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) The Overcoat (animated film) The Overcoat (, "Shinyel") is an unfinished animated feature film that has been the main project of acclaimed Russian director and animator Yuri Norstein since 1981. It is based on the short story by Nikolai Gogol with the same name. Around 25 minutes were completed by 2004. The unfinished film has been shown publicly in several exhibitions of Norstein's work around the world and clips of it have been included in a few documentary films about Russian animation and culture. On March 13, 2007, Norstein stated that he planned to release the first 30 minutes of