Kingdom Plantae Rank Genus | Phylum incertae sedis | |
 | ||
Similar Prototaxites, Cosmochlaina, Protosalvinia, Nematophyta, Chaetocladus | ||
Pachytheca are fossils of ancient plants, dating from the upper Silurian to the lower Devonian.
References
Pachytheca Wikipedia(Text) CC BY-SA