Subcutaneous larval Taenia serialis in a ring-tailed possum (Pseudocheirus peregrinus)

Coenuriasis is a condition resulting in subcutaneous cyst formation associated with infection by the larval stage of Taenia serialis, a tapeworm of the dog and associated carnivores. This article is the first report of coenuriasis in an Australian arboreal marsupial (I Beveridge personal communication) and only the second in an Australian marsupial.