†order Polybranchiaspidiformes Liu 1965 (vertebrate)

Galeaspida - Polybranchiaspidiformes

Parent taxon: Polybranchiaspidida according to M. Zhu and Z.-K. Gai 2007

Sister taxa: Geraspididae, Huananaspidiformes, Zhaotongaspididae

Subtaxa: Duyunolepididae Gumuaspis Pentathyraspididae Polybranchiaspididae

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Ecology:

Distribution:

• Devonian of China (2 collections)

• Silurian of China (1)

Total: 3 collections including 18 occurrences

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