†family Helenoporidae Ross 1987 (bryozoan)
Stenolaemata - Trepostomida - Helenoporidae
Parent taxon: Trepostomida according to S. Sakagami 1998
Sister taxa: none
Subtaxa: Helenopora
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Cape Joseph Henry, Block LB-1, Ellesmere Island (Permian of Nunavut)