†order Polybranchiaspidiformes Liu 1965 (vertebrate)

Galeaspida - Polybranchiaspidiformes

Parent taxon: Polybranchiaspidida according to Z. Gai et al. 2018

See also Zhu and Gai 2007

Sister taxa: Geraspididae, Huananaspiformes, Zhaotongaspididae

Subtaxa: Duyunolepididae Gumuaspidae Pentathyraspididae Polybranchiaspididae

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Ecology:

Distribution:

• Devonian of China (10 collections), Vietnam (3)

• Silurian of China (2)

Total: 15 collections including 33 occurrences

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