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.-Bogoslovsky, p.191, pl.8 fig.5-7.