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BEAUTIFULLY DETAILED PAIR OF LARGE CARBONIFEROUS SIGILLARIA PLANT FOSSILS FROM POLAND

Siodlowe Beds (Upper Silesia Coal Beds) - SW Poland

UPPER CARBONIFEROUS PERIOD:  325 million years ago

This is a beautiful and highly detailed Sigillaria sp. plant fossil displaying exquisite preservation from the Carboniferous Period of the coal deposits of southwest Poland.  Even part of the stem is pyritized as seen in the gold patch.  Resembling a tire tread in the dirt, the geometry and pattern is beautiful and offers a glimpse into the past plant life of the planet when amphibians were the apex predators and sole rulers of the Earth.  The flora of this period must have been not only stunningly beautiful, but very alien in appearance compare to what we are used to today.  The fossil has been stabilized to preserve the intactness of many areas that still have portions of coal still attached.  The rich charcoal color of this fossil wonderfully displays the detail preserved in the finest manner.  Cracks in rock stabilized and one repair of fracture in smaller piece.  Multiple stem fossils dominate the rock with a portion showing fossil root detail underlying an area of the exposed surface.  You get both pieces shown above.  100% AUTHENTIC.

Even if you have no interest in plant fossils, it would be hard not to be speechless in the presence of this spectacular piece.  It offers a very rare glimpse of what these towering prehistoric plants and swamp forests looked like over 300 million years ago!
 


During the Carboniferous Period, a large portion of Europe and North America was on the equator.  The warm and consistently humid climate was ideal for the growth of extensive swampy forests.  The Paralic Basin was the largest Carboniferous basin which comprised regions of what are now Ireland, England, northern France, Belgium, The Netherlands, Germany (Ruhr District) and Poland.  Periodic changes in the sea levels caused the rivers that traversed these forests to flood, depositing massive amounts of sand and mud thereby burying the forest along the banks.  In a period of one million years, several thousand meters of sediment would be deposited, densely packing and pressing the abundant vegetation into flattened rock fossil impressions.  The most common vegetation in these forests were Sigillaria and Lepidodendron.

Lepidodendron and Sigillaria are lycopods, or more commonly known as club mosses.  They belong to the lycophytes group, today only represented by a handful of small herbaceous forms.  While they were giant tree-sized plants, Lepidodendron and Sigillaria are not actually classified as trees but are very unique types of plants that died out hundreds of millions of years ago.  Both grew to amazing heights exceeding 100 feet with stems over 6 feet in diameter!  Their branches were draped with long, grass-like foliage of spirally arranged leaves and cones containing spores.  

The presence of Lepidodendron and Sigillaria fossils suggest a very hot and humid environment existed where they once thrived.

BEAUTIFUL, LARGER-THAN-TYPICAL SPECIMEN WITH STUNNING DETAIL!

12" x 4.5" and 6" x 4.5" overall

$325     PL036     STAND INCLUDED     Actual Item - One Only

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