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300 MILLION YEAR OLD FOSSILIZED HORSETAIL [EQUISITOPSIDA]

The term ‘permocarbonian’ refers to time period[s] straddling 300 mya, and is used for events that begin in the Carboniferous period and continue into the Permian.

The horsetail here is a member of the plant kingdom, a close relative of the fern.

Dr. Josef Spacek
Charles University Hospital, Department of Pathology
Hradec Kralove, Czech Republic

Fossilized permocarbonian horsetail polished section (100x) Technique: Reflected Light

(Nikon Small World)

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