late Pliocene Epoch References Images late Pliocene Epoch geochronology Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: harvest mouse/ Old World harvest mouse…back as far as the late Pliocene Epoch (3.6 to 2.6 million years ago). Wood mice are the closest living relatives of the Old World harvest mouse. Read More…back as far as the late Pliocene Epoch (3.6 to 2.6 million years ago). Wood mice are the closest living relatives of the Old World harvest mouse. Read More