Genus Echinoplana Haswell, 1907

Diagnosis n.emend. Gnesiocerotidae with tentacular and cerebral eyes forming two paramedian bands. Genital apparatus with distinct male, female and sometimes accessory female opening. Male copulatory organ with cirrus provided with sclerotized spines increasing in size distally. Prostatic vesicle interpolated with inner folding (ridged type). Female apparatus with vagina. With or without Lang's vesicle and vaginal duct. This duct, if present, opens with an accessory pore to the exterior.

Type of the genus and only species: Echinoplana celerrima Haswell, 1907