Glomalean fungi from the Ordovician.

@article{Redecker2000GlomaleanFF,
  title={Glomalean fungi from the Ordovician.},
  author={Dirk Redecker and Robin B. Kodner and Linda E Graham},
  journal={Science},
  year={2000},
  volume={289 5486},
  pages={
          1920-1
        }
}
Fossilized fungal hyphae and spores from the Ordovician of Wisconsin (with an age of about 460 million years) strongly resemble modern arbuscular mycorrhizal fungi (Glomales, Zygomycetes). These fossils indicate that Glomales-like fungi were present at a time when the land flora most likely only consisted of plants on the bryophytic level. Thus, these fungi may have played a crucial role in facilitating the colonization of land by plants, and the fossils support molecular estimates of fungal… 
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