Kingdom Animalia Class †Pteraspidomorphi Rank Suborder | Phylum Chordata Subclass †Heterostraci | |
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Similar Protaspididae, Pteraspididae, Pteraspidiformes, Psammosteidae, Doryaspis | ||
Pteraspidoidei is an extinct suborder of heterostracan vertebrates. It contains the more derived taxa within Pteraspidiformes, such as Pteraspis and Errivaspis, though, some protopteraspidids, such as Doryaspis and Panamintaspis, share various features with these derived pteraspidids.
References
Pteraspidoidei Wikipedia(Text) CC BY-SA