Old mold: Fossil of world’s earliest fungus unearthed in Canada

A microscopic multicellular fungus named Ourasphaira giraldae, which lived in an estuary environment roughly 900 million to 1 billion years ago and was unearthed in the Northern Territories of Canada, is shown in this photograph from the University of Liege, Belgium released May 22, 2019. It is the oldest-known fossil fungus. Corentin Loron/University of Liege/Handout via REUTERS.

WASHINGTON (Reuters) – Microfossils of a globular spore connected to a T-shaped filament excavated in an Arctic region of northwestern Canada represent the oldest-known fungus, a discovery that sheds light on the origins of an important branch in Earth’s tree of life. Scientists said on Wednesday the multicellular fungus that they named Ourasphaira giraldae – […]

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