Brachythoraci
| Brachythoraci Temporal range: Devonian |
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| Reconstruction of the coccosteine Coccosteus decipiens | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Gnathostomata |
| Class: | Placodermi |
| Order: | Arthrodira |
| Suborder: | Brachythoraci |
| Contained taxa | |
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Brachythoraci is an extinct suborder of arthrodire placoderms, armored fish most diverse during the Devonian. The suborder previously only contained the infraorder Coccosteina, but the more basal family, Heterosteidae is now placed within there too.
Below is a cladogram from Carr and Hlavin (2010).
Buchanosteus confertituberculatus
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