†family Guildayichthyidae Lund 2000 (ray-finned fish)
Osteichthyes - Guildayichthyiformes - Guildayichthyidae
Full reference: R. Lund. 2000. The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA). Geodiversitas 22(2):171-206
Parent taxon: Guildayichthyiformes according to R. Lund 2000
See also Nelson et al. 2016
Sister taxa: none
Subtaxa: Discoserra Guildayichthys
Type: Guildayichthys
Ecology:
Distribution:
• Carboniferous of United States (7: Montana collections)
Total: 7 collections including 9 occurrences