Platyhelminthes: Flatworms, Tapeworms, Flukes
- Much information on the flatworms and the characteristics that distinguish them from other worm-like creatures, with photographs and diagrams.
- http://www.discoverlife.org/20/q?search=Platyhelminthes

Platyhelminthes and Acoelomorpha: Phyla of Controversy
- Illustrated article by Seth Tyler discussing the difficulty in correctly classifying the flatworms and the acoelomates.
- http://devbio.umesci.maine.edu/styler/globalworming/platyhelm.htm

Schistosomiasis
- Information on the digenetic blood trematodes of the genus Schistosoma which can infect humans, and a diagram and information on their complex life cycle.
- http://www.dpd.cdc.gov/dpdx/HTML/Schistosomiasis.htm

Metagonimiasis
- Information on the minute intestinal fluke, Metagonimus yokogawai, which can parasitize the human gut, and a diagram and information on its life cycle.
- http://www.dpd.cdc.gov/dpdx/HTML/Metagonimiasis.htm

Prostheceraeus vittatus
- Three photographs of this flatworm.
- http://www.marlin.ac.uk/gallery/index.php?spgmGal=Species/Platyhelminthes

Land Planarians - Bipalium kewense Moseley and Dolichoplana striata Moseley
- Information about the two flatworm species commonly found in Florida terrestrial habitats, including distribution, life history, economic importance, and images.
- http://creatures.ifas.ufl.edu/misc/land_planarians.htm

Flatworms: British Marine Life Study Society
- One page about a planarian and one page about the life cycle of the digenean Cryptocotyle lingua, with a few photographs.
- http://www.glaucus.org.uk/planaria.htm

Monogenean Trematodes
- A short page about monogeneans parasitic in fishes and how to control them. Also available as PDF file.
- http://edis.ifas.ufl.edu/FA033

Bibliography on Ultrastructure of Spermatozoa of Parasitic Platyhelminthes
- References on ultrastructural studies of spermatozoa and spermiogenesis in the parasitic Platyhelminthes (Aspidogastrea, Digenea, Polyopisthocotylea, Monopisthocotylea, Gyrocotylidea, Amphilinidea, and Eucestoda).
- http://www.mnhn.fr/mnhn/bpph/Data/Spermplaty/

Meiofauna - Matthew Hooge
- A personal page with many beautiful photographs of free-living Platyhelminthes, including actin labelling.
- http://hooge.developmentalbiology.com/

Introduction to the Platyhelminthes
- Introduction to the Platyhelminthes, the flatworms: life in two dimensions. One page of text with a few photographs.
- http://www.ucmp.berkeley.edu/platyhelminthes/platyhelminthes.html

Phylum Platyhelminthes
- An introduction to the phylum with more pages about the Turbellaria, Monogenea, Digenea and Cestoda, from Animal Diversity Web.
- http://animaldiversity.ummz.umich.edu/platyhelminthes.html