Nannaria wilsoni species group left male acropodites: (left) anterior view and (right) magnified posterior view. At right, N. austricola gonopod diagram, anterior view, color-coded by region: coxa (dark grey), prefemur (light grey), and acropodite (white). A dashed line indicates the beginning of the distal zone region of the acropodite. Abbreviations: ap, acropodite; bz, basal zone; cx, coxa; mf, acropodite medial flange; pp, prefemoral process; sc, seminal canal; tf, acropodite tip medial flange; tw, anterior bend twist.