Gyrocotylidea is an

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

of Cestoda (tapeworms). Members of this order are parasites of vertebrates, living in the

coelom The coelom (or celom) is the main body cavity in most animals and is positioned inside the body to surround and contain the digestive tract and other organs. In some animals, it is lined with mesothelium. In other animals, such as molluscs, it r ...

(the body cavity).

References

Cestoda Platyhelminthes orders Taxa named by Franz Poche {{Cestoda-stub