VI. Genus Ophryophryne Boulenger, 1903

Suggested common name: Narrow-mouth horned toads (in English) / ṃfflDzfl (in Chinese)

Seven species: Ophryophryne microstoma Boulenger, 1903 (type species); Ophryophryne elfina Poyarkov, Duong, Orlov, Gogoleva, Vassilieva, Nguyen, Nguyen, Nguyen, Che & Mahony, 2017; Ophryophryne gerti Ohler, 2003; Ophryophryne hansi Ohler, 2003; Ophryophryne pachyproctus Kou, 1985; Ophryophryne poilani Bourret, 1937; Ophryophryne synoria Stuart, Sok & Neang, 2006 .