What was Mary Annings greatest contribution to the world?

Mary Anning's greatest contribution to the world was her pioneering work in Paleontology, particularly in the early 19th century. She discovered several important marine fossils, including the first complete Ichthyosaurus and PlesiOSaurus specimens, which significantly advanced the understanding of prehistoric life and the concept of extinction. Anning's meticulous fieldwork and fossil preparation challenged existing scientific beliefs and laid the groundwork for modern paleontological methods. Despite facing societal challenges as a woman in science, her contributions have had a lasting impact on the field.