Full reference: P. N. Annand. 1928. A contribution toward a monograph of the Adelginae (Phylloxeridae) of North America. Stanford University Publication, University Series, Biological Sciences 62(1):1-146
Parent taxon: Aphidomorpha according to J. Szwedo 2018
See also Heie and Wegierek 2011
Sister taxa: Aphidinius, Aphidoidea, Canaphis, Dataiphis, Dormilatusaphis, Dubiaphis, Echinaphis, Genaphidoidea, Holmaniella, Isolitaphidae, Palaeoaphidoidea, Phylloxeroidea, Tajmyraphidoidea, Triassoaphidoidea, Yueaphis
Subtaxa: Adelgidae Elektraphididae Mesozoicaphididae
Ecology:
Distribution:
• Pliocene of Germany (1 collection)
• Eocene of Denmark (1), Poland (1), the Russian Federation (5), the United Kingdom (1)
• Cretaceous of Canada (6: Alberta, Saskatchewan), the Russian Federation (2)
Total: 17 collections including 34 occurrences