| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Thiacidas hastifera | (Hering, 1926) | species | Synonym | ||
| Thiacidas intermedia | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas ivoiriana | Hacker & Zilli, 2010 | species | Accepted | ||
| Thiacidas juvenis | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas kanoensis | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas khomasana | Mey, 2011 | species | Accepted | ||
| Thiacidas krooni | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas legraini | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas leonie | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas martinae | (Laporte, 1991) | species | Accepted | ||
| Thiacidas meii | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas mukim | (Berio, 1977) | species | Accepted | ||
| Thiacidas mukim fuscomukim | Hacker & Zilli, 2010 | subspecies | Accepted | ||
| Thiacidas mukim mukim | (Berio, 1977) | subspecies | Accepted | ||
| Thiacidas nigrimacula | (Pinhey, 1968) | species | Accepted | ||
| Thiacidas occidentalis | Hacker & Zilli, 2010 | species | Accepted | ||
| Thiacidas orientalis | Hacker & Zilli, 2010 | species | Accepted | ||
| Thiacidas permutata | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas politzari | Hacker & Zilli, 2010 | species | Accepted | ||
| Thiacidas postalbida | (Gaede, 1939) | species | Accepted | ||
| Thiacidas postica | Walker, 1855 | species | Accepted | ||
| Thiacidas robertbecki | Hacker & Zilli, 2007 | species | Accepted | ||
| Thiacidas roseotincta | (Pinhey, 1962) | species | Accepted | ||
| Thiacidas roseotincta albata | (Wiltshire, 1994) | subspecies | Accepted | ||
| Thiacidas roseotincta roseotincta | (Pinhey, 1962) | subspecies | Accepted |