Oeciaconus dyoceragaster Hoffman, 1979
Oeciaconus dyoceragaster Hoffman 1979: 626 (first description, in English; "Nova Teutonia", Edo. Santa Catarina, Brazil), Figs 1–5 (p. 627)
Oeciaconus dyoceragaster Shelley et al. 2000: 115 (in genus catalogue as type species of Oeciaconus)