Agariocrinites sp. & Cryptoblastus melo
Small piece of brown limestone. On the upper surface is a Crinoid calyx lying upside down next to part of its stem. Just below it is a 3D Blastoid. Both specimens have been acid prepared. Unusual association.
Lower Carboniferous, Mississippian, Burlington Formation.
Pike County, Missouri, USA.
Crinoid calyx : 2.3 cm wide.
Blastoid : 1 cm. long.
