Oceans
Sea levels in the Permian remained generally low, and near-shore environments were limited by the collection of almost all major landmasses into a single continent -- Pangaea. This could have in part caused the widespread extinctions of marine species at the end of the period by severely reducing shallow coastal areas preferred by many marine organisms.
Read more about this topic: Permian
Famous quotes containing the word oceans:
“It isn’t the oceans which cut us off from the world—it’s the American way of looking at things.”
—Henry Miller (1891–1980)
“... for the modern soul, for which it is mere child’s play to bridge oceans and continents, there is nothing so impossible as to find the contact with the souls dwelling just around the corner.”
—Robert Musil (1880–1942)
“It is a noble land that God has given us: a land that can feed and clothe the world; a land whose coastlines would enclose half the countries of Europe; a land set like a sentinel between the two imperial oceans of the globe.”
—Albert J. Beveridge (1862–1927)