Guildayichthyidae Explained

Guildayichthyidae is a prehistoric family of marine fish from the Mississippian Bear Gulch Limestone of Montana.^{[1] [2]} It is the only family in the order Guildayichthyiformes. Guildayichthyids possess an uncommon mixture of primitive and modern characteristics in their skull bones.^[3]

Taxonomy

This family consists of the following genera and species:

• Genus Guildayichthys Lund, 2000
  • Species Guildayichthys carnegiei Lund, 2000
• Genus Discoserra Lund, 2000
  • Species Discoserra pectinodon Lund, 2000

References

1. Lund . Richard . The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA) . Geodiversitas . 2000 . 22 . 2 . 171–206 .
2. Albert. James S.. Johnson. Derek M.. Diversity and Evolution of Body Size in Fishes. Evolutionary Biology. 23 November 2011. 39. 3. 324–340. 10.1007/s11692-011-9149-0. 255346377 .
3. Web site: Exquisitely-Preserved Guildayichthys Mississippian Bear Gulch Fish. FossilMall.