| Organism | Intermediate hosts | Distribution | Notes |
|---|---|---|---|
| Pseudophyllideans | |||
| Diphyllobothrium latum | Cyclops or Diaptomus microcrustacean followed by freshwater fish | Scandinavia (related to smoked/pickled fish), Siberia, Russia, Japan, Chile, and Uganda | largest human tapeworm, up to 10 m |
| Spirometra | |||
| Sparganum | |||
| Intestinal Cyclophyllideans | |||
| Dipylidium caninum | |||
| Hymenolepis diminuta | |||
| Hymenolepis nana | none; only in humans | ||
| Taenia saginata | cows | worldwide, highest in Africa and Asia | |
| Taenia solium | pigs (and humans) | worldwide, highest in Mexico, Central/South America, Southwest Asia, and Africa | humans are intermediate (cysticercosis) and definitive (taeniasis) hosts |
| Tissue Cyclophyllideans | |||
| Echinococcus granulosus | herbivores (sheep, goats, cattle, camels, and cervids) | ||
| Echinococcus multilocularis | |||
| Taenia solium | pigs (and humans) | worldwide, highest in Mexico, Central/South America, Southwest Asia, and Africa | |
| Taenia multiceps | |||
| Taenia serialis | |||
