†family Phialaspididae White 1946 (jawless fish)
Pteraspidomorpha - Traquairaspidiformes - Phialaspididae
Parent taxon: Traquairaspidiformes according to R. van der Laan 2019
Sister taxa: Phialaspis, Weigeltaspidae
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Phialaspididae in the database