Agnatha
alamselts

Pteraspidoidei Janvier, 1996

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Valik taksonit käsitlevast teaduskirjandusest
Karatajūtė-Talimaa, V. 1989. Skalviaspis narbutasi gen. et sp. nov., a New Representative of the Pteraspidida (Heterostraci) from the East Baltic Lower Devonian.Geologija 10 , 79-93.
Novitskaya, L. I. 1986. Drevnejšie besčelûstnye SSSR. Geterostraki: ciataspidy, amfiaspidy, pteraspidy.Transactions of the Paleontological Institute (PIN) 219 , 1-160.
Novitskaya, L. I. 1983. Morphology of the early agnathans.Transactions of the Paleontological Institute (PIN) 196 , 1-183.
Klassifikatsioon