Regents of the University of Michigan
Animal Diversity Web: Phylum Platyhelminthes
The Animal Diversity Web offers a site on the phylum platyhelminthes, or flatworms. Includes a section on reproduction.
BiologyWise
Biology Wise: Platyhelminthes Reproduction
Describes the characteristics of Platyhelminthes, or flatworms, and how they reproduce.
BiologyWise
Biology Wise: Parasitic Flatworms
Describes types of flatworms that are parasitic to humans and animals and what their life cycle looks like. Two or more hosts are needed for them to complete their life cycle.
BiologyWise
Biology Wise: What Are the Different Types of Flatworms
Describes the basic characteristics of three of the major kinds of flatworms, including tapeworms, planarians, and flukes.
BiologyWise
Biology Wise: Facts About Flatworms
Describes flatworm characteristics, including their physical features, types, nervous system, respiration, digestive system, and reproductive system.
BiologyWise
Biology Wise: Platyhelminthes Examples
Describes the characteristics and anatomy of platyhelminthes and provides a list of examples from the classes Turbelaria, Trematoda, Cestoda and Monogenea.
Other
Ancestral Flatworms
Gives the history of flatworms and how they evolved. Gives the different types of flatworms, including the tapeworm.
Encyclopedia of Life
Encyclopedia of Life: Flatworms
The Encyclopedia of Life presents this in-depth overview of Flatworms (Platyhelminthes), including their habitats, size, conservation status, and much more. Images of this phylum and maps of its global distribution can also be found here.