†Gordonicyathus dorfi Handfield 1971 (sponge)
Belongs to Gordonicyathus according to R.C. Handfield 1971
Sister taxa: Gordonicyathus absolutus, Gordonicyathus levis, Gordonicyathus pledgei, Gordonicyathus systylus, Gordonicyathus walteri
Type specimen: GSC #25335
Ecology: stationary intermediate-level epifaunal suspension feeder