Pteraspidomorpha - Cyathaspidiformes

Parent taxon: Cyathaspidiformes according to R. Van Der Laan 2019

Sister taxa: Cyathaspidoidei, Hibernaspidoidei

Subtaxa: Siberiaspididae Tuxeraspididae

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Ecology:

Distribution: there are no occurrences of Siberiaspidoidei in the database

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