Fossil Chalk Ammonite – Calycoceras (Newboldiceras) planecostatum, Cenomanian, Cretaceous: Glynde, United Kingdom – Genuine with COA

Description

Fossil Chalk Ammonite – Calycoceras (Newboldiceras) planecostatum

Geological Formation: Chalk Formation

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

Location: Glynde, United Kingdom

Certificate of Authenticity Included

Scale Rule Squares / Cube = 1cm

Full sizing details in the photo

This Calycoceras (Newboldiceras) planecostatum chalk ammonite fossil from Glynde, United Kingdom, is a beautifully preserved example from the Cenomanian of the Cretaceous period. The Calycoceras genus is recognized for its distinctive shell morphology, and this specimen showcases the Newboldiceras subgroup known for its unique characteristics. Fossils like this one offer a glimpse into the marine ecosystems of the Cretaceous period.

Species and Morphology Information:

• Species: Calycoceras (Newboldiceras) planecostatum
• Geological Age: Cenomanian, Cretaceous period (~100 to 94 million years ago)
• Depositional Environment: The chalk deposits of Glynde were formed in a shallow marine environment during the Cretaceous period, which created ideal conditions for the preservation of ammonites and other marine species.
• Morphology Features: The Calycoceras planecostatum ammonite is easily recognizable by its distinctive shell shape, exhibiting smooth and slightly ribbed features, with a relatively low, rounded whorl and a small umbilicus.
• Notable Features: This specimen stands out due to its well-preserved shell structure, offering insight into the environmental conditions that contributed to its formation during the Cretaceous period.
• Family: Calycoceratidae
• Superfamily: Ammonoidea
• Order: Ammonitida
• Biozone: The Cenomanian biozone is characterized by the presence of ammonites such as Calycoceras, which were abundant and diverse during the Cretaceous period.
• Depositional Environment: The ammonite fossil was preserved in the chalk deposits of Glynde, a site renowned for its marine deposits from the Cretaceous period. These conditions allowed for excellent preservation of marine life, including ammonoid fossils.

Size and Visuals:

This Calycoceras (Newboldiceras) planecostatum 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 (Newboldiceras) planecostatum chalk ammonite fossil is 100% genuine and comes with a Certificate of Authenticity. The certificate verifies that this specimen was sourced from Glynde, 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 Glynde, 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.