Annelida Lamarck, 1809 - segmented worms
   "polychaetes" see Class Polychaeta Grube, 1850
     Scolecida G.W. Rouse & K. Fauchald, 1997 see Order Scolecida Rouse & Fauchald, 1997
       Family Orbiniidae Hartman, 1942
         Subfamily Microrbiniinae Blake, 2000a
           1 ?Genus Proscoloplos Day, 1954
           2.1 Orbiniella branchiata Hartman, 1967
           2.2.1 Genus Microrbinia Hartman, 1965
           2.2.2 Genus Falklandiella Hartman, 1967
           2.2.3 Genus Orbiniella Day, 1954