†superfamily Siphogonuchitoidea Qian 1977 (mollusk)
Parent taxon: Sachitida according to P. Y. Parkhaev and Y. Demidenko 2010
Sister taxa: Aculifera, Adversella, Carubacgutes, Halkierioidea, Hippopharangites, Miriella, Quadrochites, Siphogonuchitidae, Ninella, Australohalkieria, Orthrozanclidae, Wiwaxia
Subtaxa: none
Ecology: epifaunal grazer
Distribution: there are no occurrences of Siphogonuchitoidea in the database