†family Irregularaspidae Kiaer and Heinz 1935 (jawless fish)
Pteraspidomorpha - Cyathaspidiformes - Irregularaspidae
Parent taxon: Cyathaspidoidei according to R. Van Der Laan 2019
Sister taxa: Americaspidae, Dictyaspidellidae, Dictyonaspidae, Dinaspidellidae, Torpedaspididae
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Irregularaspidae in the database