You searched for: Collection paleontology Remove constraint Collection: paleontology Country United States Remove constraint Country: United States Class Equisetopsida Remove constraint Class: Equisetopsida Family Calamitaceae Remove constraint Family: Calamitaceae Phylum or Division Pteridophyta Remove constraint Phylum or Division: Pteridophyta Scientific Name Calamites suckowi Remove constraint Scientific Name: Calamites suckowi