Typhlochactidae

【habitat】       Northern America (Mexico)
【genera】         4
【species】        11
【description】Mitchell,1971
【explanation】
This family native to Eastern Mexico. They have no eyes (Middle eyes＆ Side eyes)and have light pigment and thin legs. Because they live in caves. And they have a reduction of sclerotization and carination, attenuation of appendages,  loss of spurs and spinules on legs, enlargement of telson.

【Alacran】 

Alacran chamuco 
Alacran tartarus 
Alacran triquimera

【Sotanochactas】 

Sotanochactas elliotti

【Stygochactas】 

Stygochactas granulosus

【Typhlochactas】 

Typhlochactas cavicola 
Typhlochactas mitchelli 
Typhlochactas reddelli 
Typhlochactas rhodesi 
Typhlochactas sissomi 
Typhlochactas sylvestris