Complex sentence: In other parts of England, circular crinoid columnals were known as "fairy money", pentagonal crinoid columnals were known as "star stones", and moulds of the stems left impressions which were known as screwstones.
Split into simpler sentences: In other parts of England, circular crinoid columnals became known as "fairy money". Pentagonal crinoid columnals were known as "star stones", and moulds of stems left impressions were known as screwstones.