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Guildayichthyidae
| Guildayichthyidae Temporal range:
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|---|---|
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| Fossil of Discoserra pectinodon | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | †Guildayichthyiformes Lund, 2000 |
| Family: | †Guildayichthyidae Lund, 2000 |
| Genera | |
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See text | |
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]
- ^ 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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