksonosteus arcticus
Arctolepidae
Brachythoraci
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