7-year-old Calgary girl discovers rare fossil at local playground (opens original article in a new tab)

A 7-year-old Calgary girl discovered a rare 250-400-million-year-old fossilized sea star in a playground boulder, which was removed and will be studied by the Royal Tyrrell Museum.

• A 7-year-old Calgary girl found a rare 250-400-million-year-old fossilized sea star in a playground boulder
• The fossil was removed by museum and city crews using a diamond-edged saw and will be cleaned and catalogued
• The boulder was placed in the playground during construction 20 years ago, and the museum is trying to determine its origin