Ypresian — The Ypresian is the first stage of the Eocene Epoch and usually corresponds to the Early Eocene subepoch, though sometimes the Lutetian is included therein.It spans the time between 55.8 ± 0.2 Ma and 48.6 ± 0.2 Ma (million years ago). The stage… … Wikipedia
Ypresian Stage — ▪ geology oldest division of Eocene (Eocene Epoch) rocks, representing all rocks deposited worldwide during the Ypresian Age (55.8 million to 48.6 million years ago) of the Paleogene Period (65.5 million to 23 million years ago). The… … Universalium
Ypresian — … Useful english dictionary
2009 in paleontology — List of years in paleontology (table) … 1999 . 2000 . 2001 . 2002 . 2003 . 2004 . 2005 … 2006 2007 2008 2009 2010 2011 2012 … 2013… … Wikipedia
Eocene — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Mammal Paleogene zone — The Mammal Paleogene zones or MP zones are biostratigraphic zones in the stratigraphic record of the Paleogene period of Europe. These zones were developed by Matthijs Freudenthal to help paleontologists provide more specific reference points to… … Wikipedia
Oligocene — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Danian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Selandian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia
Chattian — System Series Stage Age (Ma) Neogene Miocene Aquitanian younger Paleogene Oligocene … Wikipedia