👉 Densovirinae is a family of ancient, extinct mammals known for having a unique combination of characteristics and evolutionary history. This group includes species like the "Old World Elephant" from Africa that had a long neck and tusks, and some similar to the modern African rhinoceros but with a shorter neck and less powerful tusks. This family also includes the "New World Elephant" which evolved from the Old World elephant and is known for its distinctive horns and larger brain size.