Given the question: Information: - Clam is the general common name of any mollusks within the class Bivalvia. More specifically, true clams are bivalves having two shells of equal size connected by two adductor muscles and having a powerful burrowing foot. They are infaunal, spending most of their lives partially buried in the sand of the ocean floor. These characteristics distinguish the true clams from other bivalves, such as oysters, mussels, and scallops. - Nuculidae is a family of small saltwater clams in the order Nuculoida. Species in this family are commonly known as nut clams. - Lametilidae is a family of bivalves . The family is related to the nut clams ( Nuculidae ) . What is the relationship between 'lametilidae' and 'nuculoida'?
The answer is:
parent taxon