Guildayichthyidae
| Guildayichthyidae Temporal range: | |
|---|---|
| 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 | |
Guildayichthyidae is a prehistoric family of marine fish from the Mississippian Bear Gulch Limestone of Montana. It is the only family in the order Guildayichthyiformes. Guildayichthyids possess an uncommon mixture of primitive and modern characteristics in their skull bones.
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