 | This article relies largely or entirely on a single source. (May 2022) |
| Coccosteoidea Temporal range: ~
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| Artist's reconstruction of Coccosteus cuspidatus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Suborder: | †Brachythoraci |
| Clade: | †Eubrachythoraci |
| Clade: | †Coccosteomorphi |
| Superfamily: | †Coccosteoidea Denison, 1978 |
| Families | |
Coccosteoidea is an extinct superfamily of arthrodire placoderms that lived during the Devonian period.