PaleoDB taxon number: 34374
Parent taxon: Arthrodira according to J. J. Sepkoski 2002
Sister taxa: Actinolepidae, Africanaspis, Arctolepidae, Arctonema, Arenipiscis, Atlantidosteus, Belemnacanthus, Belosteus, Brachydeirus, Brachyosteus, Braunosteus, Bruntonichthys, Buchanosteus, Bullerichthys, Bungartius, Burrinijucosteus, Callognathus, Camuropiscidae, Cosmacanthus, Cyrtosteus, Deirosteus, Deveonema, Dicksonosteus, Eldenosteus, Errolosteus, Erromenosteus, Eskimaspis, Euantiarcha, Euarthrodira, Eubrachythoraci, Gemuendenaspis, Goodradigbeeon, Grazosteus, Groenlandaspis, Gyroplacosteus, Harrytoombsia, Holdenius, Hollardosteus, Incisoscutoidea, Incisoscutum, Kendrickichthys, Kimberia, Kimberleyichthys, Kueichowlepis, Latocamurus, Laurentaspis, Leptosteus, Malerosteus, Mcnamaraspis, Megaloplax, Murmur, Operchallosteus, Overtonaspis, Oxyosteus, Parabuchanosteus, Paramylostoma, Phlyctaeniidae, Plourdosteus, Prescottaspis, Qataraspis, Rachiosteus, Rhenonema, Rolfosteus, Selenosteidae, Squamatognathus, Stegophthalami, Stuertzaspis, Synauchenia, Taemasosteus, Tafilalichthys, Tapinosteus, Taunaspis, Temnothoraci, Tiaraspis, Timanosteus, Toombsosteus, Torosteus, Trematosteus, Tropidosteus, Tubonasus, Wheathillaspis, Williamsaspis, Wuttagoonaspina, Yinosteus, Phyllolepida, Phylctaeniida, Actinolepidoidei, Brachythoraci
Subtaxa: none
Ecology: nektonic carnivore