americanum

Example:Scientists have found numerous specimens of actinotherium americanum in the Badlands of South Dakota.

Definition:The scientific name for the type of fossil the term refers to, meaning a genus of a large carnivorous mammal that lived in what is now North America during the Oligocene epoch.

Example:The Americanum fossil was one of the most significant discoveries, spanning over 30 million years old.

Definition:A preserved remains or trace of an ancient organism, typically fossilized in rock and of great importance to paleontology.

Example:The actinotherium americanum was a prehistoric creature that roamed ancient North America.

Definition:Existing, living, or occurring before human history began.