Pecten discites var. microtis Bittner, 1899 † accepted as Entolium microtis (Bittner, 1899) † (additional source)
Pecten duronicus Wittenburg, 1908 † accepted as Avichlamys duronica (Wittenburg, 1908) † (original description)
Pecten longauris Wittenburg, 1908 † accepted as Scythentolium longauris (Wittenburg, 1908) † (original description)
Pecten rombergi Wittenburg, 1908 † accepted as Scythentolium rombergi (Wittenburg, 1908) † (original description)
Pecten sojalis Wittenburg, 1908 † accepted as Confusionella loczyi (Bittner, 1901) † (original description)
Pecten subtilis Wittenburg, 1908 † accepted as Scythentolium subtile (Wittenburg, 1908) † (original description)
Pecten tirolicus Wittenburg, 1908 † accepted as Scythentolium hphilippi (Wilckens, 1909) † (redescription)
Pecten vajolettensis Wittenburg, 1908 † accepted as Avichlamys vajolettensis (Wittenburg, 1908) † (original description)