| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Cassidias africana Barnard, 1920 | South Africa | ||
| Cassidias argentinea Richardson, 1906 | Southwest Atlantic | ||
| Cassidias australiensis Bruce, 2003 | Indo-West Pacific | 0.4 | |
| Cassidias trituberculata Thielemann, 1910 | Japan |