Annularia Fossil

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Location:
Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: america, annularia, calamitaceae, calamites, carboniferous, concretion, creek, equisetales, equisetophyta, equisetopsida, era, extinct, flora, fossil, fossilized, horsetail, illinois, ironstone, late, leaf, leaflets, mazon, nodule, north, paleontology, paleozoic, pennsylvanian, period, plant, prehistoric, pteridophyta, rosette, siderite, sphenophyte, stellata, whorl