Umbonulidae
Umbonulidae is a family of bryozoans belonging to the order Cheilostomatida.
Genera:Aegyptopora Ziko, 1988Astochoporella Hayward & Thorpe, 1988Desmacystis Osburn, 1950Escharopsis Verrill, 1879Oshurkovia Grischenko & Mawatari, 2005Posterula Jullien, 1903Rhamphostomella Lorenz, 1886Scorpiodina Jullien, 1886Trigonopora Maplestone, 1902Umbonula Hincks, 1880