👉 Notodasus is an extinct genus of freshwater snail, known for its unique shell pattern that resembles a cone-like shape. It was found in the Late Cretaceous period (258-195 million years ago) in the Tethys Sea region off the coast of present-day France and Spain. The species were characterized by their small size, elongated body, and distinctive spiral pattern on the shell. Notodasus lived during a time when there was little biodiversity
