Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Bryozoa Ehrenberg, 1831 - bryozoans
     Class Stenolaemata Borg, 1926
       1 Order †Trepostomata Ulrich, 1882
       2 Order †Cystoporata Astrova, 1964
       3 Order †Cryptostomata Vine, 1884 see Order Cryptostomida Bassler, 1953
       4 Order †Fenestrata Elias & Condra, 1957 see Order Fenestellida Astrova & Morozova, 1956
       5 Order Tubuliporata