Cacuminostreptus

Mwabvu, Tarombera, Hamer, Michelle, Slotow, Rob & Barraclough, David, 2010, A revision of the taxonomy and distribution of Archispirostreptus Silvestri 1895 (Diplopoda, Spirostreptida, Spirostreptidae), and description of a new spirostreptid genus with three new species, Zootaxa 2567, pp. 1-49 : 43

Key to the species of Cacuminostreptus based on male gonopods

1. Apical metaplical process triangular ( Fig. 13 a) ............................................................................... triangulatus sp. n.

- Apical metaplical process not triangular ...................................................................................................................... 2

2. Oral fold of apical metaplical process longer and narrower than aboral fold; distally oral fold deflected laterally ( Fig. 11 a) ...................................................................................................................................................................... conatus

- Oral fold of apical metaplical process not longer than aboral fold; distally oral fold not deflected laterally ............. 3

3. Lateral margins of metaplicae strongly convex; apex of apical metaplical process concave and straight laterally, with small lateral and medial horns apically ( Figs 12 a, 12 b) ................................................................... mazowensis sp. n.

- Lateral margins of metaplicae not strongly convex; apex of apical metaplical process flat and convex laterally, with- out lateral and medial horns apically ( Figs 14 a, 14 b) ....................................................................... vumbaensis sp. n.