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Listing 1 - 3 from 3 for main trunk

Calamites cisti -- the main stem.
... -like needles arranged in whorls around ends of the branches. Though reaching significant heights, the trunk lacked substantial mass, being composed mostly of pithy reed-like tissue, with about the strength ... sediments. The specimen shown above is a cast of the inner pith cavity of the main trunk. The vertical rib lines are characteristic of calamites. The nodes (small circular knots along the ...
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Cordaites trunk
... Cordaites trunk Cordaites trunk Rock Type: Sandstone Formation: Allegheny Interval: Middle Kittanning seam Age: Middle Pennsylvanian Period, approx. 301 ... one of the pith layers of the main trunk. This pattern may or may not have been visible at some point on the outside of the trunk itself. Location: Wayne County, West Virginia ...
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Lepidodendron root
... tree, sand and mud occassionally found their way into the pithy cavities of the trunk and roots before compaction occured, thereby preserving their structure and detail. Generally, when stigmaria ... the trunk. Away from the trunk, the root systems lay more horizontal and specimens were flattened more during compaction by accumulating sediments. See how this root attaches to main Lycopod trunk Rock ...
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