| Archichthys Temporal range: Carboniferous
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Sarcopterygii |
| Clade: | Tetrapodomorpha |
| Class: | †Rhizodontida |
| Order: | †Rhizodontiformes |
| Family: | †Rhizodontidae |
| Genus: | †Archichthys Hancock and Atthey, 1870 |
| Type species | |
| †Archichthys portlockii Portlock, 1843
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| Synonyms | |
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Archichthys is a genus of rhizodont lobe-finned fish that lived throughout the Carboniferous period. Fossils have been found in Northern Ireland and England.[1]
- ^ Jeffery, Jonathan E. (2006). "The Carboniferous fish genera Strepsodus and Archichthys (Sarcopterygii: Rhizodontida): Clarifying 150 years of confusion". Palaeontology. 49 (1): 113–132. Bibcode:2006Palgy..49..113J. doi:10.1111/j.1475-4983.2005.00531.x.