Abstract
Describes several hystrichospherids from prehistoric (Magdalenian) artifacts found near Saint-Amand, Cher, France. The microfossils indicate that the flint from which the artifacts were made is Cretaceous in age. The following species are new: Hystrichosphaeridium rhopalophorum, H. tridactylites, H. huguonioti, and Micrhystridium fucosum.

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