†Amphoton (Pseudamphoton) Chu & Zhang 1979

Chu & Zhang 1979. Xibei diqu gushengwu tuce: Qinghai fence. [Palaeontological atlas of northwest China: Qinghai fascicle.] Volume 2. Corals, Bryozoa, Trilobites, Graptolithoidea, fossil plants. Geological Publishing House, Peking, 1979: i-v, 1-219