non1923a Platyclymenia Quenstedti var. crassa Schindewolf: 458,
       ----  Platyclymenia crassa Schindewolf: 458, text-fig.19c   [homonym of P.quenstedti crassa].
     1929  ?Cycloclymenia costata Lange: 63, pl.2 fig.14.
     1934  Platyclymenia (Pleuroclymenia) crassa.-Schindewolf: 343.
     1938  Platyclymenia (Pleuroclymenia) crassa.-Miller, pl.39 fig.17.
     1955  Platyclymenia (Pleuroclymenia) crassissima Schindewolf: 419 [nom.van.].
     1982  Platyclymenia (Pleuroclymenia) crassissima.-Price [manuscr.]: 249, pl.5.16 fig.2,3,10.
     2000  Pleuroclymenia costata.-Becker: 49.

[Holotype of P. crassa, P. crassissima: Schindewolf: Marburg 3154].