- family: Theraphosidae
- genus: Cyclosternum
- species: Cyclosternum bicolor (Schiapelli & Gerschman, 1945)
- species: Cyclosternum fasciatum (O. P.-Cambridge, 1892)
- species: Cyclosternum garbei (Mello-Leitao, 1923)
- species: Cyclosternum gaujoni Simon, 1889
- species: Cyclosternum janeirum (Keyserling, 1891)
- species: Cyclosternum janthinum (Simon, 1889)
- species: Cyclosternum kochi (Ausserer, 1871)
- species: Cyclosternum macropus (Ausserer, 1875)
- species: Cyclosternum melloleitaoi Bücherl, Timotheo & Lucas, 1971
- species: Cyclosternum obesum (Simon, 1892)
- species: Cyclosternum obscurum Simon, 1891
- species: Cyclosternum palomeranum West, 2000
- species: Cyclosternum pentalore (Simon, 1888)
- species: Cyclosternum rufohirtum (Simon, 1889)
- species: Cyclosternum schmardae Ausserer, 1871
- species: Cyclosternum spinopalpus (Schaefer, 1996)
- species: Cyclosternum symmetricum (Bücherl, 1949)
- species: Cyclosternum viridimonte Valerio, 1982