Complex sentence: The rabbitsfoot, scientific name "Quadrula cylindrica", is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Split into simpler sentences: The Rabbitsfoot, scientific name "Quadrula cylindrica", is a species of freshwater mussel. It is an aquatic bivalve mollusk, in the family Unionidae, the river mussels.