non 1840  Goniatites acutus Münster: 110, pl.16 fig.11. (= Paratornoceras ? acutum, TAX1192)
      1851  Goniatites intumescens var. acutus Sandberger & Sandberger, p.82, pl.7 fig.1,1a,1b. [homonym]
      1897  Gephyroceras acutum.-Frech: 177f, fig.3a.
      1902  Gephyroceras acutum.-Frech, p.59, textfig.18a.
      1913  Crickites acutus.-Wedekind, p.71.
      1918  Crickites acutus.-Wedekind, p.130.
      1931  Crickites acutus.-Matern, p.72, textfig.3d.
      1956  Crickites acutus.-Müller, p.38, textfig.3,4.
      1959  Crickites acutus.-Petter, p.181, pl.13 fig.3-3a, textfig.42H.
      1969  Crickites acutus.-Bogoslovskiy, p.254.
      1987  Crickites acutus.-Göddertz, p.190, pl.14 fig.6, textfig.36.
     
(Validity of species name not yet evaluated).