| Atlantidosteus Temporal range: (Emsian to Eifelian) 407.7–387.7 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Suborder: | †Brachythoraci |
| Family: | †Homostiidae |
| Genus: | †Atlantidosteus Lelièvre, 1984 |
| Species | |
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†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.
Description
Atlantidosteus pacifica is known from a right suborbital plate, found in the Broken River Group of Queensland, Australia.
Phylogeny
Atlantidosteus is part of the clade Migmatocephala, closer related to Homostius, than Antineosteus.
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The cladogram shown here is based on Young, 2003
References
- ^ Young, G. C. (2003). "A new species of Atlantidosteus Lelièvre, 1984 (Placodermi, Arthrodira, Brachythoraci) from the Middle Devonian of the Broken River area (Queensland, Australia)". Geodiversitas. 25 (4): 681–694.
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| Taxon identifiers | |
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| Atlantidosteus | |
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