Key to species of Amphinemura from Tibet

1. Ventral sclerite of epiproct extending beyond apex of dorsal sclerite (Figs. 6, 9) .......... pediformis sp. nov.

– Ventral sclerite of epiproct not extending beyond apex of dorsal sclerite (Fig. 1) ...................................................... 2

2. Epiproct distinctly tapering and acute apically (Figs. 21, 23) .............................................................. yangi

– Epiproct wide and obtuse apically (Fig. 1, 11, 16) ......................................................................................................3

3. Outer lobe of paraproct with spines (Figs. 2, 5, 12, 15)..............................................................................4

– Outer lobe of paraproct without any spines (Figs. 17, 20) .............................................................................. tibetensis

4. Outer lobe of paraproct bifurcate apically (Figs. 12, 15) .............................................. pterygoidea sp. nov.

– Outer lobe of paraproct not bifurcate apically (Figs. 2, 5) .......................................................................................... lii