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†
Aspinothoracida
(fish)
Taxa
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Hierarchy
Nomenclature
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Entity:
†Pachyosteomorphi ([unranked]) - pachyosteomorphs
..†Aspinothoracidi ([unranked])
..[†Brachydeiroidea] (Superfamily)
..†Dunkleosteidae (Family)
..[†Dunkleosteoidea] (Superfamily)
..†Panxiosteidae (Family)
..[†Plourdosteidae] (Family)
..†Protitanichthys (Genus)
..[†Rachiosteidae] (Family)
..†Rhachiosteidae (Family)
..†Westralichthys (Genus)
..†Xiangshuiosteus (Genus)
..[†Aspinothoracida] ([unranked])
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Placodermi
-
(Order)
Phlyctaeniiformes
Current position
†
Pachyosteomorphi
([unranked])
Stensiö, 1944
Ref:
J. Boyle & M.J. Ryan, 2017
: fig. 17.
[rough position] [indirect]
Historical positions
†
Arthrodira
(Order)
Woodward, 1891
Ref:
J. Boyle & M.J. Ryan, 2017
: fig. 17.
[rough position] [indirect]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025