- family: Theraphosidae
- genus: Cyriocosmus
- species: Cyriocosmus bertae Pérez-Miles, 1998
- species: Cyriocosmus blenginii Pérez-Miles, 1998
- species: Cyriocosmus chicoi Pérez-Miles, 1998
- species: Cyriocosmus elegans (Simon, 1889)
- species: Cyriocosmus fasciatus (Mello-Leitao, 1930)
- species: Cyriocosmus fernandoi Fukushima, Bertani & da Silva, 2005
- species: Cyriocosmus leetzi Vol, 1999
- species: Cyriocosmus nogueiranetoi Fukushima, Bertani & da Silva, 2005
- species: Cyriocosmus ritae Pérez-Miles, 1998
- species: Cyriocosmus sellatus (Simon, 1889)
- species: Cyriocosmus versicolor (Simon, 1897)