Guildayichthyidae

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]

Guildayichthyidae Temporal range: Mississippian PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Discoserra pectinodon
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	†Guildayichthyiformes Lund, 2000
Family:	†Guildayichthyidae Lund, 2000
Genera
See text

Taxonomy

This family consists of the following genera and species:^[1]

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