1) Monocystis amynthae Bandyopadhyay et al. 2006d
Infested organ. Seminal vesicles
Type host. Amynthas hawayanus
Type locality. Darjeeling, West Bengal, India
Description. The gamont of the species is characterized by having an elongated body with broad anterior end, separated from the narrow posterior end by a prominent constriction. It measures 49.0 − 77.0 (66.0±1.3) µm × 32.0 − 41.0 (37.0±2.8) µm. The gametocysts are oval-shaped, measuring 40.0-65.0 (58.0±2.1) µm. The oocysts are navicular, measuring 8.0 − 12.0 (10.5±1.1) µm × 4.0 − 6.0 (5.5±1.1) µm.