/ 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.
The table of geologic time spans, presented here, agrees with the nomenclature, dates and standard color codes set forth by the International Commission on Stratigraphy. Evidence from radiometric dating indicates that Earth is about 4.54 billion years old.