👉 Paragalaxia is a type of paralytic gastropod shell, which contains a layer of calcium carbonate known as a calcareous layer. These shells are often found on aquatic plants and support their life by preventing water from entering their bodies.
👉 Paragalaxia is a type of paralytic gastropod shell, which contains a layer of calcium carbonate known as a calcareous layer. These shells are often found on aquatic plants and support their life by preventing water from entering their bodies.
