1908  Prolobites delphinus var. elliptica Wedekind: 591.
     1929  Prolobites delphinus var elliptica.-Lange: 56.
     1931  Prolobites ellipticus.-Matern: 51.
     1953  Prolobites delphinus var. elliptica.-Nalivkina: 80, pl.1 fig.14.
     1969  Prolobites ellipticus.-Bogoslovskiy, p.191, pl.8  fig.5-7.