[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 Monticellia La Rue, 1911
           1 Monticellia coryphicephalaᵀ (Monticelli, 1891)
           2 Monticellia amazonica de Chambrier & Vaucher, 1997
           3 Monticellia belavistensis Pavanelli, Machado, Takemoto & dos Santos, 1994
           4 Monticellia dlouhyi de Chambrier & Vaucher, 1999
           5 Monticellia magna (Rego, Santos & Silva, 1974)
           6 Monticellia ophisterni Scholz, de Chambrier & Salgado-Maldonado, 2001
           7 Monticellia santafesina Arredondo & Gil de Pertierra, 2010
           8 Monticellia ventrei de Chambrier & Vaucher, 1999