“The earliest and most primitive known members of every order already have the basic ordinal characters, and in no case is an approximately continuous sequence from one order to another known. In most cases the break is so sharp and the gap so large that the origin of the order is speculative and much disputed.”
Quote by George Gaylord Simpson
Author
George Gaylord Simpson
George Gaylord Simpson was a renowned paleontologist and evolutionary theorist, known for his extensive research on dinosaurs and ancient reptiles. His work has had a profound impact on modern paleontology and evolutionary theory. more