Tsagonus concolor (Attems, 1898) (See Introduction)

Strongylosoma concolor Attems 1898: 283 (first description in German of what Attems believed to be Strongylosoma concolor Gervais, 1847; material from Valdivia Putabla, Chile); plate 2, Fig. 46 (labelled "n. sp." in error)

Anaulacodesmus concolor Attems 1940: 415 (in key to Anaulacodesmus species; new combination), 421 (redescription in German); Fig. 599 (p. 421)

Tsagonus concolor Chamberlin 1957: 30 (restricted to form described as Strongylosoma concolor by Attems in 1898; new combination)

Tsagonus concolor Demange & Silva 1976a: 19 (listed, referred to Semnosoma)