†order Hanyangaspidiformes (vertebrate)
Galeaspidomorphi - Hanyangaspidiformes
Parent taxon: Galeaspidomorphi according to R. van der Laan 2019
Sister taxa: Eugaleaspidiformes, Hyperaspididae, Polybranchiaspidida
Subtaxa: Dayongaspididae Hanyangaspididae Xiushuiaspididae
Ecology:
Distribution:
• Silurian of China (14 collections)
Total: 14 collections including 27 occurrences