1832  Goniatites annulatus Münster, p.32, pl.6 fig.6.
     1834  Goniatites annulatus.-Münster, p.95, pl.6 fig.6.
     1839  Clymenia annulata.-Münster, p.14.
     1839  Clymenia annulata.-Münster, p.42.
non1842  Clymenia annulata.-Münster, p.123, pl.12 fig.1.
     1843  Clymenia annulata.-Münster, p.25, pl.6a fig.6.
pt. 1863  Clymenia annulata.-Gümbel, p.130, pl.15 fig.11.
cf. 1884  Clymenia cf. annulata.-Karpinskiy: 157.
     1887  Clymenia annulata.-Chernyshev: 17, pl.1 fig.11-16.
     1897  Clymenia intracostata  Frech: 177i, textfig.c.
non1901 Clymenia annulata.-Drevermann, p.132, pl.14 fig.5a,7a.
     1901  Clymenia annulata.-Drevermann, p.133,  pl.14 fig. 6,6a,8.
non1902 Clymenia annulata.-Frech, p.31, pl.2 fig.6a-c.
        ----  Clymenia annulata var. densicosta Frech, p.31, pl.2 fig.7.
        ----  Clymenia binodosa.-Frech, p.29, pl.1 fig.6 a-c, textfig.1 b.
     1908  [Rectoclymenia] Clymenia annulata.-Wedekind: 615.
     1910  Clymenia annulata.-Rzehak: 169, pl.2 fig.1-5,
?     ----    Clymenia intracostata.-Rzehak: 177, pl.2, fig.6-7.
     1912  Clymenia anulata.-Born: 544.
     1914  Platyclymenia rotundata Wedekind: 34, pl.2 fig.15,
?      ----  Platyclymenia annulata.-Wedekind: 35.
     1914  Clymenia annulata var. correcta Perna, p.75,112, pl.3  fig.14,
       ----    Clymenia annulata var. rustica Perna, p.76,112, pl.3  fig.15.
     1914  Platyclymenia valida.-Wedekind, p.37, pl.3 fig.3.
?      ----  Platyclymenia annulata var. densicosta.-Wedekind: 36, pl.3 fig.2a-b.
pars 1923a Platyclymenia annulata.-Schindewolf, p.447.
     1923  Platyclamenia rotundata.-Schindewolf: 447.
     1923  Platyclymenia intracostata.-Schindewolf: 456.
     1923a Platyclymenia clarkei Schindewolf, p.459, pl.17  fig.10.
     1923a Platyclymenia annulata var. densicosta.-Schindewolf: 449, pl.17 fig.7.
     1923  Platyclymenia valida.-Schindewolf: 450.
      -----    Platyclymenia bicostata.-Schindewolf: 450.
      -----    Platyclymenia denckmani.-Schindewolf: 450, pl.17  fig.13a,13b.
      -----    Platyclymenia clarkei.-Schindewolf: 452, pl.17 fig.10.
non 1929  Platyclymenia annulata.-Lange, p.107.
     1929  Platyclymenia annulata var. densicostata.-Lange: 108.
     1929  Platyclamenia rotundata.-Lange: 111.
     1931  Platyclamenia rotundata.-Matern: 99.
      -----    Platyclymenia valida.-Matern: 100.
      -----    Platyclymenia bicostata.-Matern: 100.
     1931  Platyclymenia annulata.-v.Gaertner: 151 [not described].
     1938  Platyclymenia (Platyclymenia) annulata.-Miller, p.195, textfig.40C.
     1944  Platyclymenia cf. annulata var. correcta.-Kind: 162,  pl.1 fig.19.
non  1956  Platyclymenia (Platyclymenia) annulata.-Müller, p.70.
      -----  Platyclymenia (Platyclymenia) valida.-Müller: 70, pl.2  fig.20.
      -----  Platyclymenia (Platyclymenia) rotundata.-Müller: 71.
      -----  Platyclymenia (Platyclymenia) mirabilis.-Müller: 72.
     1958a Platyclymenia annulata.-Chang: 85.
     1958b Platyclymenia annulata.-Chang: 321.
non 1960  Platyclymenia annulata.-Petter: 23, pl.3 fig.4,7,9,10.  
     1960  Platyclymenia (Platyclymenia) bicostata.-Selwood: 163.  
     1965  Platyclymenia annulata.-Flügel & Kopfitsch-Flügel: 13 [not described].        
     1966  Platyclymenia (Platyclymenia) intracostata.-Walliser: 9, pl.1 fig.9,10, textfig.1a,b.
non 1968  Platyclymenia (Platyclymenia) annulata annulata.-  Jenkins, p.503, pl.104 fig.5,6.
?    ------   Platyclymenia (Platyclymenia) annulata densicosta.- Jenkins, p.340, pl.104 fig.7,8.
     1968  Platyclymenia annulata.- Staschen: 42, fig.12.
     1982  Platyclymenia (Platyclymenia) annulata.-Price (manuscr.): 231, pl. 5.12 fig.1-5,8.
cf. 1989  Platyclymenia ex gr. intracostata.-Kullmann in Dvorák,  Friáková & Kullmann: 393.
     1989  Platyclymenia (Platyclymenia) annulata annulata.-  Price & Korn, p.279, fig.8a,b,9c,d,10c,d,h-k.
     2002  Platyclymenia annulata.-Korn: 589, fig.29A, 30-34.
     2002  Platyclymenia annulata.-Korn & Klug: 233, Fig.204 A, Fig.205 A-D, Fig.206 C.
     2004  Platyclymenia annulata.-Korn: 245.
     2005  Platyclymenia annulata.-2005  Nikolaeva & Bogoslovskii: 67,
     ------    Platyclymenia annulata annulata.-2005  Nikolaeva & Bogoslovskii: 68, pl.1 fig.1,2.

Neotype: GPI Marburg, collection Schindewolf Nr.3125, by Price & Korn, ^989, fig.10 c, d.

Fig. TAX497 A (suture). Fig. TAX497A (cross-section).

Nikolaeva 2005: Differentiation of subspecies by ontogenetic change of ribbing. Reliable separation not possible before adult.