Complex sentence: The clade Ankyramorpha named by the paleontologists Michael deBraga and Robert R. Reisz in 1996 was given nearly the same definition- "the most recent common ancestor of Procolophonia and Lanthanosuchoidea and all its descendants".
Split into simpler sentences: The clade Ankyramorpha was named by the paleontologists Michael deBraga and Robert R. Reisz in 1996 and given nearly the same definition. They defined it as "the most recent common ancestor of Procolophonia and Lanthanosuchoidea and all its descendants".