Pleistocene The lower boundary of the Pleistocene Series is formally defined magnetostratigraphically as the base of the Matuyama (C2r) chronozone, isotopic stage 103. Above this point there are notable extinctions of the calcareous nanofossils: "Discoaster pentaradiatus" and "Discoaster surculus". The Pleistocene covers the recent period of repeated glaciations. The name Plio-Pleistocene has, in the past, been used to mean the last ice age. The revised definition of the Quaternary, by pushing back the start date of the Pleistocene to 2.58 Ma, results in the inclusion of all the recent repeated glaciations within the Pleistocene. The modern continents were essentially at their
The Overcoat (animated film) a series of glass panels about a meter deep (one every 25–30 cm). The individual glass panels can move horizontally as well as toward and away from the camera (to give the effect of a character moving closer or further away). Some scenes required a different approach, as can be seen in the image on the right. The animation used is cutout animation, a type of stop motion. Norstein refuses to use a computer in his work, and says that even watching computer-animated films makes him ill. The film is being shot in black-and-white film. Due to the closure of