FIGURES 16–25. Atypus heterothecus Zhang 1985. 16–20, females. 16 in A revision of the genus Atypus in China (Araneae: Atypidae)

FIGURES 16–25. Atypus heterothecus Zhang 1985. 16–20, females. 16, carapace, dorsal view; 17, left chelicera, inner­lateral view; 18, labium and sternum, ventral view; 19–20, vulvae, dorsal view (19, from Mt Qiyun, Anhui; 20, from Sangzhi, Hunan). 21–25, male. 21, left chelicera, inner­lateral view; 22, labium and sternum, ventral view; 23, left palp, prolateral view (from Meitan, Guizhou); 24, male left palpal bulb, prolateral view; 25, same, retrolateral view. Scale bars: 16–18, 21–22, 1.0mm; 19–20, 23, 0.2mm; 24–25, 0.1mm.