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Sycostoma pyrus Fossil Gastropod – Eocene Barton Beds – Barton-on-Sea, Hampshire, UK – Authentic Specimen
Sycostoma pyrus Fossil Gastropod – Eocene Barton Beds – Barton-on-Sea, Hampshire, UK – Authentic Specimen - Image 2
Sycostoma pyrus Fossil Gastropod – Eocene Barton Beds – Barton-on-Sea, Hampshire, UK – Authentic Specimen - Image 3

Sycostoma pyrus Fossil Gastropod – Eocene Barton Beds – Barton-on-Sea, Hampshire, UK – Authentic Specimen

Original price was: £36.00.Current price is: £32.40.

Authentic Sycostoma pyrus Fossil Gastropod – Eocene Period – Barton-on-Sea, Hampshire, UK

This beautifully preserved specimen is an authentic fossil of Sycostoma pyrus, a marine gastropod from the Eocene epoch, recovered from the renowned Barton Beds at Barton-on-Sea, Hampshire. It offers collectors a striking example of molluscan life from around 40 million years ago.

Fossil and Geological Information:

  • Species: Sycostoma pyrus
  • Family: Melongenidae
  • Superfamily: Buccinoidea
  • Order: Neogastropoda
  • Geological Stage: Bartonian Stage, Middle to Late Eocene (approximately 41.2–37.8 million years ago)
  • Formation: Barton Beds (Upper Bracklesham Group)
  • Location: Barton-on-Sea, Hampshire, England, UK
  • Depositional Environment: Shallow, subtropical marine shelf with fine sands and silts—ideal for preserving invertebrate fossils
  • Notable Morphological Features:
  • Pyriform (pear-shaped) shell with a moderately tall spire
  • Robust body whorl and faint spiral ornamentation
  • Distinct aperture structure typical of marine carnivorous snails
  • Biozone: Consistent with the Barton Group invertebrate fossil biozones, often tied to zones containing Venericardia planicosta and other bivalves and gastropods
  • Scientific Recognition: First described and classified during early research on Hampshire Basin fossil faunas (original naming and revisions by various 19th-century naturalists including Edward Forbes and S.V. Wood)

Specimen Details:

  • Discovered by: UKGE team members Alister and Alison
  • Date of Discovery: 15 April 2023
  • Prepared by: Alison
  • Scale Reference: Scale cube = 1cm – refer to photo for exact measurements
  • Photographic Accuracy: The specimen you see is the exact fossil you will receive
  • Authenticity Guarantee: All of our fossils are 100% genuine and include a signed Certificate of Authenticity

About the Barton Beds:

The Barton Beds of the Hampshire Basin are internationally famous for yielding an abundant and well-preserved marine fauna from the Eocene period. These include molluscs, sharks’ teeth, bryozoans, and more—offering a window into Britain’s warm, tropical marine past.

This fossil is not only a valuable collector’s item but also a striking natural artefact perfect for educational use or display.

(Actual as seen)

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SKU: CF3051 Category:

Description

Authentic Sycostoma pyrus Fossil Gastropod – Eocene Period – Barton-on-Sea, Hampshire, UK

This beautifully preserved specimen is an authentic fossil of Sycostoma pyrus, a marine gastropod from the Eocene epoch, recovered from the renowned Barton Beds at Barton-on-Sea, Hampshire. It offers collectors a striking example of molluscan life from around 40 million years ago.

Fossil and Geological Information:

  • Species: Sycostoma pyrus
  • Family: Melongenidae
  • Superfamily: Buccinoidea
  • Order: Neogastropoda
  • Geological Stage: Bartonian Stage, Middle to Late Eocene (approximately 41.2–37.8 million years ago)
  • Formation: Barton Beds (Upper Bracklesham Group)
  • Location: Barton-on-Sea, Hampshire, England, UK
  • Depositional Environment: Shallow, subtropical marine shelf with fine sands and silts—ideal for preserving invertebrate fossils
  • Notable Morphological Features:
  • Pyriform (pear-shaped) shell with a moderately tall spire
  • Robust body whorl and faint spiral ornamentation
  • Distinct aperture structure typical of marine carnivorous snails
  • Biozone: Consistent with the Barton Group invertebrate fossil biozones, often tied to zones containing Venericardia planicosta and other bivalves and gastropods
  • Scientific Recognition: First described and classified during early research on Hampshire Basin fossil faunas (original naming and revisions by various 19th-century naturalists including Edward Forbes and S.V. Wood)

Specimen Details:

  • Discovered by: UKGE team members Alister and Alison
  • Date of Discovery: 15 April 2023
  • Prepared by: Alison
  • Scale Reference: Scale cube = 1cm – refer to photo for exact measurements
  • Photographic Accuracy: The specimen you see is the exact fossil you will receive
  • Authenticity Guarantee: All of our fossils are 100% genuine and include a signed Certificate of Authenticity

About the Barton Beds:

The Barton Beds of the Hampshire Basin are internationally famous for yielding an abundant and well-preserved marine fauna from the Eocene period. These include molluscs, sharks’ teeth, bryozoans, and more—offering a window into Britain’s warm, tropical marine past.

This fossil is not only a valuable collector’s item but also a striking natural artefact perfect for educational use or display.

Additional information

Era

Eocene
Origin

United Kingdom

Eocene Information

The Eocene Period (56–33.9 million years ago) was a time of warm global temperatures and the rapid evolution of mammals following the extinction of the dinosaurs. The climate was hot and humid, with lush rainforests covering much of the planet, even near the poles. Mammals diversified into new ecological roles, with early primates, whales (like Basilosaurus), large herbivores, and carnivores emerging. Birds and reptiles also thrived, and the first grasses began spreading, setting the stage for later grassland ecosystems. By the late Eocene, the Earth’s climate cooled significantly, leading to the formation of the first Antarctic ice sheets and the eventual transition to the drier, cooler Oligocene Period.

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