†order Arthrodira Woodward 1891 (armour-plated fish)

Osteichthyes - Arthrodira

Synonym: Arthrodiriformes Grande and Eastman 1986

Parent taxon: Placodermi according to G. C. Young and J. A. Long 2014

See also Bryant 1932, Denison 1975, Dineley and Metcalf 1999, Grande and Eastman 1986, Long 2011, Obruchev 1964, Straka and Semken 1969 and Young 2010

Sister taxa: Acanthothoraci, Antiarcha, Austroptyctodus, Brindabellaspida, Campbellodus, Nessariostoma, Petalichthida, Petalichthyida, Phyllolepida, Pseudopetalichthyida, Ptyctodontida, Rhenanida, Stensioellida

Subtaxa: Acanthaspida Actinolepidoidei Actinolepina Africanaspis Arctolepidae Arctonema Arenipiscis Atlantidosteus Belemnacanthus Belosteus Brachydeirina Brachydeirus Brachyosteus Brachythoraci Braunosteus Bruntonichthys Buchanosteus Bullerichthys Bungartiidae Burrinijucosteus Callognathus Camuropiscidae Coccosteina Cosmacanthus Cyrtosteus Deirosteus Deveonema Dicksonosteus Eldenosteus Errolosteus Erromenosteus Eskimaspis Euantiarcha Euarthrodira Eubrachythoraci Gemuendenaspis Goodradigbeeon Grazosteus Groenlandaspis Gyroplacosteus Harrytoombsia Heterostiina Holdenius Hollardosteus Holonematina Incisoscutoidea Incisoscutum Kendrickichthys Kimberia Kimberleyichthys Kueichowlepis Latocamurus Laurentaspis Leptosteus Malerosteus Mcnamaraspis Megaloplax Murmur Mylostomatidae Operchallosteus Overtonaspis Oxyosteus Pachyosteidae Pachyosteina Parabelosteus Parabuchanosteus Paramylostoma Phlyctaenina Phylctaeniida Plourdosteus Prescottaspis Qataraspis Rachiosteus Rhachiosteidae Rhenonema Rolfosteus Selenosteidae Squamatognathus Stegophthalami Stuertzaspis Synauchenia Taemasosteus Tafilalichthys Tapinosteus Taunaspis Temnothoraci Tiaraspis Timanosteus Titanichthyidae Toombsosteus Torosteus Trematosteus Tropidosteus Tubonasus Wheathillaspis Williamsaspis Wuttagoonaspina Yinosteus

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Ecology: nektonic carnivore

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