Tyrannochthonius yanwuensis sp. nov., male: A left chela (lateral view), with details of teeth and trichobothrial pattern B left chela (dorsal view) C left chelicera (dorsal view), with details of teeth D carapace (dorsal view) E rallum F coxal spines on coxae II (ventral view) G left pedipalp (minus chela, dorsal view) H leg I (lateral view) I leg IV (lateral view). Scale bars: 0.20 mm (A, B, G); 0.10 mm (C–F, H, I).