Cyclosternum

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