<prompt> Which of the following is not a cestode?Diphylobothrium latumTaenia saginataSchistosoma mansoniaEchinococcus granulosus  <response>: Ans. cRef: Parasitology-Protozoology and Helminthology by K.D. Chatterjee, 13th editionCestodes can be classified according to their habitat into:a Pseudophyllidean Cestodes: Possessing false or slit like grooves, include Dophyllobothrium latum fish tapeworm, Sporganum mansoni, Sporganum proliferum.b Cyclophyllidean Cestodes: Possessing cup-like and round suckers acetabula and includes:c Adult Worms in Intestines: Taenia saginata beef tapeworm, Taenia solium pork tapeworm, Hymenolepis nana dwarf tapeworm, Hymenolepis diminuta rat tapeworm, Dipylidium caninum double pored dog tapeworm.d Larval Stages in Man: Echinococcus granulosus dog tapeworm, Echinococcus multilocularis, Cysticercus cellulosae of T. solium, genus Multiceps.Schistosoma mansonia comes under Trematodes or flukes. It is a blood fluke found in the mesenteric veins of the sigmoido-rectal area and in the branches of the portal vein of the liver. 