15) Monocystis lloydi Ghosh, 1923 emend. Loubatieres, 1955

Infested organ. Seminal vesicles

Type host. Pheretima posthuma

Type locality. Calcutta, West Bengal, India

Description. Trophozoite rounded or ovoid, length 100 µm, gametocyst spherical or ovoid and 84 µm in diameter.