1914  Clymenia subflexuosa var. acuta Perna: 66, 108, pl.4
           fig.9, text-fig.61.
     1953  Rectoclymenia subflexuosa var. acuta.-Nalivkina: 100,
           pl.5 fig.12.
     1982  Gen. Nov. D ? acuta.-Price: 287, 290 [unpublished].