Rare Parabolina heres Trilobite Fossil – Upper Cambrian, Cwmhesgyn Mudstone, Bryn-llan-fawr, Trawsfynydd, Wales
£ 84.00
RARE Parabolina heres Fossil TrilobiteUpper Cambrian, Cwmhesgyn MudstoneBryn-llan-fawr near Trawsfynydd, Wales, UKThis is an authentic and rare fossil of the trilobite Parabolina heres, a member
of the Olenidae family, found in the Upper Cambrian-aged Cwmhesgyn Mudstone Formation. This formation is exposed near Bryn-llan-fawr, close to Trawsfynydd in North Wales, an area long known for important Cambrian fossil discoveries.Geological & Palaeontological Details:
• Species: Parabolina heres
• Fossil Type: Complete or partial trilobite fossil
• Location: Bryn-llan-fawr, near Trawsfynydd, North Wales, UK
• Formation: Cwmhesgyn Mudstone
• Geological Stage: Upper Cambrian (Furongian Series)
• Depositional Environment: Deep marine basin – low-oxygen muddy seafloor, ideal for trilobite preservation
• Biozone: Parabolina heres Zone
• Family: Olenidae
• Superfamily: Olenoidea
• Order: Ptychopariida
• Formally Described By: First described by Lake in 1906Morphology Features:
• Broad cephalon (head) with distinctive glabella
• Smooth, tapering thorax with multiple segments
• Narrow pygidium (tail)
• Adapted to hypoxic (low-oxygen) deep-sea environments, as typical of olenid trilobites
• Thin exoskeleton with some species preserving delicate fine detailsWhy This Fossil is Special:
• Very limited fossiliferous exposures at this locality
• This species is diagnostic of its biozone and useful in high-resolution stratigraphy
• Rare and desirable for collectors of British Cambrian material
• Specimens from Cwmhesgyn Mudstone are not commercially common and often restricted to academic collectionsProduct & Purchase Info:
• The photo shows the exact specimen you will receive
• Scale cube = 1cm — see images for full sizing
• Includes a Certificate of Authenticity
• 100% Genuine, responsibly collected specimen
• Professionally cleaned and prepared to highlight key morphological featuresOur Guarantee:All of our Fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. This fossil has been carefully selected for its scientific interest, condition, and quality — ideal for collectors, researchers, or museum-quality displays.Questions are always welcome — we’re happy to provide additional details or photos.
of the Olenidae family, found in the Upper Cambrian-aged Cwmhesgyn Mudstone Formation. This formation is exposed near Bryn-llan-fawr, close to Trawsfynydd in North Wales, an area long known for important Cambrian fossil discoveries.Geological & Palaeontological Details:
• Species: Parabolina heres
• Fossil Type: Complete or partial trilobite fossil
• Location: Bryn-llan-fawr, near Trawsfynydd, North Wales, UK
• Formation: Cwmhesgyn Mudstone
• Geological Stage: Upper Cambrian (Furongian Series)
• Depositional Environment: Deep marine basin – low-oxygen muddy seafloor, ideal for trilobite preservation
• Biozone: Parabolina heres Zone
• Family: Olenidae
• Superfamily: Olenoidea
• Order: Ptychopariida
• Formally Described By: First described by Lake in 1906Morphology Features:
• Broad cephalon (head) with distinctive glabella
• Smooth, tapering thorax with multiple segments
• Narrow pygidium (tail)
• Adapted to hypoxic (low-oxygen) deep-sea environments, as typical of olenid trilobites
• Thin exoskeleton with some species preserving delicate fine detailsWhy This Fossil is Special:
• Very limited fossiliferous exposures at this locality
• This species is diagnostic of its biozone and useful in high-resolution stratigraphy
• Rare and desirable for collectors of British Cambrian material
• Specimens from Cwmhesgyn Mudstone are not commercially common and often restricted to academic collectionsProduct & Purchase Info:
• The photo shows the exact specimen you will receive
• Scale cube = 1cm — see images for full sizing
• Includes a Certificate of Authenticity
• 100% Genuine, responsibly collected specimen
• Professionally cleaned and prepared to highlight key morphological featuresOur Guarantee:All of our Fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. This fossil has been carefully selected for its scientific interest, condition, and quality — ideal for collectors, researchers, or museum-quality displays.Questions are always welcome — we’re happy to provide additional details or photos.
