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Pleuromya costata Fossil Bivalve, Lower Pliensbachian Jurassic, Blockley UK Fossil | Genuine Certificate of Authenticity
Pleuromya costata Fossil Bivalve, Lower Pliensbachian Jurassic, Blockley UK Fossil | Genuine Certificate of Authenticity - Image 2

Pleuromya costata Fossil Bivalve, Lower Pliensbachian Jurassic, Blockley UK Fossil | Genuine Certificate of Authenticity

Original price was: £8.40.Current price is: £7.14.

Add a beautifully preserved example of ancient marine life to your fossil collection with this genuine Pleuromya costata fossil bivalve, originating from the Lower Pliensbachian stage of the Early Jurassic period, found in Blockley, United Kingdom. This species of extinct bivalve once thrived on the seafloor of Jurassic oceans that covered much of Europe over 185 million years ago.

Fossil Type: Bivalve Mollusc

Species: Pleuromya costata

Geological Period: Jurassic (~201 to 174 million years ago)

Geological Stage: Lower Pliensbachian (~190 to 183 million years ago)

Location: Blockley, Gloucestershire, UK

Scale Rule: Squares/Cube = 1cm (Refer to photo for full sizing)

Specimen: The specimen pictured is the exact item you will receive

Authenticity: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity

Geological and Paleontological Context

Pleuromya costata is an extinct genus of marine bivalves known for their long, elongated shells and distinctive ribbing (costae). These molluscs lived partially buried in soft seafloor sediments and were part of diverse marine ecosystems during the Early Jurassic.

  • Phylum: Mollusca
  • Class: Bivalvia
  • Order: Nuculanida
  • Superfamily: Nuculanoidea
  • Family: Pleuromyidae
  • Genus: Pleuromya
  • Species: costata
  • Geological Stage: Lower Pliensbachian (Early Jurassic)
  • Depositional Environment: Shallow marine shelf; soft, muddy seafloor rich in calcareous and silty sediments ideal for fossilisation
  • Morphological Features: Elongate, narrow shell with prominent radial ribs (costae); hinge line straight with slight curvature; likely adapted for semi-infaunal filter feeding
  • Biozone: Often associated with ammonite zones such as the Uptonia jamesoni and Prodactylioceras davoei zones, important in Lower Jurassic stratigraphy
  • Notable: Fossils from Blockley’s Lower Jurassic formations are widely used in UK geological education and contribute to international Jurassic biostratigraphy

Why This Fossil is Special

Pleuromya costata is not only a visually appealing fossil but also an excellent representative of bivalve evolution during the Early Jurassic. Its distinct shape and ribbed texture make it ideal for collectors, educators, and display.

Why Buy From Us?

  • 100% genuine fossil with Certificate of Authenticity
  • Exact item shown is the one you’ll receive
  • Ethically sourced from reputable UK fossil localities
  • Ideal for fossil enthusiasts, paleontology educators, and collectors of ancient marine life

Own a genuine piece of Jurassic seafloor with this beautifully preserved Pleuromya costata fossil bivalve from the Lower Pliensbachian strata of Blockley, UK—a shell frozen in time for over 185 million years.

(Actual as seen)

Only 1 left in stock

SKU: UF3385 Category:

Description

PLEUROMYA COSTATA FOSSIL BIVALVE

This Pleuromya costata fossil bivalve is identified as Lower Pliensbachian and Jurassic, with the specimen associated with Blockley, United Kingdom. It is a distinctive piece for fossil collectors, geology enthusiasts, palaeontology students and anyone interested in Jurassic marine life and the history recorded in fossilised shell material.

The product name identifies the specimen as Pleuromya costata, a fossil bivalve. The Lower Pliensbachian is a subdivision of the Jurassic Period, placing this fossil within the Early Jurassic portion of geological time. Fossil bivalves are important to palaeontological study because their preserved shells can provide evidence of ancient animal life, biological diversity and changing environments through deep time. As a display specimen, this fossil offers a tangible connection with Jurassic geology and the long-term preservation of marine invertebrate life.

GEOLOGICAL AND COLLECTOR INTEREST

The Jurassic is widely recognised as an important interval in Earth history, and Lower Pliensbachian fossils are valued for their connection to the Early Jurassic. A fossil identified as Pleuromya costata provides an opportunity to explore bivalve palaeontology, fossil identification and the use of geological age terminology in natural history collecting. The Blockley, United Kingdom association adds regional interest for collectors who enjoy British fossils and specimens connected with the geology of the United Kingdom.

This specimen is suitable for a fossil cabinet, geology display, educational collection, classroom handling under appropriate supervision or as a thoughtful gift for a collector. It can also serve as a practical starting point for research into Jurassic bivalves, fossil preservation and the scientific classification of extinct or fossil-record organisms. Please use the supplied identification as the defining product information when cataloguing or displaying the specimen.

SPECIMEN AND PHOTOGRAPHY

The photograph shows the actual specimen you will receive.

Full sizing is shown in the photographs. Please review the images carefully for the specimen’s presentation and scale before purchasing. The photographs are intended to provide a direct view of the actual fossil offered in this listing.

AUTHENTICITY

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

The included certificate wording provides accompanying authenticity documentation for the fossil specimen. This makes the piece especially suitable for collectors who value clear presentation and supporting documentation with their geological acquisitions.

DISPLAY AND GIFT USE

Pleuromya costata is a strong choice for anyone building a Jurassic fossil collection or seeking an unusual natural-history display piece. Its combination of named fossil identification, Lower Pliensbachian Jurassic age and Blockley, United Kingdom association gives it educational and collector appeal without requiring specialist display equipment. It may be displayed alongside other fossils, geological specimens, historical objects or educational materials relating to the Jurassic Period.

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