Key to species of Amphinemura from Guizhou

1. Epiproct trifurcate apically (Fig. 14).................................................... A. malleicapitata

­ Epiproct not trifurcate apically (Figs. 5 & 10).............................................................. 2

2. Outer lobe of paraproct robust, with many distal spines (Fig. 10) ......... A. guizhouensis

­ Outer lobe of paraproct slender, without distal spines (Fig. 5) ................ A. cordiformis