†order Arandaspidiformes Ritchie and Gilbert-Tomlinson 1977 (jawless fish)
Pteraspidomorpha - Arandaspidiformes
Full reference: A. Ritchie and J. Gilbert-Tomlinson. 1977. First Ordovician vertebrates from the Southern Hemisphere. Alcheringa 1:351-368
Parent taxon: Arandaspida according to R. Van Der Laan 2019
See also Long 2011, Nelson et al. 2016, Ritchie and Gilbert-Tomlinson 1977 and Young 2009
Sister taxa: Arandaspididae, Aseraspididae
Subtaxa: Porophoraspidae
Ecology:
Distribution: there are no occurrences of Arandaspidiformes in the database