Selected features of Notaulax californica (Treadwell, 1906). A) Collar and first thoracic segments, ventral view, B) palmate membrane, C) chaetae from collar, D) paleae from thorax, E) broadly-hooded thoracic chaetae, F) paleae from abdomen, G) abdominal uncini. Scale bars: A) 1.3 mm, B) 2.5 mm, C, E) 40 μm, D, F) 30 μm, G) 24 μm, Abbreviation: pm) palmate membrane. A–I) UANL 8134.