1884  Platyclymenia Hyatt: 314.
     1908  Varioclymenia Wedekind: 605.
     1914  Platyclymenia.- Wedekind: 33.
     1914  Varioclymenia.- Wedekind: 29.
     1914  Annulites Wedekind: 34.
     1914  Choneclymenia Perna: 61, 106.
     1923  Platyclymenia.- Schindewolf: 444.
     1924  Platyclymenia.- Schmidt: 123.
     1929  Platyclymenia.- Lange: 93.
     1929  Stenoclymenia.- Lange: 69ff.
     1931  Platyclymenia.- Matern: 98.
     1934  Platyclymenia.- Schindewolf: 340.
     1938  Platyclymenia.- Miller: 194.
     1947  Varioclymenia.- Nalivkina: 177.
     1947  Platyclymenia.- Nalivkina: 177.
     1949  Platyclymenia.- Schindewolf: 71, 72.
     1956  Platyclymenia.- Müller: 68.
     1957  Platyclymenia.- Treatise: L43.
     1960  Platyclymenia.- Petter: 22.
     1960  Platyclymenia.- Ruzhentsev: 242.
     1962  Platyclymenia.- Osnovy: 406.
     1968  Platyclymenia.- Jenkins: 537.
     1989  Platyclymenia.-Price & Korn: 276.
     2002  Platyclymenia.-Korn: 588.
     2005  Plaryclymenia.--Nikolaeva & Bogoslovskii: 62.

Type species: Goniatites annulatus Münster, 1832, p.32; OD.
       
A:   Conch subdiscoidal, widely umbilicate.
C:   Smooth or ribbed.
G:   Suture simple, with broadly rounded lateral and deep dorsal lobes only; no umbilical lobe.

The genus is multiform and includes four subgenera:

Platyclymenia (Platyclymenia), P. (Fasciclymenia), P. (Spinoclymenia), P. (Trigonoclymenia).