Idiosoma nigrum Main, 1952, female (WAM T132737) from Minnivale Nature Reserve (Western Australia; AVW). 48–49 Carapace and abdomen, dorsal view 50 Carapace, lateral view 51 Eyes, dorsal view 52 Abdomen, posterior view 53 Sternum, ventral view 54 Leg I, prolateral view 55 Leg I, retrolateral view 56 Spermathecae, dorsal view. Scale bars 2.0 (48–49, 54–55), 0.5 (56). SP3–4 = sigilla pairs 3–4.

 
 
  Part of: Rix MG, Huey JA, Cooper SJB, Austin AD, Harvey MS (2018) Conservation systematics of the shield-backed trapdoor spiders of the nigrum-group (Mygalomorphae, Idiopidae, Idiosoma): integrative taxonomy reveals a diverse and threatened fauna from south-western Australia. ZooKeys 756: 1-121. https://doi.org/10.3897/zookeys.756.24397