Aptostichus pennjillettei sp. n. from Nevada, Clark Co., Mercury, Nuclear Test Site; scale bars = 1.0mm. 120 habitus, male holotype (AP413) 121–122 male paratype (AP412), leg I 121 retrolateral aspect 122 prolateral aspect 123–125 line drawings of spination patterns on leg I, retrolateral aspect, tibia and metatarsus 126 retrolateral aspect, holotype pedipalp