Diplacanthiformes

Diplacanthiformes is an order of "acanthodian" stem-chondrichthyans which lived during the Devonian Period.

Subtaxa

incertae sedis
* Genus Bryantonchus
* Genus Culmacanthus
* Genus Devononchus
* Genus Striacanthus
* Genus Tetanopsyrus
Family Diplacanthidae
* Genus Angelacanthus
* Genus Diplacanthus
* Genus Milesacanthus
* Genus Ptychodictyon
* Genus Rhadinacanthus
Family Gladiobranchidae?
* Genus Gladiobranchus
* Genus Uraniacanthus?