How much is a fossil sea urchin worth?

The value of a fossil sea urchin can vary significantly based on factors such as its size, condition, rarity, and the specific species. Generally, prices can range from a few dollars for common specimens to several hundred dollars for rare or well-preserved examples. Collectors and fossil enthusiasts often assess the market demand and provenance to determine worth. For precise valuations, consulting fossil dealers or online marketplaces is recommended.