Description
Rare Cleoniceras neosaynella Ammonite Fossil
This listing presents a rare Cleoniceras neosaynella ammonite fossil, dating to the Lower Albian Stage of the Cretaceous period, collected in Morocco. This striking specimen displays the characteristic ribbing and shell form of the genus Cleoniceras, making it both scientifically significant and visually appealing. The photographs show the exact fossil you will receive, with a 1 cm scale cube included for reference. As with all our items, this is a 100% genuine fossil specimen, supplied with a Certificate of Authenticity.
Geological Age and Context
The Albian Stage (approximately 113–100.5 million years ago) is the final stage of the Early Cretaceous. It was a period of warm climates, rising sea levels, and widespread shallow marine environments, all of which supported a diverse range of marine invertebrates. The Lower Albian deposits of Morocco are particularly rich in ammonites, with limestones and marls preserving exquisitely detailed specimens. These deposits are part of the broader Tethyan domain, linking North Africa to marine ecosystems across Europe and Asia. Ammonites from this region, such as Cleoniceras neosaynella, are highly valued for their preservation and contribution to global biostratigraphic frameworks.
Taxonomy and Classification
Cleoniceras neosaynella belongs to the genus Cleoniceras, within the family Hoplitidae, superfamily Hoplitaceae, and order Ammonitida. The genus is distinguished by its strong ribbing and distinctive shell morphology, which are diagnostic for identification and stratigraphic correlation. As part of the Hoplitidae, these ammonites are important index fossils for the Lower Albian, allowing paleontologists to subdivide and correlate Cretaceous marine strata worldwide. The species neosaynella holds particular significance due to its well-documented stratigraphic occurrence and clear morphological features.
Morphological Features
The shell of Cleoniceras neosaynella is moderately involute, with later whorls partly concealing earlier ones. Its ornamentation is dominated by strong, bifurcating ribs that radiate across the flanks and extend over the venter in a consistent and symmetrical pattern. These ribs often exhibit branching, giving the shell a sculptural, forked appearance. The venter is typically broad and rounded, allowing for smooth continuation of the ribbing. These features not only provide a striking aesthetic but also make the fossil highly diagnostic for researchers. The specimen offered here preserves these traits with remarkable clarity, enhancing both its display and scientific value.
Scientific and Collector Importance
Ammonites like Cleoniceras neosaynella are crucial in biostratigraphy, serving as key index fossils for the Lower Albian. Their restricted stratigraphic range and distinctive morphology enable precise dating and correlation of Cretaceous deposits. For collectors, this fossil represents a fine opportunity to acquire an ammonite with strong provenance from a classic North African locality. Its rarity, diagnostic features, and excellent preservation make it an attractive specimen for both academic collections and private displays.
Provenance and Authenticity
This ammonite fossil was collected in Morocco, a region celebrated for its rich Cretaceous marine deposits. Each specimen we supply is carefully selected for its preservation, authenticity, and provenance. All fossils are accompanied by a Certificate of Authenticity, ensuring confidence in their genuineness. Secure, professional packaging guarantees that your specimen arrives safely and in excellent condition.
This is a rare Cleoniceras neosaynella ammonite fossil from the Lower Albian of Morocco. With its distinctive ribbing, excellent preservation, and scientific significance, it is an outstanding addition to any ammonite, Cretaceous fossil, or natural history collection.





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