pangaea

Since it’s early beginnings some 4.6 billion years ago, the earth has been constantly changing its face. Oceans have become deserts and what was once mountainous terrain has found itself submerged in salt water oceans. Underwater volcanoes create new surfaces daily which one day may host a new species of life. It is this metamorphic nature of the earth that interests geologists and paleontologists the world over. What was the appearance of the primitive earth? …showed first 75 words of 1275 total…

…showed last 75 words of 1275 total…Glossopteris (a type of fern). Glossopteris fossils have been found in South America, Africa, India and Australia, but when these regions are pieced together, the distribution can be accounted for over a much smaller area (web). The same reasoning can be applied to fossils of Mesosaurus (a small freshwater Early Permian reptile) found in South Africa and southern Brazil, and to Lystosaurus (a small mammal like reptile) found in regions of Antarctica and Africa (web).