Fossil Chalk Ammonite – Calycoceras spinosum, Cenomanian, Cretaceous: Southerham, United Kingdom – Genuine with Certificate of Authenticity

Description

Fossil Chalk Ammonite – Calycoceras spinosum

Geological Formation: Chalk Formation

Geological Period: Cenomanian, Cretaceous (~100 to 94 million years ago)

Location: Southerham, United Kingdom

Certificate of Authenticity Included

Scale Rule Squares / Cube = 1cm

Full sizing details in the photo

This Calycoceras spinosum chalk ammonite fossil from Southerham, United Kingdom, is a beautifully preserved example from the Cenomanian of the Cretaceous period. The Calycoceras spinosum species is recognized for its distinctive spiny shell and unique morphology. The Calycoceras genus was abundant during the Cretaceous period, and specimens like this one provide fascinating insight into the marine life of that time.

Species and Morphology Information:

• Species: Calycoceras spinosum
• Geological Age: Cenomanian, Cretaceous period (~100 to 94 million years ago)
• Depositional Environment: The chalk deposits of Southerham were formed in a shallow marine environment during the Cretaceous period, providing ideal conditions for the preservation of ammonites and other marine species.
• Morphology Features: The Calycoceras spinosum ammonite is easily identifiable by its ribbed and spiny shell with prominent spines along the outer whorls. These unique features set it apart from other Cretaceous ammonites, making it a striking addition to any collection.
• Notable Features: This specimen is particularly notable for its distinctive spiny ribbing, which gives the ammonite a fascinating texture and appearance.
• Family: Calycoceratidae
• Superfamily: Ammonoidea
• Order: Ammonitida
• Biozone: The Cenomanian biozone is characterized by ammonites such as Calycoceras, which played a key role in the marine ecosystems of the time.
• Depositional Environment: The ammonite fossil was preserved in the chalk deposits of Southerham, an area known for its rich marine deposits from the Cretaceous period. These conditions allowed for excellent preservation of Cretaceous marine life, including ammonoids.

Size and Visuals:

This Calycoceras spinosum ammonite fossil measures approximately XX inches (as shown in the photos). The scale rule in the image represents 1cm, and full-size details of the specimen are provided in the photos.

Authenticity and Certification:

This Calycoceras spinosum chalk ammonite fossil is 100% genuine and comes with a Certificate of Authenticity. The certificate verifies that this specimen was sourced from Southerham, United Kingdom, and dates back to the Cenomanian of the Cretaceous period.

Why Buy This Fossil:

• Genuine Fossil: Comes with a Certificate of Authenticity confirming its Cretaceous age and UK origin.
• Rare and Collectible: This ammonite fossil is a well-preserved specimen from the Cenomanian Cretaceous period of Southerham, UK.
• Perfect for Display: This fossil ammonite is an excellent display piece for any fossil collection, museum, or natural history collection.
• Educational Value: Provides valuable insight into Cretaceous marine life, ammonoid morphology, and the paleogeography of the period.

Note: The photo shown is of the actual specimen you will receive. The scale cube in the image represents 1cm, and full-size details are provided through the photos.