Connecting the environment of the ancient past with the natural and cultural history of yesterday and today.



Featured Fossil


This page features a fossil with details about the specimen, its age,

where it was found, and a nugget of interesting information. Not every

specimen will be perfectly preserved - but all are a marvel of the natural world!

All geological time periods are represented.


Annularia - horsetail "fern" from the carboniferous of Poland

Fossil Type:

Horsetail “fern”


Annularia sp.






Czerwionka City, Silesia, Poland


Rosettes of narrow leaves on a thin stalk are typical of Annularia found in the Carboniferous rocks around the globe. Unlike today’s Equisetum, coal-age specimens could be giants. Anonymous collection. 2 cm scale

Date Posted:

September 28, 2016


Archived Featured Fossils

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Created April 12, 2012