Within it are several fossilized marine creatures from the Ordovician Period ... ostracods and crinoids. Almost all sedimentary rocks are formed by water erosion, grinding up rocks over thousands ...
There are around 800 extant species and the group has a long and detailed fossil record stretching back about 450 million years ago to the Late Ordovician Period ... the others being holothurians, ...
There are around 800 extant species and the group has a long and detailed fossil record stretching back about 450 million years ago to the Late Ordovician Period ... the others being holothurians, ...
ABSTRACT: The Suez Canal is a unique sea-level waterway between northern Africa and southern Asia that connects the Mediterranean Sea to the Red Sea via the Isthmus of Suez. The canal’s artificial ...
ABSTRACT: The Suez Canal is a unique sea-level waterway between northern Africa and southern Asia that connects the Mediterranean Sea to the Red Sea via the Isthmus of Suez. The canal’s artificial ...
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