| A (2 species) | 
| Aleosteus - Late Emsian | 
| Austroptyctodus - Late Frasnian | 
| B (2 species) | 
| Bothriolepis - Late Devonian~387-360 Ma | 
| Brindabellaspis - Early Devonian | 
| C (2 species) | 
| Coccosteus - Middle Devonian-Late Devonian | 
| Ctenurella - Late Devonian | 
| D (2 species) | 
| Dinichthys - Late Devonian, 380-360 Ma | 
| Dunkleosteus - Frasnian-Famennian, 382-358 Ma | 
| E (1 species) | 
| Entelognathus - Late Ludlow | 
| F (0 species) | 
| G (2 species) | 
| Gemuendina - Emsian | 
| Groenlandaspis - Late Devonian | 
| H (0 species) | 
| I (0 species) | 
| J (0 species) | 
| K (0 species) | 
| L (0 species) | 
| M (3 species) | 
| Materpiscis - Late Devonian, 380 Ma | 
| Megaloplax - Emsian to Frasnian | 
| Melanosteus - Late Frasnian[1] | 
| N (0 species) | 
| O (1 species) | 
| Oxyosteus - Middle to Late Frasnian[1] | 
| P (1 species) | 
| Potangaspis - Early Devonian, 420 Ma | 
| Q (0 species) | 
| R (2 species) | 
| Rhamphodopsis - Middle Devonian | 
| Rolfosteus - Frasnian | 
| S (1 species) | 
| Stensioella - Emsian | 
| T (2 species) | 
| Titanichthys - Famennian | 
| Tubonasus - Frasnian | 
| U (0 species) | 
| V (0 species) | 
| W (1 species) | 
| Wuttagoonaspis - Middle Devonian | 
| X (0 species) | 
| Y (0 species) | 
| Z (0 species) |