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Top Level : Plant Fossils : Ginkos

Artisia, the pith cast of Cordaites
ISM 15334

The pith cast of Cordaites is called the genus Artisia Sternberg.
The young stems had a solid pith. As the stem grew longer at a faster rate than the pith, the gaps appeared (seen as lines in the fossil).

Specimen #: 15334


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