Diplacanthiformes

Subtaxa

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