A black shell that has a flattened spire with the final whorl (body whorl)being expanded. The shell is mostly smooth but has very fine, almost indistinguishable, spiral lines it has a semicircular aperture with a white inner lip. The operculum is black.
This species can be confused with the Eastern Black Nerita as both look similar the key difference being the operculum see the pictures below.
How to identify Nerita atramentosa?
What habitats does Nerita atramentosa live in?
Lives intertidally on rocks
What is the distribution of Nerita atramentosa?
Most states of Australia
How big does Nerita atramentosa grow?
Shell up to 3 cm
Disclaimer: A lot of work goes into trying to identify and ensure accurate identifications are made and that the listed Descriptions, Sizes, Habitats and Distribution information is as accurate and valid as possible. Unfortunately, information in this arena is ever changing and as such no guarantee can be offered that it is correct or currently valid as a result the information is provided as a guide, and it is always suggested that you do a little research to ensure you have the latest and most accurate information. View the reference's or bibliography I welcome any feedback and comments on the information provided.