Key to the known species (females) of Nototanoides

1. Pleonites with a lateral row of more than 11 simple setae (Fig. 16A–B). Lacinia mobilis with eight denticles (Fig. 16E–F).. 2

- Pleonites with a lateral row of less than 11 simple setae (Fig. 16C–D). Lacinia mobilis with five denticles (Fig. 16G–H)... 3

2. Maxilliped palp article-2 with inner stout bifurcate seta (Fig. 16I)................................... N. polytrichus

- Maxilliped palp article-2 with inner stout multifurcate seta (Fig. 16J).............................. N. oliveri sp. nov.

3. Chela with 3–4 simple setae on ventral margin (Fig. 16K)............................................ N. ohtsukai

- Chela with six simple setae on ventral margin (Fig. 16L)............................................ N. trifurcatus