†Pycnobasis (bryozoan)
Parent taxon: Stenolaemata according to J. J. Sepkoski 2002
Sister taxa: Archaeomeson, Assatkinella, Bajolla, Basslederella, Brestopora, Cryptostomata, Cryptostomida, Cyclophaenopora, Cyclostomata, Cystoporata, Cystoporida, Fenestrata, Fenestrida, Glossotrypa, Magnederella, Niigaella, Orbiporidae, Radiotrypa, Rhabdomesida, Rhenanerella, Schischatella, Trepostomida, Tubuliporata
Subtaxa: none
Ecology: stationary epifaunal suspension feeder