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Coccosteus
Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Placodermi
Order Arthrodira
Family Coccosteidae
Genus Coccosteus
Conservation Status
EXSpecies
Extinct
Coccosteus is an extinct genus of arthrodire placoderm. Its fossils have been found throughout Europe and North America. The majority of these have been found in freshwater sediments, though, such a large range suggests taht they may have been able to enter saltwater. The largest specimens were about 16 inches, although the average length was 7.9 to 9.4 inches.

The type species is Coccosteus cuspidatus and it is an important index fossil in the continental Devonian sequence of northern Scotland deposited in the Orcadian Basin. It is only present at and below the Upper Eifelian Achanarras limestone level.

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