タンナトセノーシス - 動物化石 - Cleoniceras sp. & others - 17 cm - 16 cm
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A natural thanatocenosis ammonite assemblage from Madagascar, Lower Cretaceous, with Cleoniceras sp. & others, polished and weighing 4.625 kg, 17 × 16 × 16.5 cm, original/official specimen.
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Description from the seller
Large Ammonite Assemblage – Polished Thanatocenosis – Cretaceous, Madagascar
A spectacular Cretaceous ammonite assemblage preserving numerous ammonites of different sizes together within a single natural matrix.
The specimen forms a dense and highly sculptural composition, with overlapping shells emerging from different levels of the matrix. Several ammonites have been carefully polished, revealing intricate suture patterns, internal mineralization and warm tones ranging from caramel and amber to brown, cream and grey.
Particularly attractive are the specimens that retain areas of natural iridescence. Under direct light, some shells display flashes of green, pink, gold and violet, creating a striking contrast with the darker polished ammonites.
The assemblage preserves a wide variety of forms and orientations, including large prominent ammonites, smaller partially exposed individuals and more natural sections still embedded in the surrounding matrix. This gives the piece considerable depth and makes it interesting to examine from every side.
The preparation has been carried out to emphasize the fossils while retaining the overall structure of the original accumulation. The result is a highly decorative natural composition that combines paleontological interest with strong visual impact.
This type of association is often described as a thanatocenosis, representing an accumulation of organisms preserved together within the same depositional context.
A substantial and exceptional display specimen, ideal for an important fossil collection, natural history interior or cabinet of curiosities.
Age: Cretaceous
Origin: Madagascar
Seller's Story
Shipping Restrictions and Right to Cancel the Sale
We reserve the right to cancel a sale if the purchased item cannot be legally exported, imported, or shipped to the destination country. This includes, but is not limited to, items subject to regulatory restrictions (such as materials protected under CITES), customs limitations, local prohibitions, or logistical constraints related to the weight, size, or nature of the parcel when carriers do not accept shipments to specific geographic areas.
It is the buyer’s responsibility to verify any applicable restrictions in their country before placing a bid. Should shipping prove impossible for legal or operational reasons beyond our control, the order will be cancelled and any payment made will be refunded in accordance with the platform’s procedures.
About Latiaxis S.r.l.
Latiaxis was founded in Italy by Bruno Briano and family, combining over 40 years of passion and expertise in natural and ethnographic science collections. The diverse offerings include decorative shells, natural stones, museum-grade fossils, taxidermy, and tropical corals to serve a wide audience, from museums and private collectors to enthusiasts and interior designers.
Our services extend beyond sales, providing consulting, evaluation, and tailored delivery, all while adhering to international trade laws for endangered species. We are fully licensed and authorized to source and offer all the specimens in our collection and for protected species, we strictly comply with the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). CITES is an international agreement between governments, designed to ensure that trade in specimens of wild animals and plants does not threaten their survival. By adhering to these stringent regulations, especially within European countries, we demonstrate our commitment to sustainability and ethical practices, ensuring the responsible sourcing and sale of all items. This dedication provides our clients with the assurance that they are acquiring specimens through legal, environmentally conscious, and trustworthy channels.
Large Ammonite Assemblage – Polished Thanatocenosis – Cretaceous, Madagascar
A spectacular Cretaceous ammonite assemblage preserving numerous ammonites of different sizes together within a single natural matrix.
The specimen forms a dense and highly sculptural composition, with overlapping shells emerging from different levels of the matrix. Several ammonites have been carefully polished, revealing intricate suture patterns, internal mineralization and warm tones ranging from caramel and amber to brown, cream and grey.
Particularly attractive are the specimens that retain areas of natural iridescence. Under direct light, some shells display flashes of green, pink, gold and violet, creating a striking contrast with the darker polished ammonites.
The assemblage preserves a wide variety of forms and orientations, including large prominent ammonites, smaller partially exposed individuals and more natural sections still embedded in the surrounding matrix. This gives the piece considerable depth and makes it interesting to examine from every side.
The preparation has been carried out to emphasize the fossils while retaining the overall structure of the original accumulation. The result is a highly decorative natural composition that combines paleontological interest with strong visual impact.
This type of association is often described as a thanatocenosis, representing an accumulation of organisms preserved together within the same depositional context.
A substantial and exceptional display specimen, ideal for an important fossil collection, natural history interior or cabinet of curiosities.
Age: Cretaceous
Origin: Madagascar
Seller's Story
Shipping Restrictions and Right to Cancel the Sale
We reserve the right to cancel a sale if the purchased item cannot be legally exported, imported, or shipped to the destination country. This includes, but is not limited to, items subject to regulatory restrictions (such as materials protected under CITES), customs limitations, local prohibitions, or logistical constraints related to the weight, size, or nature of the parcel when carriers do not accept shipments to specific geographic areas.
It is the buyer’s responsibility to verify any applicable restrictions in their country before placing a bid. Should shipping prove impossible for legal or operational reasons beyond our control, the order will be cancelled and any payment made will be refunded in accordance with the platform’s procedures.
About Latiaxis S.r.l.
Latiaxis was founded in Italy by Bruno Briano and family, combining over 40 years of passion and expertise in natural and ethnographic science collections. The diverse offerings include decorative shells, natural stones, museum-grade fossils, taxidermy, and tropical corals to serve a wide audience, from museums and private collectors to enthusiasts and interior designers.
Our services extend beyond sales, providing consulting, evaluation, and tailored delivery, all while adhering to international trade laws for endangered species. We are fully licensed and authorized to source and offer all the specimens in our collection and for protected species, we strictly comply with the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). CITES is an international agreement between governments, designed to ensure that trade in specimens of wild animals and plants does not threaten their survival. By adhering to these stringent regulations, especially within European countries, we demonstrate our commitment to sustainability and ethical practices, ensuring the responsible sourcing and sale of all items. This dedication provides our clients with the assurance that they are acquiring specimens through legal, environmentally conscious, and trustworthy channels.
Details
標本
Thanatocenosis
学名
Cleoniceras sp. & others
原産国
Madagascar
地質年代
Cretaceous, Lower (145 - 100.5 million years)
コンディション
Natural
重量
4.63 kg
高さ
17 cm
幅
16 cm
奥行き
16.5 cm
Authenticity
Original/official
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