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:   | |
|---|---|
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| Fossil of Discoserra pectinodon | |
| Scientific classification  | |
| Domain: | Eukaryota | 
| 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
 
 
References
    
- Lund, Richard (2000). "The new Actinopterygian order Guildayichthyiformes from the Lower Carboniferous of Montana (USA)" (PDF). Geodiversitas. 22 (2): 171–206.
 - Albert, James S.; Johnson, Derek M. (23 November 2011). "Diversity and Evolution of Body Size in Fishes". Evolutionary Biology. 39 (3): 324–340. doi:10.1007/s11692-011-9149-0. S2CID 255346377.
 - "Exquisitely-Preserved Guildayichthys Mississippian Bear Gulch Fish". FossilMall.
 
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