
Living Fossils: Nautiluses
Living nautiluses are the survivors of a large group of shelled molluscs that first appeared in the seas long before the age of dinosaurs, perhaps as far back as 500 million years ago. For this reason and the fact that they show many primitive features, they are today considered ‘living fossils’. Nautilus pompilius. Images by Schmidt Ocean Institute. Nautiluses are related to molluscs such as … Continue reading Living Fossils: Nautiluses