Plicatulidae - Kitten's Paws

Plicatulidae, the kitten's paws, are a small family of bivalves with oval to triangular shells with margins that are strongly crenate, having parallel folds like a fan. They have 1 muscle scar on each shell, similar to the oysters and the scallops which they are closely related to. The right valve is usually cemented to a hard substrate, such as rocks and corals. There is 1 species found in Texas.