Ctenothrissiformes
| Ctenothrissiformes Temporal range: Late Cretaceous,  | |
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| Fossil of Ctenothrissa vexillifer | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Clade: | Acanthomorpha | 
| Order: | †Ctenothrissiformes Berg 1937 | 
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Ctenothrissiformes is an extinct order of prehistoric acanthomorph ray-finned fish, known from the mid-late Cretaceous of Europe and the Middle East.