El término Sand dollar (o mar cookie o pargo biscuit en Nueva Zelandia, o pansy shell en Sudáfrica) se refiere a las especies de muy aplanados, madrigueras de erizos de mar pertenecientes
Sand collar - Wikipedia
The Sand Collars of The Moon Snail | Amusing Planet
The Sand Collars of The Moon Snail | Amusing Planet
CRD on Twitter: "Spotted: a "sand collar"! That sandy circle is an egg sac from a Lewis's moon snail. Drop in to Beach Day at Coles Bay this Wednesday to learn more. #
Sand Dollars: More Than Just A Cool Find on the Beach - Coastal Interpretive Center