6″ Glaucolithes glaucolithus Fossil Portland Ammonite, Tithonian, Cretaceous – Isle of Portland, Dorset, UK – Genuine with COA

Description

6″ Glaucolithes glaucolithus Fossil Portland Ammonite – Tithonian, Cretaceous – Isle of Portland, Dorset, UK

100% Genuine Fossil with Certificate of Authenticity

Presenting this 6″ Glaucolithes glaucolithus fossil ammonite, discovered on the Isle of Portland, Dorset, United Kingdom. This impressive specimen dates from the Tithonian stage of the Cretaceous Period (~150 million years ago). The Glaucolithes glaucolithus ammonite is well known for its distinctive spiral shape and robust shell structure, making it a prized fossil for collectors.

Geological and Fossil Information:

• Fossil Type: Glaucolithes glaucolithus Fossil Portland Ammonite
• Species: Glaucolithes glaucolithus
• Morphology Features: The Glaucolithes glaucolithus ammonite features a distinctive, tightly coiled spiral and ribbed shell, which is characteristic of ammonites from the Tithonian stage. The growth lines and preservation of the shell make this specimen an excellent example of Cretaceous marine life.
• Geological Stage: Tithonian, Cretaceous (~150 million years ago)
• Depositional Environment: This fossil was preserved in the shallow marine environments that were abundant during the Tithonian period. The Isle of Portland is well known for its Cretaceous deposits, making this specimen a key example of ammonites that once inhabited these seas.
• Biozone: The fossil belongs to the Tithonian biozone, which is recognized for the diverse and abundant ammonite species present during the Cretaceous.
• Family: Ammonitidae
• Super Family: Ammonoidea
• Order: Ammonitida
• Formally Identified By: This fossil has been formally identified based on its distinct spiral shape, ribbed features, and geological context from the Isle of Portland, ensuring its authenticity.

Size and Visuals:

The fossil measures approximately 6 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo shows the actual specimen you will receive, carefully chosen to highlight its exceptional preservation and intricate details.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring the provenance and authenticity of the fossil. This Glaucolithes glaucolithus ammonite from the Tithonian stage of the Cretaceous Period is a rare and well-preserved example of Cretaceous marine life, making it an excellent addition to any fossil collection.