Osteichthyes - Neopterygii - 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: Neopterygii according to M. Friedman et al. 2010
See also Lund 2000 and Nelson et al. 2016
Sister taxa: Ducanichthys, Frodoichthys, Gebrayelichthyidae, Gimlichthys, Ginglymodi, Halecomorphi, Holostei, Lombardinidae, Louwoichthyiformes, Luganoiiformes, Peltopleuriformes, Perleidiformes, Pholidopleuriformes, Placopleurus, Plesiofuro, Pycnodontiformes, Signeuxellidae, Sphaerodontidae, Venusichthyidae
Subtaxa: Discoserra Guildayichthys
Type: Guildayichthys
Ecology: planktonic suspension feeder
Distribution:
• Carboniferous of United States (7: Montana collections)
Total: 7 collections including 9 occurrences