Cyclosternum is a genus of tarantulas that was first described by Anton Ausserer in 1871.

Species it contains twelve species, found in South America, Costa Rica, and Mexico: Cyclosternum darienense Gabriel & Sherwood, 2022 – Panama Cyclosternum familiare (Simon, 1889) – Venezuela Cyclosternum garbei (Mello-Leitão, 1923) – Brazil Cyclosternum gaujoni Simon, 1889 – Ecuador Cyclosternum janthinum (Simon, 1889) – Ecuador Cyclosternum kochi (Ausserer, 1871) – Venezuela Cyclosternum ledezmae (Vol, 2001) – Bolivia Cyclosternum palomeranum West, 2000 – Mexico Cyclosternum rufohirtum (Simon, 1889) – Venezuela Cyclosternum schmardae Ausserer, 1871 (type) – Colombia, Ecuador Cyclosternum spinopalpus (Schaefer, 1996) – Paraguay Cyclosternum viridimonte Valerio, 1982 – Costa Rica

Nomen dubium Cyclosternum pulcherrimaklaasi (Schmidt, 1991) - Ecuador

Transferred to other genera

C. bicolor (Schiapelli & Gerschman, 1945) → Cyriocosmus bicolor C. chickeringi (Caporiacco, 1955) → Tmesiphantes chickeringi (Nomina dubia) C. crassifemur (Gerschman & Schiapelli, 1960) → Tmesiphantes crassifemur C. fasciatum (O. Pickard-Cambridge, 1892) → Davus fasciatus C. hirsutum (Mello-Leitão, 1935) → Homoeomma hirsutum C. ischnoculiforme Franganillo, 1926 → Cyrtopholis ischnoculiformis C. janeirum (Keyserling, 1891) → Tmesiphantes janeira C. longipes (Schiapelli & Gerschman, 1945) → Holothele longipes C. macropus (Ausserer, 1875) → Pseudoschizopelma macropus C. majus Franganillo, 1926 → Cyrtopholis major C. melloleitaoi Bücherl, Timotheo & Lucas, 1971 → Vitalius nondescriptus C. minensis (Mello-Leitão, 1943) → Plesiopelma minense C. multicuspidatum (Mello-Leitão, 1929) → Proshapalopus multicuspidatus C. nubilum (Simon, 1892) → Tmesiphantes nubilus C. obesum (Simon, 1892) → Bonnetina obscura (Nomina dubia) C. obscurum Simon, 1891 → Bonnetina obscura C. pentalore (Simon, 1888) → Davus pentaloris C. physopus (Mello-Leitão, 1926) → Plesiopelma physopus C. rondoni (Lucas & Bücherl, 1972) → Holothele longipes C. semiaurantiacum Simon, 1897 → Plesiopelma semiaurantiacum C. serratum (Gerschman & Schiapelli, 1958) → Homoeomma uruguayense C. stylipum Valerio, 1982 → Stichoplastoris stylipus C. symmetricum (Bücherl, 1949) → Plesiopelma insulare

References