Amphilinidea (amphilinid) is the name given to an order of parasitic flatworms of the phylum Platyhelminthes. Amphilinids are Cestodes, yet differ from true tapeworms (Eucestoda) as their bodies are unsegmented and not divided into proglottids. "Amphilinids are large worms which have a flattened leaf-like body. Only 8 amphilinid species are known." "The adults are hermaphroditic. A muscular proboscis is located at the anterior end, and is sometimes very weakly developed or absent." They live in the body cavities of freshwater turtles and teleost fish as adults, and in the bodies of various crustaceans as juveniles. Apart from a little studied parasitism of sturgeon, these flatworms have very little economic importance. Biologically, they have gained attention for their potential to shed light on the phylogeny of tapeworms.
Poche, 1922 
- Amphilina Wagener, 1858
- Australamphilina Johnston, 1931
- Australamphilina elongata Johnston, 1931
- Gephyrolina Poche, 1926
- Gephyrolina paragonopora (Woodland, 1923)
- Gigantolina Poche, 1922
- Gigantolina magna (Southwell, 1915) Poche, 1922
- Nesolecithus Poche, 1922
- Nesolecithus janickii Poche, 1922
- Schizochoerus Poche, 1922
- Schizochoerus liguloides (Diesing, 1850)
|Wikispecies has information related to Amphilinidea|
- Rod Bray (2010). "Amphilinidea". World Register of Marine Species. Retrieved December 5, 2011.
- Klaus Rohde (June 2, 2011). "The Amphilinidea, a small group of aberrant tapeworms". Knol. Archived from the original on 2011-08-13. Retrieved December 5, 2011.
- Klaus Rohde. "Amphilinidea. Amphilinidae. Version 05". Tree of Life Web Project. Retrieved December 1, 2011.
- Klaus Rohde. "Amphilinidea". AccessScience. McGraw-Hill. Retrieved December 6, 2011.
- Klaus Rohde. "Amphilinidea life cycles". Tree of Life Web Project. Retrieved December 6, 2011.
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