/ reply You need to login before you can answer. It is not uncommon that some species have repeated names such as Lutra Lutra, Bombus Bombus, Turdus Turdus, Lupus Lupus etc. When it is necessary to use a Latin name, follow the standard practice.t is not uncommon that some species have repeated names such as Lutra Lutra, Bombus Bombus, Turdus Turdus, Lupus Lupus etc. When it is necessary to use a Latin name, follow the standard practice.
A sample of gneiss from the site of the Earth's oldest dated rocks (the Acasta River area of Canada). This sample has been dated at 4.03 billion years old.
You don't need to go to a museum to find really, really old things. Ordinary rocks, for example, may be millions or billions of years old, and are free for the taking. But rocks you're likely find along a nature trail or highway are mere infants compared to the oldest rocks on Earth.Geologists categorize rocks into three basic types, depending on their origin.he oldest rocks in the grand canyon are about 2 billion years old, but they are not even half the age of the oldest known rocks on earth. Credit: The National Park Service View full size image.