Semnosoma concolor (Gervais, 1847) (See Introduction)

Strongylosoma concolor Gervais 1847: 117 (first description, in French; Coquimbo, Chile)

Strongylosoma concolor Gervais in Gay 1849: 59 (brief redescription in Spanish; reports the species as distributed from Coquimbo to Valdivia and suggests it may be the same species as the one later formally described as Polydesmus vermiformis de Saussure, 1859 from Chile. The latter species is now placed in Leptodesmidae as Neoleptodesmus vermiformis .)

Strongylosoma concolor Gervais in Gay 1854: plate "Miriapodos", Figs 2, 2a (poor-quality drawing of lateral view of whole animal, and outline drawing of lateral view of anterior rings)

Strongylosoma concolor Jeekel 1971: 352 (in genus catalogue as type species of Semnosoma)

Strongylosoma concolor Demange & Silva 1976a: 21 (discussion of identity of species); Figs 5–7 (p. 21), 8, 9 (p. 22) ( Semnosoma + concolor) Hoffman 1980: 150 (discussion of identity of the Gervais species, suggested it is "probably the same species as" Chilorus ovallenus Chamberlin, 1957, type species of Chilorus Chamberlin, 1957, which Hoffman accepted as a synonym of Semnosoma; new combination)

Semnosoma concolor Golovatch 2014: 267 (briefly noted)

SYNONYM: Chilorus ovallenus Chamberlin, 1957

Chilorus ovallenus Chamberlin 1957: 24 (designated type species of Chilorus; in species key), 25 (first description, in English; Ovalle, Bosque Fray Jorge and Coquimbo, Chile); Fig. 23 (p. 27)

Chilorus ovallenus Demange & Silva 1976a: 18 (listed before revision); Fig. 3 (p. 21)

Chilorus ovallenus Hoffman 1980: 150 (first synonymy: "probably the same species as" Strongylosoma concolor Gervais, 1847)

Chilorus ovallenus Golovatch 2014: 267 (as synonym of Semnosoma concolor)