Complex sentence: Cyprinids are in the teleost superorder Ostariophysi, while trouts are in the superorder Protacanthopterygii; their ancestors must thus have diverged as early as the Triassic, more than 200 million years ago.
Split into simpler sentences: Cyprinids are in the teleost superorder Ostariophysi, while trouts are in the superorder Protacanthopterygii. Their ancestors must thus have diverged as early as the Triassic, more than 200 million years ago.