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• Geological Age: Jurassic period, Kellaways Bed formation, 165 to 160 million years ago.
• Location: Gloucestershire, Yorkshire, UK.
• Family: Bivalve
• Species: Gryphaea bilobata
Gryphaea bilobata fossil specimens exhibit a wider shape than earlier gryphaea species, these samples are of Jurassic age, found in the Kellaways bed formation in Yorkshire, making them over 160 million years old. They are suitable for educational use and for collectors, as they show evolutionary changes, as well as excellent morphological details such as growth lines on the surface of their bronze coloured shells. Measuring approximately 7 cm in size, these samples will come supplied in a card tray with a label.
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During sale periods and promotions the delivery time may be longer than normal.
Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
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Email: contact@mydomain.com
Phone: +1 (23) 456 789
Gryphaea bilobata is an extinct species of bivalve belonging the gryphaea group, it is placed later on in the species evolutionary timeline, with early fossil specimens exhibiting a small size shell and oblong shape, where as this particular sub-species appears to be wider and flatter with a more circular shape, indicating a change in shell shape and size over time, potentially due to a change in feeding habits. Like all bivalves, gryphaea bilobatas shells were made up of two parts which were both different sizes, the bottom being smaller than the top. This can be observed in our high quality specimens which also exhibit other morphological details such as the shells hinges and growth lines, the samples also have a dull bronze colouration. approximately 7 cm in length and 5 cm wide, these excellent quality fossils are certainly ideal for serious collectors of marine and mollusc fauna as well as for educational use, to display the changing shape of fauna over geological time. Specimens will come supplied in a card tray with an information label.
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A sample of three Gryphaea Arcuata that were found joined together. An ideal specimen for teaching use.
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• Geological Age: Jurassic period. lower Lias, Ibex zone, 201 to 145 million years old.
• Location: Blockley Quarry, Moreton, Gloucestershire, UK.
• Family: Bivalve
• Species: Eopecten inequivalvis
Eopecten inequivalvis bivalve fossil specimens found in Blockley Quarry, Moreton, Gloucestershire, UK, these Jurassic period fossils exhibit excellent morphological details, clear, grey shells with hinges and splits visible as well as deep defined ribbing. Suitable for older children, collectors and educational use, these samples are around 50 mm in size and come supplied in a card tray with a label.
• Geological Age: Jurassic period, Lower Lias, 200 to 174 million years ago.
• Location: Hook Cliff, Gloucestershire, Yorkshire, UK.
• Family: Bivalve
• Species: Gryphaea arcuata
Gryphea Arcuata are a common bivalve fossil and as such, these specimens are often used for educational purposes. These study grade samples come from Hook Cliff in Yorkshire and are roughly 4 to 5 cm in length, found in Jurassic strata, they are 200 to 174 million years old and are of a lower quality than our A Grade material, thus making them more cost effective for schools and educational bodies to purchase, showing such morphological features as growth lines and hinges, the specimens are between 4 to 5 cm in length and come supplied in a card tray with a label.
• Geological Age: Pleistocene period, 2,588,000 to 11,700 years ago.
• Location: Red Crag, Walton on Naze, UK.
• Family: Bivalve
• Species: Glycymeris glycymeris
Glycymeris Glycymeris fossil bivalve specimens, these shells, although tarnished yellow still show growth lines, hinges and more, they were excavated from the Red Crag formation in Walton on Naze, UK and are excellent Pleistocene fossil samples for those with an interest in more recent fauna. Shells are approximately 4 to 5 cm in size and come supplied in a card tray with a label.
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• Geological Age: Jurassic period, Lower Lias, 200 to 174 million years ago.
• Location: Hook Cliff, Gloucestershire, Yorkshire, UK.
• Family: Bivalve
• Species: Gryphaea arcuata
Gryphea Arcuata are a common bivalve fossil and as such, these specimens are often used for educational purposes. These samples come from Hook Cliff in Yorkshire and are roughly 6 cm in length, found in Jurassic strata, they are 200 to 174 million years old and are of high quality, showing such morphological features as growth lines, hinges and more. A dull grey colour, they are suitable for collectors as well of fine quality specimens.
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A highly polished Bivalve specimen which are approximately 6cm in size, both valves are highly polished highlighting the growth rings.
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Fossil name: Panopea Gurgitis
Fossil type: Bivalve
Geological Age: Cretacious period, Lower greensand
Fossil Location: Atherfield, Isle of White
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Fossil name: Protocardia Dissimilis
Fossil type: Bivalve
Geological Age: Jurassic period, Portlandian Series
Fossil Location: Tisbury, Wiltshire, England
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• Geological Age: Jurassic period, Lower Lias, Ibex zone, 200 to 145 million years ago.
• Location: Blockley Quarry, Near, Moreton, Gloucestershire, UK
• Family: Bivalve
• Species: Mactromya Cardioides
Mactroymya bivalve fossil specimens dated from the Lower Lias of the Jurassic period over 200 million years old, these B grade samples from Blockley quarry in Gloucestershire are lower quality, still showing morphologicla features, but will exhibit broken parts and discolouration, available in two sizes, supplied in a tray with a label.
Fossil name: Pliacatula spinosa
Fossil type: Bivalve
Geological Age: Jurassic period, Lower Lias, Ibex zone
Fossil Location: Gloucestershire, England
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