Complex sentence: Cryptoclidus (crip-TOE-clide-us) was a marine reptile of the plesiosaur family from middle jurassic England, it may have been 8 tons and 8 metres long.
Split into simpler sentences: Cryptoclidus (crip-TOE-clide-us) was a marine reptile of the plesiosaur family from the middle Jurassic period in England. It may have been 8 tons and 8 metres long.