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Coccosteoidea Temporal range: ~Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Artist's reconstruction of Coccosteus cuspidatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Placodermi
Order:	†Arthrodira
Suborder:	†Brachythoraci
Clade:	†Eubrachythoraci
Clade:	†Coccosteomorphi
Superfamily:	†Coccosteoidea Denison, 1978
Families
Coccosteidae Panxiosteidae?

Coccosteoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period.

Eubrachythoraci is divided into the sister clades Pachyosteomorphi and Coccosteomorphi, the latter of which can be further sub-divided into the two sister superfamilies Coccosteoidea and Incisoscutoidea, as shown in the cladogram below:^[1]