Sternodontus obtusus Mulsant & Rey, 1856: 120. STS: male, female, France, nr Marseille; MNHN.
Ancyrosoma obtusangula Fieber, 1861a: 373 (syn. Fieber, 1861a: 397). STS: France, Hyères; MNHN.
Sternodontus obtusus var. debilicostis Puton, 1884c: 85 (upgraded to species by Puton, 1885b: 356; syn. V.G. Putshkov, 1961a: 179). ST(S): Italy, Goritz [= Gorizia]; MNHN.