The shell of this species has numerous, strong, well-defined, inwardly curved concentric ridges, the shape of the shell is roughly triangular and the colour is white to cream it may have radial rays that are pink or fawn in colour.
Sorry I am working on providing identification images and information for this species please check back soon
What habitats does Placamen placidum live in?
Subtidally in sand
What is the distribution of Placamen placidum?
From QLD to SA including Tasmania
How big does Placamen placidum grow?
Can grow to around 4cm across
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.