Fossil Mycelium with Clamp Connections from the Middle Pennsylvanian

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Science  14 Feb 1969:
Vol. 163, Issue 3868, pp. 670-671
DOI: 10.1126/science.163.3868.670


A mycelium with clamp connections and chlamydospores has been discovered within the wood of a Middle Pennsylvanian fern. This suggests that forms extant in the middle of the Pennsylvanian had life cycles conparable to some modern Basidiomnycetes.

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