1851  Goniatites bifer var. delphinus Sandberger &
           Sandberger, p.73, pl.9 fig.5.
     1873  Goniatites delphinus.-Kayser, p.615, pl.20 fig.4.
     1885  Prolobites delphinus.-Karpinskiy, p.21.
     1892  Prolobites delphinus.-Loewinson-Lessing, p.24.
     1897  Goniatites delphinus.-Kayser: 105.
     1897  Prolobites delphinus var. atava Frech: 177g, fig.1a-d.
     1901  Prolobites delphinus.-Drevermann, p.128, pl.13 fig.12.
     1902  Prolobites delphinus.-Frech: 78, pl.4 fig.18,33,
      ------   Prolobites delphinus var. atava Frech: 78, fig.33a,b.
     1902  Prolobites delphinus sp.Frech: pl.59a fig.5.
     1903  Prolobites delphinus.-Tokarenko, p.34, pl.3 fig.9,9a.            
     1908  Prolobites delphinus.-Wedekind, p.590.
     1908  Prolobites delphinus var. elliptica Wedekind:591.
     1908  Prolobites delphinus var. atava.-Wedekind: 591.
     1912  Prolobites delphinus var. atava.-Born: 603.
     1913a Prolobites delphinus.-Wedekind, p.86, pl.8 fig.1.
     1913  Prolobites ellipticus.-Wedekind: 96, pl.8 fig.3.
     1913  Prolobites delphinus.-Frech, p.33.
     1914  Prolobites delphinus.-Perna, p.21, 94, pl.1 fig.1-4, textfig.5-11.
     1914  Prolobites delphinus var. atava.-Perna, p.24,94.
     1914  Prolobites delphinus var. elliptica.-Perna, p.28,96, pl.1 fig.5.
     1914  Prolobites sp. Perna, p.27,96, pl.4 fig.2.
     1918  Prolobites delphinus.-Wedekind, p.157, pl.19 fig.5,8,9, textfig.50e1-2.
     1923a Prolobites delphinus.-Schindewolf, p.394, fig.11a.
     1929  Prolobites delphinus.-Lange, p.55.
     1929  Prolobites delphinus var. elliptica.-Lange: 56.
     1931b Prolobites delphinus.-Matern, p.50, pl.1 fig.4.
     1931  Prolobites ellipticus.-Matern: 51.
     1931  Prolobites delphinus.-v.Gaertner: 151.
     1938  Prolobites delphinus.-Miller, p.172, textfig.36G.
     1938  Prolobites delphinus.-Schindewolf: 247, textfig.4.
     1943  Prolobites delphinus.-Heritsch: 298, 300, 306.
     1947  Prolobites delphinus.-Nalivkina, p.173, pl.44 fig.7,  textfig.37.
     1952  Prolobites delphinus.-H.Schmidt, p.210, textfig.1, 216, pl.13 fig.9-12.
     1953b Prolobites delphinus.-Nalivkina, p.77, pl.1 fig.12.
     1953  Prolobites delphinus var. elliptica.-Nalivkina: 80,  pl.1f ig.14.
     1954  Prolobites delphinus var. atava.-Nalivkina: 80, pl.1 fig.13.
     1950  Prolobites delphinus.-Termier & Termier, p.60, pl.146,  fig.33-44.
     1957  Prolobites delphinus.-Miller & Furnish, p.33,  textfig.25D1, 25B,C.
     1960  Prolobites delphinus.-Ruzhentsev: fig.43b-e.
     1962a Prolobites delphinus.-Bogoslovskiy, pl.6 fig.5.
     1965  Prolobites delphinus.-Flügel & Kropfitsch-Flügel: 7,
      ------   Prolobites delphinus atavus.-Flügel & Kropfitsch-Flügel: 7.
     1969  Prolobites delphinus.-Bogoslovskiy, p.181, pl.7 fig. 5-10,
     ----  Prolobites ellipticus.-Bogoslovskii: 191, pl.8,  fig.5-7.
     1984  Prolobites delphinus.-Korn, Price & Ademmer, fig.1h.
     1985  Prolobites ellipticus.-Becker, p.28,pl.2 fig.c.
     1992  Prolobites n.sp. aff. mirus.-Becker, p.24,  pl.3 fig.6a-b, textfig.4a.
     2002  Prolobites delphinus.-Klug & Korn: 924, text-fig.4 C.
     2002  Prolobites delphinus.-Korn & Klug: 206, Fig.181 F, Fig.182 A, C, D, E, Fig.183 A, B, D, F.

Fig. TAX854 A-G (sutural development).  Fig. TAX854A A-F (cross-section).   Fig. TAX5817 C-E (sutures).