Genus Hexophthalma Karsch, 1879
Key to the species of Hexophthalma
1. Females ............................................................................................................................................. 2
– Males ................................................................................................................................................. 9
2. Enlarged dorsal setae on femora raised on a slight mound and scoop-shaped (Fig. 23); female spermathecae consist of numerous tubes, each ending in one or more spherical vesicles (Fig. 16) .. ................................................................................................................ H. spatulata (Pocock, 1900)
– Enlarged dorsal setae on femora not raised on a slight mound and not scoop-shaped; spermathecae consist of one or more finger-like tubes (Figs 1–15) ........................................................................ 3
3. Inner spermathecae consist of one main finger-like tube on each side (Fig. 10) ................................ .................................................................................................. H. dolichocephala (Lawrence, 1928)
– Inner spermathecae consist of more than one finger-like tube on each side ..................................... 4
4. Spermathecae without outer spermathecae near uterus externus and without reduced outer spermathecae (Fig. 9) ..................................................................... H. damarensis (Lawrence, 1928)
– Spermathecae with outer spermathecae near uterus externus or with reduced outer spermathecae ... ........................................................................................................................................................... 5
5. Spermathecae with outer spermathecae near uterus externus ........................................................... 6
– Spermathecae with reduced outer spermathecae .............................................................................. 7
6. Inner spermathecae with long finger-like tubes (Figs 6–8) ............... H. albospinosa (Purcell, 1908)
– Inner spermathecae with shorter, more bulbous, finger-like tubes (Figs 11–15) ................................ ...................................................................................................................... S. hahni (Karsch, 1878)
7. Inner spermathecae hammer-like, bent slightly laterally (Fig. 1) ..................... H. binfordae sp. nov.
– Inner spermathecae not hammer-like, bent more or less medially ................................................... 8
8. Inner spermathecae with two finger-like tubes, outer spermathecae relatively round (Fig. 5) ........... .................................................................................................................................. H. leroyi sp. nov.
– Inner spermathecae with three or more finger-like tubes, outer spermathecae long (Figs 2–4) ......... ............................................................................................................... H. goanikontesensis sp. nov.
9. Embolus with a broad, blunt apex (Fig. 22) .......................................... H. spatulata (Pocock, 1900)
– Embolus with a narrow apex (Figs 17–21) ..................................................................................... 10
10. Embolus with a short, flattened apex (Fig. 20) ........................ H. dolichocephala (Lawrence, 1928)
– Embolus with a thin, sharp apex ......................................................................................................11
11. Broader, basal part of embolus straight-edged (Figs 18, 21) .......................................................... 12
– Broader, basal part of embolus with a hump along one edge (Figs 17, 19) .................................... 13
12. Thin apical part of embolus almost as long as thicker basal part (Fig. 17) ........................................ ............................................................................................................ H. albospinosa (Purcell, 1908)
– Thin apical part of embolus much shorter than thicker basal part (Fig. 21) ....................................... ...................................................................................................................... H. hahni (Karsch, 1878)
13. Thin apical part of embolus without embolus keel at base (Fig. 19) .................................................. ........................................................................................................ H. damarensis (Lawrence, 1928)
– Thin apical part of embolus with embolus keel at base (Fig. 18) ......... H. goanikontesensis sp. nov.