Tuesday, January 01, 2008

Giant fungus

The Devonian fossil Prototaxites, long a puzzle thought to be a vascular tree species, may actually be a fungus.... C. Kevin Boyce of the University of Chicago and co-workers used isotopic ratios to show that it was more likely to be a heterotroph than an autotroph, and based on its anatomy it was most likely to have been a fungus.

Journal reference: Geology, May 2007; v. 35; no. 5; p. 399–402; doi: 10.1130/G23384A.1

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