RARE Gagaticeras gagateanum Ammonite Fossil Sinemurian Jurassic Redcar Yorkshire UK

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RARE Gagaticeras gagateanum Ammonite Fossil Sinemurian Jurassic Redcar Yorkshire UK

RARE Gagaticeras gagateanum Ammonite Fossil Sinemurian Jurassic Redcar Yorkshire Collectible with COA

Long Description

Rare Gagaticeras gagateanum Ammonite Fossil from Redcar, Yorkshire

This listing presents a rare and scientifically significant Gagaticeras gagateanum ammonite fossil, collected from the famous Red Howles, Marske, Redcar, Yorkshire, United Kingdom. Belonging to the Sinemurian stage of the Early Jurassic period (approx. 199–190 million years ago), this fossilised ammonite is a superb representation of Britain’s Jurassic marine life. The photographs show the exact specimen you will receive, accompanied by a 1 cm scale cube for reference. Every fossil is supplied with a Certificate of Authenticity, guaranteeing that this is a 100% genuine piece.

Geological Context

• Geological Period: Jurassic
• Stage: Sinemurian (approx. 199–190 million years ago)
• Provenance: Red Howles, Marske, near Redcar, Yorkshire, UK
• Depositional Environment: Marine sediments within the Cleveland Basin

During the Sinemurian, the Redcar region lay beneath a shallow, warm sea, rich in marine biodiversity. Fine-grained sediments of the Cleveland Basin preserved a remarkable range of ammonites, making this location one of the most important Jurassic fossil sites in the world. Fossils such as Gagaticeras gagateanum help palaeontologists date and interpret the complex stratigraphy of the Early Jurassic.

Taxonomy and Classification

• Kingdom: Animalia
• Phylum: Mollusca
• Class: Cephalopoda
• Order: Ammonitida
• Superfamily: Eoderoceratoidea
• Family: Eoderoceratidae
• Genus: Gagaticeras
• Species: Gagaticeras gagateanum

This ammonite is a key representative of the genus Gagaticeras, which is notable for its importance in Sinemurian biostratigraphy and its distinctive morphological traits.

Morphological Features

This fossilised ammonite exhibits the diagnostic characteristics of Gagaticeras gagateanum, including:

• A planispiral, moderately involute shell.
• Prominent ribs extending across the flanks and continuing onto the venter.
• Whorls that broaden progressively, creating a distinctive ribbed structure.
• Evidence of growth lines showing its progressive development during life.

These features not only identify the species but also demonstrate how these ammonites adapted to their marine environment. Their hydrodynamic shell design allowed for active swimming, and their coiling structure provided buoyancy control in the Sinemurian seas.

Scientific and Collecting Significance

Gagaticeras gagateanum is considered an index fossil, making it invaluable in correlating Sinemurian-aged rock sequences across Europe. The restricted time range of this ammonite species means that its presence in a rock layer provides precise dating information, a key tool in Jurassic biostratigraphy.

For collectors, this fossil is particularly desirable due to:

• Its rarity in well-preserved condition.
• Its provenance from the famous Redcar coastal sections, world-renowned for Jurassic fossils.
• Its importance as part of the evolutionary story of ammonites in the Early Jurassic.

This ammonite is more than a striking display piece; it is a tangible record of Earth’s history, capturing a moment nearly 200 million years ago when cephalopods dominated the seas.

Key Details

• Fossil Type: Ammonite (Gagaticeras gagateanum)
• Age: Sinemurian, Early Jurassic (~199–190 million years old)
• Location: Red Howles, Marske, Redcar, Yorkshire, UK
• Features: Ribbed shell, planispiral form, excellent preservation
• Authenticity: Guaranteed genuine, supplied with Certificate of Authenticity

Authenticity and Presentation

All of our fossils are 100% genuine specimens, carefully selected for both scientific and aesthetic value. This ammonite fossil has been preserved with great detail, allowing its diagnostic ribbing and coiling to be clearly visible. The accompanying Certificate of Authenticity provides full assurance of its provenance and integrity.

This rare Gagaticeras gagateanum ammonite fossil from Redcar, Yorkshire is an exceptional specimen for serious fossil collectors, geology enthusiasts, and anyone with a fascination for the natural history of Britain’s Jurassic seas. It represents both a piece of evolutionary heritage and a scientifically valuable fossil that connects us directly to the deep past of our planet.