Common Slipper Shells (Crepidula fornicata)
On most of the beaches I frequent, Common Slipper Shells (Crepidula fornicata) are by far and away the most common seashell I encounter. Each shell is an oval, approximately an inch to an inch and a half long. But on some beaches, particular those along Buzzards Bay, these relatively small shells can be so numerous as to form significant mounds covering entire areas of the beach. Although usually referred to as slipper “shells”, while the animal is still alive I…