†suborder Pachyosteina Obruchev 1964 (armour-plated fish)

Placodermi - Arthrodira

Alternative spelling: Pachyosteida

Full reference: D. V. Obruchev. 1964. Branch Agnatha. In D. V. Obruchev (ed.), Fundamentals of Paleontology. Vol. XI. Agnatha, Pisces. Izdatel'stvo "Nauka", Moscow 36-167

Parent taxon: Arthrodira according to R. Denison 1978

See also Denison 1975 and Obruchev 1964

Sister taxa: Acanthaspida, Actinolepina, Africanaspis, Antarctolepis, Arctolepidae, Arctonema, Arenipiscis, Aspidichthys, Atlantidosteus, Brachydeirina, Brachythoraci, Bruntonichthys, Bullerichthys, Bungartiidae, Burrinijucosteus, Callognathus, Camuropiscidae, Coccosteina, Copanognathus, Cosmacanthus, Cravenaspis, Diplognathus, Erikaspis, Errolosteus, Eskimaspis, Euarthrodira, Eubrachythoraci, Glyptaspis, Goodradigbeeon, Grazosteus, Groenlandaspididae, Harrytoombsia, Heintzosteus, Heterostiina, Hollardosteus, Holonematina, Incisoscutoidea, Kendrickichthys, Kimberleyichthys, Kueichowlepis, Latocamurus, Laurentaspis, Lurapullaspis, Machaerognathus, Mcnamaraspis, Murmur, Mylostomatidae, Operchallosteus, Overtonaspis, Pachyosteidae, Parawilliamsaspis, Phlyctaenina, Phylctaeniida, Platyaspis, Prescottaspis, Qataraspis, Rhachiosteidae, Rolfosteus, Selenosteidae, Squamatognathus, Stegophthalami, Taemasosteus, Taunaspis, Temnothoraci, Timanosteus, Titanichthyidae, Toombalepis, Toombsosteus, Torosteus, Trachosteus, Tubonasus, Wheathillaspis, Wuttagoonaspina, Yinosteus, Phlyctaenioidei, Actinolepidoidei, Brachythoracoidei, Phyllolepidoidei

Subtaxa: Erromenosteidae Hussakofiidae

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Ecology: nektonic carnivore

Distribution: there are no occurrences of Pachyosteina in the database

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