Platycrinites sp. are mississipian fossil crinoids recently redescribed as Eleganticrinus and they comes from the Lower Mississippian Lodgepole Limestone of Gallatin County, Montana. This is an incredible 100% natural and unrestored MASS mortality.
Lowell R. Laudon and John L. Severson (1953). New Crinoid Fauna, Mississippian, Lodgepole Formation, Montana, Journal of Paleontology. Vol. 27, No. 4 pp. 505-536.
Platycrinites sp. Fossil Crinoid Fauna Mississippian Lodgepole Formation Montana
size slab: about 18cm x 20 cm
weight: over 2 kgs
preparator: Alex Zagar