Spariolenus fathpouri sp. n., male holotype, Khuzestan, Pebdeh Cave, Iran (SMF). A–C left palp (A prolateral B ventral C retrolateral) D bulbus, ventral E chelicerae, ventral F eye arrangement, dorsal. Abbreviations: BRB – basal retrolateral bulge, C – conductor, ET – embolus tip, PET – prolateral part of embolus, RET – retrolateral part of embolus, RTA – retrolateral tibial apophysis, SD – sperm duct, T – tegulum. Scale bars: 1 mm (A–C, E, F), 0.5 mm (D).