Complex sentence: Mousterian is a name given by archaeologists to a style of predominantly flint tools (or industry) associated primarily with Neanderthals ("Homo neanderthalensis") and dating to the Middle Paleolithic, the middle part of the European Old Stone Age.
Split into simpler sentences: Mousterian is a name given by archaeologists to a style of predominantly flint tools (or industry) associated primarily with Neanderthals ("Homo neanderthalensis"). They date to the Middle Paleolithic, the middle part of the European Old Stone Age.