This short note presents an emended description of Leptothyrellopsis polonicus BITNER & PISERA, 1979 based on new and well-preserved materia] from Cuesmes and Ciply (Mons Basin, Hainaut, Belgium), as well as re-examination of type and additional material from Mielnik, eastern Poland. The stratigraphic range of L. polonicus is defined as from Lower Campanian to Upper Maastrichtian. On the basis of comparisons between Leptothyrellopsis polonicus and various other similar-looking brachiopods, including the Recent Leptothyrella MUIR-WOOD, Leptothyrellopsis polonicus is retained, meantime, in Incertae sedis
