†Unarkaspis Elliott 1983 (jawless fish)
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Pteraspidomorpha - Pteraspidiformes
Parent taxon: Pteraspidoidei according to E. Randle and R. S. Sansom 2017
See also Blieck 1984 and Blieck et al. 2002
Sister taxa: Alaeckaspis, Blieckaspis, Djurinaspis, Doryaspidae, Eucyclaspis, Europrotaspis, Lamiaspis, Larnovaspis, Mylopteraspidella, Oreaspis, Panamintaspis, Parapteraspis, Pirumaspis, Podolaspis, Protaspididae, Protaspis, Psammosteidae, Pteraspis, Rhinopteraspididae, Semipodolaspis
Subtaxa: none
Ecology:
Distribution: found only at October Revolution Island [Pod'emnaya Fm] (Devonian of Russian Federation)
Specimen images are retrieved through the ePANDDA API.
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