Larval (metacestode) stage, consisting of an invaginated scolex surrounded by a fluid-filled cyst cavity, of cyclophyllidean cestodes in the family Taeniidae. Now considered to be an invalid generic name. The common ones are listed below.
- C. bovis — larval stage of taenia saginata, a tapeworm of humans. The cysticerci are found in the muscles and other tissues of cattle. Humans are infected by eating uncooked beef. Called also beef measles.
- C. cellulosae — larval stage of taenia solium, a tapeworm of humans. The cysticerci are found in the skeletal and cardiac muscles of the pig and in the muscles and central nervous system of humans. Humans are infested by eating uncooked pork. Called also pork measles.
- C. fasciolaris — the larval stage of taenia taeniaeformis, a tapeworm of cats and wild Felidae and related species. The cysticerci are in the liver of rodents.
- C. ovis — the larval stage of taenia ovis, a tapeworm of dogs and wild carnivores. The cysticerci are found in the skeletal and cardiac muscles of sheep and goats. Dogs are infected by ingesting raw infected meat.
- C. pisiformis — the larval stage of taenia pisiformis, a tapeworm of dogs and wild carnivores. The cysticerci are in the peritoneal cavity of rabbits and hares.
- C. tarandi — the larval stage of taenia krabbei, a cestode parasite of dogs and wild carnivores. The cysticerci are found in the muscles of wild ruminants.
- C. tenuicollis — the larval stage of the tapeworm taenia hydatigena, a tapeworm of dogs and wild carnivores. The cysticerci are found in the liver and on the peritoneum in sheep but also in other ruminants including wild ones and pigs. Infection in the dog occurs when infected offal is fed raw. Called also long-necked bladderworm.
