Placodermi - Arthrodira

Parent taxon: Arthrodira according to R. Denison 1978

See also Jordan 1963 and Sepkoski 2002

Sister taxa: Acanthaspida, Actinolepidiformes, Actinolepidoidei, Actinolepina, Africanaspis, Antarctolepis, Arctonema, Arenipiscis, Aspidichthys, Atlantidosteus, Brachydeirina, Bruntonichthys, Bullerichthys, Callognathus, Carolowilhelmina, Coccosteina, Coccosteoidei, Cosmacanthus, Cravenaspis, Diplognathus, Erikaspis, Errolosteus, Eskimaspis, Euarthrodira, Eubrachythoraci, Glyptaspis, Grazosteus, Harrytoombsia, Heintzosteus, Heterostiina, Hollardosteus, Holonematina, Huaningichthys, Incisoscutoidea, Kartalaspis, Kimberleyichthys, Kueichowlepis, Kunmingolepis, Latocamurus, Laurentaspis, Lurapullaspis, Machaerognathus, Mcnamaraspis, Mediaspidae, Murmur, Operchallosteus, Overtonaspis, Pachyosteidae, Pachyosteina, Parawilliamsaspis, Phlyctaeniiformes, Phlyctaenina, Pholidosteidae, Phylctaeniida, Phyllolepida, Platyaspis, Prescottaspidae, Qataraspis, Rolfosteus, Squamatognathus, Stegophthalami, Taemasosteus, Taunaspis, Temnothoraci, Timanosteus, Toombalepis, Toombsosteus, Tubonasus, Tyriolepis, Wheathillaspis, Wuttagoonaspina, Yinosteus, Phyllolepidoidei, Brachythoracoidei

Subtaxa: Copanognathus crassus

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Ecology: nektonic carnivore

Distribution: there are no occurrences of Copanognathus in the database

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Specimen images are retrieved through the ePANDDA API.