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Fossil Bivalve Pleuromya costata Middle Lias Lower Sinemurian Jurassic Blockley

Original price was: £4.20.Current price is: £3.36.

Rare Pleuromya costata Fossil Bivalve – Lower Sinemurian Stage, Jurassic Period – Blockley, United Kingdom

This listing features a rare Pleuromya costata fossil bivalve from the Lower Sinemurian stage of the Jurassic period, discovered in the Middle Lias Formation at Blockley, United Kingdom. This well-preserved specimen showcases the distinctive ribbed shell structure characteristic of the Pleuromya genus.

About Pleuromya costata:

Pleuromya costata is an extinct species of marine bivalve that inhabited shallow seas during the Jurassic period. Recognized for its elongated, ribbed shell and streamlined form, Pleuromya costata was adapted for life partially buried in soft seafloor sediments. As a filter feeder, it played a key role in the ancient marine ecosystem.

Geological Context:

  • Formation: Middle Lias
  • Age: Lower Sinemurian, Jurassic (~199 – 190 million years ago)
  • Location: Blockley, United Kingdom

The Middle Lias Formation is a renowned fossil-bearing deposit, known for its rich marine life, including ammonites, belemnites, gastropods, and bivalves like Pleuromya. The Lower Sinemurian stage marks a time when shallow seas flourished with diverse marine organisms, now preserved in sedimentary rock layers.

Fossil Details:

  • 100% Genuine Pleuromya costata Fossil Bivalve
  • Age: Lower Sinemurian, Jurassic (~199 – 190 million years ago)
  • Origin: Blockley, United Kingdom
  • Elongated Shell with Prominent Ribbing
  • Scale Rule Squares/Cube = 1cm (Please see photos for full sizing)
  • Comes with a Certificate of Authenticity
  • From the renowned Alice Purnell Collection, one of the world’s largest ammonite and marine fossil collections

Why This Specimen is Special:

  • Rare Jurassic Bivalve Fossil from the UK
  • Well-preserved ribbed shell structure
  • Ideal for Collectors, Museums, or Educational Displays
  • Carefully selected for its scientific and historical significance
  • A valuable addition to any fossil or natural history collection

This Pleuromya costata fossil bivalve offers a remarkable glimpse into Earth’s ancient marine ecosystems and is perfect for fossil enthusiasts, educators, and collectors.

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SKU: AF0986 Category:

Description

Fossil Bivalve Identification

This listing presents a fossil bivalve identified as Pleuromya costata. The specimen is associated with the Middle Lias and Lower Sinemurian of the Jurassic, providing an appealing combination of specific identification and geological context for fossil collectors, palaeontology enthusiasts and natural history displays.

The listed location is Blockley, United Kingdom. Blockley connects this fossil with the supplied British geological locality information and adds interest for collectors who enjoy specimens with a clear regional association. The fossil is also noted as being from the Alice Purnell Collection, giving it a documented collection connection.

Geological Context

The Lower Sinemurian belongs to the Jurassic Period and forms part of the Middle Lias sequence. Jurassic rocks are widely valued by collectors because they preserve an important record of marine and terrestrial life during a major interval of Earth history. A bivalve fossil from this setting can help represent the diversity of molluscan life recorded in Jurassic deposits.

Pleuromya costata is presented here as a named fossil bivalve, making this specimen suitable for anyone building a focused collection of Jurassic fossils, bivalves or British geological material. Its combination of genus and species identification, Middle Lias designation and Lower Sinemurian age information makes it more informative than an unidentified fossil display piece.

Collector and Display Appeal

This Pleuromya costata fossil is suited to personal fossil collections, educational displays, geology-themed interiors and gifts for enthusiasts interested in Jurassic palaeontology. It can be displayed as an example of a named fossil bivalve from the Middle Lias, or kept alongside other specimens arranged by geological period, locality or fossil group.

The specimen is supplied as part of the Alice Purnell Collection. This collection association may be of particular interest to buyers who value the recorded background of individual natural history specimens. The listed Blockley, United Kingdom connection further supports its appeal as a British geological collectible.

Authenticity and Photographs

This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.

The photograph shows the actual specimen you will receive.

Full sizing is shown in the photographs. Please review all photographs carefully for the specimen presentation and scale information before purchase. The images are provided to show the actual item associated with this listing rather than a stock or representative image.

Suitable Uses

Use this fossil bivalve as a distinctive addition to a Jurassic fossil collection, a teaching aid for discussing geological time, or a natural-history display focused on British specimens. The named identification Pleuromya costata and the supplied Middle Lias, Lower Sinemurian and Jurassic information make it a useful conversation piece for collectors who prefer specimens with geological details attached.

This listing combines fossil bivalve interest, Jurassic geology, Lower Sinemurian context, Middle Lias information and a Blockley, United Kingdom association in one collectible specimen from the Alice Purnell Collection.

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