Tsagonus muermo Chamberlin, 1957

Chiliosoma concolor Verhoeff 1939: 315 (in discussion of differing " concolor " descriptions; new combination); Figs 16–18 (p. 316), 19, 20 (p. 317)

Tsagonus muermo Chamberlin 1957: 30 (first description, in English; Los Muermos, Chile); Figs 26, 27 (p. 27)

Tsagonus muermo Demange & Silva 1976a: 19 (listed, first synonymized with Chiliosoma concolor of Verhoeff (1939) and referred to Semnosoma; new combination); Fig. 12 (p. 23)

Tsagonus muermo Golovatch 2014: 265 (briefly mentioned)