Family Mathildidae Dall 1889 (snail)
Gastropoda - Architectonicoidea
Parent taxon: Architectonicoidea according to W. F. Ponder and A. Warén 1988
Sister taxa: Alexogyra, Architectonicidae, Tofanellidae
Subtaxa: Carinathilda, Clathrobaculus, Erratothilda, Fimbriatella, Gegania, Gymnothilda, Lemniscolittorina, Mathilda, Promathilda, Siphonilda, Teretrina, Toulminella, Tricarilda, Tuba
Type: Mathilda
Ecology: epifaunal carnivore