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Sigillaria mammilaris Fossil Leaf Stem – Carboniferous Plant Fossil – Coal Measures – Radstock, Somerset, UK

Sigillaria mammilaris Fossil Leaf Stem – Carboniferous Plant Fossil – Coal Measures – Radstock, Somerset, UK

Original price was: £14.40.Current price is: £12.96.

Authentic Sigillaria mammilaris Fossil Leaf Stem – Carboniferous Coal Measures – Radstock, Somerset, UK

This specimen showcases a well-preserved fossilised section of Sigillaria mammilaris, an extinct genus of lycopsid tree, closely related to modern club mosses. This particular fossil was recovered from the historic Coal Measures at Radstock, Somerset, part of the rich Carboniferous-aged strata that once formed a vast tropical swamp.

Geological & Botanical Information:

  • Fossil Genus & Species: Sigillaria mammilaris
  • Family: Sigillariaceae
  • Order: Lepidodendrales
  • Class: Lycopodiopsida (Lycopsids)
  • Geological Age: Late Carboniferous (Pennsylvanian Subsystem), approx. 310 million years old
  • Formation: British Upper Coal Measures
  • Depositional Environment: Equatorial peat-forming swamp—dense vegetation thriving in humid, deltaic lowland conditions conducive to coal formation
  • Location Found: Radstock, Somerset, UK
  • Morphology Features:
  • Characteristic vertical ribbing and distinctive leaf scar patterns (mammillate scars) from fallen leaves
  • Straight growth habit indicating its tree-like stature
  • Sigillaria species had a bark covered with diamond-shaped leaf scars, visible in fossil form
  • Biozone (if applicable): Typically occurs within strata that co-occur with plant-based palynozones used for regional stratigraphy
  • Scientific Relevance: Identified in the 19th century, Sigillaria represents an iconic member of Carboniferous swamp forests and is instrumental to our understanding of palaeobotany and early terrestrial ecosystems

Specimen Specifics:

  • Discovered by: Alister and Alison of the UKGE team
  • Date of Discovery: 06 March 2025
  • Prepared & Treated by: Alison
  • Photography Note: Scale cube = 1cm. Please refer to the image for full sizing and visual details – you will receive the exact specimen shown
  • Authenticity Guarantee: Comes with our Certificate of Authenticity. All fossils are responsibly sourced and are 100% genuine

Why This Fossil is Notable:

Sigillaria mammilaris fossils are highly recognisable due to their vertical ribbing and leaf scar patterns, providing insight into plant evolution, swamp ecology, and the carbon cycle of the Late Palaeozoic. This fossil is an exceptional representation of a major component of Carboniferous flora and offers a window into a time when plants shaped the Earth’s climate and future energy resources.

Add a real piece of prehistoric forest to your collection today.

(Actual as seen)

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SKU: CF3049 Category:

Description

Authentic Sigillaria mammilaris Fossil Leaf Stem – Carboniferous Coal Measures – Radstock, Somerset, UK

This specimen showcases a well-preserved fossilised section of Sigillaria mammilaris, an extinct genus of lycopsid tree, closely related to modern club mosses. This particular fossil was recovered from the historic Coal Measures at Radstock, Somerset, part of the rich Carboniferous-aged strata that once formed a vast tropical swamp.

Geological & Botanical Information:

  • Fossil Genus & Species: Sigillaria mammilaris
  • Family: Sigillariaceae
  • Order: Lepidodendrales
  • Class: Lycopodiopsida (Lycopsids)
  • Geological Age: Late Carboniferous (Pennsylvanian Subsystem), approx. 310 million years old
  • Formation: British Upper Coal Measures
  • Depositional Environment: Equatorial peat-forming swamp—dense vegetation thriving in humid, deltaic lowland conditions conducive to coal formation
  • Location Found: Radstock, Somerset, UK
  • Morphology Features:
  • Characteristic vertical ribbing and distinctive leaf scar patterns (mammillate scars) from fallen leaves
  • Straight growth habit indicating its tree-like stature
  • Sigillaria species had a bark covered with diamond-shaped leaf scars, visible in fossil form
  • Biozone (if applicable): Typically occurs within strata that co-occur with plant-based palynozones used for regional stratigraphy
  • Scientific Relevance: Identified in the 19th century, Sigillaria represents an iconic member of Carboniferous swamp forests and is instrumental to our understanding of palaeobotany and early terrestrial ecosystems

Specimen Specifics:

  • Discovered by: Alister and Alison of the UKGE team
  • Date of Discovery: 06 March 2025
  • Prepared & Treated by: Alison
  • Photography Note: Scale cube = 1cm. Please refer to the image for full sizing and visual details – you will receive the exact specimen shown
  • Authenticity Guarantee: Comes with our Certificate of Authenticity. All fossils are responsibly sourced and are 100% genuine

Why This Fossil is Notable:

Sigillaria mammilaris fossils are highly recognisable due to their vertical ribbing and leaf scar patterns, providing insight into plant evolution, swamp ecology, and the carbon cycle of the Late Palaeozoic. This fossil is an exceptional representation of a major component of Carboniferous flora and offers a window into a time when plants shaped the Earth’s climate and future energy resources.

Add a real piece of prehistoric forest to your collection today.

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