[2] Based on more recent research, they may instead be included (alongside the Neopseustidae and the Aenigmatineidae) in superfamily Neopseustoidea.

[1]: 676 Genus Catapterix was originally described within its own family, Catapterigidae,[11][12] which is considered a junior synonym of Acanthopteroctidae,[13] with which it shares specialised structural features including similar wing morphology (in A.

[1]: 691 [6] Other than a single record of a specimen tentatively identified as Acanthopteroctetes bimaculata,[1]: 691  the larvae of the remaining species in both genera are unknown.

Acanthopteroctetes unifascia larvae are leaf-miners on the shrub genus Ceanothus (Rhamnaceae).

The specimen tentatively identified as Acanthopteroctetes bimaculata was recorded from a leaf mine on a Ribes sp.