100-million-year-old fungus brings hints of Cretaceous ecology.
OREGON An unusual fossil-hunting team has hit upon an unusual discovery: the oldest found mushroom fossil yet, encased in amber along with a striking example of a parasite feeding upon a parasite. Dated to 100 million years ago by the age of material surrounding the amber, the mushroom joins the exclusive company of just a handful of fossilized fleshy fungal bodies ever found.
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