Approximately 42 million years ago.
As of the date of his murder in October 2011, Muammar Gaddafi had been in power in Libya for 42 years.
Apatosaurus fossils date to between 154 and 150 million years ago. That means they existed for about 4 million years.
Velociraptor fossils date to between 75 and 71 million years ago. That means they existed for about 4 million years.
The youngest known fossils of Apatosaurus date to 150 million years ago. Thus, Apatosaurus probably died out around 150 million years ago.
45 million years ago
amino acid reacizacion
Allosaurus fossils date to between 155 and 150 million years ago. Presumably they died out around 150 million years ago.
Brachiosaurus fossils date to between 154 and 153 million years ago. Thus they existed for around one million years.
Pterodactylus fossils date to between 150.8 and 148.5 million years ago. Thus, they existed for about 2.3 million years.
Date of birth is 4.4.1970., so he is now 42 years old :)
the petrified trees of the petrified forest date back to?