This article needs additional citations for verification .(June 2008)  | 
| Phlyctaenius Temporal range:   | |
|---|---|
|   | |
| Skull roof of P. acadius (specimen RSM GY 1897.51.129) | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | † Placodermi | 
| Order: | † Arthrodira | 
| Family: | † Phlyctaeniidae | 
| Genus: | † Phlyctaenius  Traquair, 1890  | 
| Species | |
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| Synonyms | |
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Phlyctaenius is an extinct genus of placoderm fish, which lived during the Devonian period of New Brunswick, Canada. [1] It was named by Traquair (1890) [2] [3] as a replacement for Phlyctaenium Zittel (1879), which was preoccupied. [4]
One species, P. anglicus, was known from remains found in England and Wales and was initially described by Traquair (1890). [3] It was moved to Heightingtonaspis when the genus was described by White (1969). [5]