A trematode worm bites and sucks out the insides of an enemy species, with the eyespots of the victim's offspring still visible inside the attacker's gut. At least 20 species of trematode compete ...

Cestodes (tapeworms) form a monophyletic group of parasitic Platyhelminthes (flatworms), and include over 5200 described species. Adult cestodes reproduce in the digestive tract of vertebrates, but ...

The Jurassic fossil Juracanthocephalus reveals a key evolutionary link between rotifers and parasitic acanthocephalans, resolving debates about their origins and anatomy. A research team from the Nanj ...