






| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | ENT | 4 | In A Mirror, Darkly | |
| 2 | TOS | 1 | Balance of Terror | |
| 3 | TNG | 1 | The Naked Now | |
| 4 | ENT | 4 | In A Mirror, Darkly | This creature resembles a Cardassian Vole, but the colour is different and the legs end in claws rather than feet. It therefore appears to be a different species, though perhaps related. |
| 5 | TOS | 3 | The Tholian Web |
| Series : | ENT Season 4 |
| Episode : | In A Mirror, Darkly |
| Series : | TOS Season 1 |
| Episode : | Balance of Terror |
| Series : | TNG Season 1 |
| Episode : | The Naked Now |
| Series : | ENT Season 4 |
| Episode : | In A Mirror, Darkly |
| Comment : | This creature resembles a Cardassian Vole, but the colour is different and the legs end in claws rather than feet. It therefore appears to be a different species, though perhaps related. |
| Series : | TOS Season 3 |
| Episode : | The Tholian Web |
| © Graham & Ian Kennedy | Page views : 20,782 | Last updated : 8 May 2005 |