Atlantidosteus is an extinct genus of homostiid arthrodire from the Early to Middle Devonian of Morocco and Queensland.[1] It contains two known species, A. hollardi and A. pacifica.

Atlantidosteus
Temporal range: (Emsian to Eifelian) 407.7–387.7 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Suborder: Brachythoraci
Family: Homostiidae
Genus: Atlantidosteus
Lelièvre, 1984
Species

A. hollardi (Lelièvre) 1984
A. pacifica (Young) 2003

Description

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Atlantidosteus pacifica is known from a right suborbital plate, found in the Broken River Group of Queensland, Australia.[1]

Phylogeny

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Atlantidosteus is part of the clade Migmatocephala, closer related to Homostius, than Antineosteus.

Tityosteus

Antineosteus

Atlantidosteus

Homostius

The cladogram shown here is based on Young, 2003[1]

References

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  1. ^ a b c 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.