Tsagonus Chamberlin, 1957

Type species: Tsagonus osorno Chamberlin, 1957, by original designation

Tsagonus Chamberlin, 1957: 19 (in genus key, assigned to Sphaerotrichopidae), 29 (first description, in English), 30 ( Tsagonus osorno designated type species)

Tsagonus Jeekel 1971: 338 (in genus catalogue)

Tsagonus Demange & Silva 1976a: 19 (introducing species list before revision), 20 (first synonymized with Semnosoma)

Tsagonus Hoffman 1980: 185 (in genus catalogue)

Tsagonus Golovatch 2014: 265 (overview of genus, omits T. villarricae Chamberlin, 1957)