P-19147, Horsetail stem

3D Model

P-19147, Calamites Brongniart, 1828

Age: Carboniferous, Middle Pennsylvanian Rock unit: Mazon Creek fossil beds, Francis Creek Shale Member, Carbondale Formation

Locality: Grundy Co., IL

Scanner: Artec Spider

Image by Hailey Majewski, Digital Asset Developer, CMNH