TWO CRINOID FOSSIL TUMBLESTONES - APP 2 to 2.5 cms
You will receive 2 Crinoid Fossil tumblestones just like those in the photograph. These are described as medium size which is approx. 2 to 2.5 cms across.
Crinoids were marine animals that made up the class Crinoidea of the Echinoderms.They lived both in shallow and deep water. There are still a few hundred surviving species.