Atlantidosteus
| Atlantidosteus | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | †Placodermi | 
| Order: | †Arthrodira | 
| Suborder: | †Brachythoraci | 
| Family: | †Homostiidae | 
| Genus: | †Atlantidosteus Lelièvre, 1984 | 
| Species | |
| †A. hollardi  (Lelièvre) 1984 | |
Atlantidosteus is an extinct genus of homostiid arthrodire from the Early to Middle Devonian of Morocco and Queensland. It contains two known species, A. hollardi and A. pacifica.