[Class] Cestoda - tapeworms see Infraclass Cestoda
   Order Onchoproteocephalidea Caira, Jensen, Waeschenbach, Olson & Littlewood, 2014
     Family Proteocephalidae La Rue, 1911
       Subfamily Monticelliinae Mola, 1929 [non-monophyletic]
         Genus Spasskyellina Freze, 1965
           1 Spasskyellina lenhaᵀ (Woodland, 1933)
           2 Spasskyellina mandi Pavanelli & Takemoto, 1996
           3 Spasskyellina spinulifera (Woodland, 1935)