Placodermi - Arthrodira - Groenlandaspididae
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 G. C. Young and J. A. Long 2014
See also Long et al. 1997 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, Harrytoombsia, Heintzosteus, Heterostiina, Hollardosteus, Holonematina, Incisoscutoidea, Kendrickichthys, Kimberleyichthys, Kueichowlepis, Latocamurus, Laurentaspis, Lurapullaspis, Machaerognathus, Mcnamaraspis, Murmur, Mylostomatidae, Operchallosteus, Overtonaspis, Pachyosteidae, Pachyosteina, Parawilliamsaspis, Phlyctaenina, Phylctaeniida, Platyaspis, Prescottaspis, Qataraspis, Rhachiosteidae, Rolfosteus, Selenosteidae, Squamatognathus, Stegophthalami, Taemasosteus, Taunaspis, Temnothoraci, Timanosteus, Titanichthyidae, Toombalepis, Toombsosteus, Torosteus, Trachosteus, Tubonasus, Wheathillaspis, Wuttagoonaspina, Yinosteus, Phyllolepidoidei, Actinolepidoidei, Phlyctaenioidei, Brachythoracoidei
Subtaxa: Boomeraspis Groenlandaspis Mulgaspis Turrisaspis
Ecology: nektonic carnivore
Distribution:
• Devonian of Antarctica (3 collections), Colombia (1), South Africa (1), the United Kingdom (1)
Total: 6 collections including 7 occurrences