Cavisternum is a genus of goblin spider. All its species are native to Australia.^[1]

As of May 2021, the World Spider Catalog accepted the following species:^[1]

• Cavisternum attenboroughi Baehr & Raven, 2013 – Australia (Northern Territory)
• Cavisternum bagleyae Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum barthorum Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum bertmaini Baehr, Harvey & Smith, 2010 – Australia (Western Australia)
• Cavisternum bom Ranasinghe & Benjamin, 2018 – Sri Lanka
• Cavisternum carae Baehr, Harvey & Smith, 2010 – Australia (Northern Territory)
• Cavisternum clavatum Baehr, Harvey & Smith, 2010 (type species) – Australia (Western Australia)
• Cavisternum digweedi Baehr, Harvey & Smith, 2010 – Australia (Northern Territory)
• Cavisternum ewani Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum federicae Baehr & Harvey, 2010 – Australia (Queensland)
• Cavisternum foxae Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum gatangel Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum gillespieae Harvey & Baehr, 2013 – Australia (Northern Territory)
• Cavisternum heywoodi Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum hughesi Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum ledereri Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum leichhardti Harvey & Baehr, 2013 – Australia (Northern Territory)
• Cavisternum maxmoormanni Baehr, Harvey & Smith, 2010 – Australia (Northern Territory)
• Cavisternum mayorum Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum michaelbellomoi Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum monteithi Baehr & Harvey, 2010 – Australia (Queensland)
• Cavisternum noelashepherdae Baehr, Harvey & Smith, 2010 – Australia (Northern Territory)
• Cavisternum rochesterae Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum toadshow Baehr, Harvey & Smith, 2010 – Australia (Queensland)
• Cavisternum waldockae Baehr, Harvey & Smith, 2010 – Australia (Western Australia)