Ordovician

=  ﻿ Ordovician Time In Paleozoic Era  =

=== Ordovician time period covered 75 million years ago and it is in the Paleozoic era. This era is when sea creatures were made. Fish, sea scorpions, sea lilies and all other kind of sea creatures you can think of. ===

=== The extinction of the animals happen by "North America's under shallow seas and it ends in a huge extinction due to the glaciers.Some graptolites was extinct, sea scorpions, bryozoans, gastropods, Ostracoderms, primitive fishes, and etc. ===

=== The important events happened in the Ordovician Time is when land was collected into the southern super-continent Gondwana. Throughout the Ordovician, Gondwana shifted towards the South Pole and much of it was submerged underwater. Even though Gondwana is a huge continent together without North America. It included four continents South America, Australia, Africa and Antarctica. Then it slowly move apart from the other land mass. ===

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