Ammonite - 貝殻化石 - Douvilliceras sp. - 27 cm - 21.5 cm

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Manuel Quiring
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Estimate € 850 - € 1,000
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Natural Douvilliceras sp. ammonite from the Lower Cretaceous of Madagascar, with visible pyrite mineralisation.

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Description from the seller

Dowilliceras Ammonite – Cretaceous – Madagascar (with Pyrite Zone)

This impressive ammonite, attributed to the genus Dowilliceras, originates from the Cretaceous deposits of Madagascar.
この印象的なアンモナイトは Dowilliceras 属に帰属するとされ、マダガスカルの白亜系層から出土したものです。

The specimen preserves the classic coiled form and pronounced ribbing typical of this group, with well-defined ridges radiating outward from the center and giving the fossil a strong sculptural presence.
標本はこのグループに典型的な巻曲形と明瞭な肋を保ち、中心から外向きに放射状に走るはっきりとした脊が、化石に強い立体感を与えています。

The surface displays a natural palette of soft greys, creamy tones, and subtle greenish hues created through long-term mineralization.
表面は長期の鉱物化によって生じた、柔らかなグレー、クリーム色、そしてほのかな緑がかった色調の自然なパレットを示します。

In one area, the fossil features visible pyrite mineralization, adding a striking metallic contrast and enhancing both its visual appeal and geological interest.
一部には黄鉄鉱の鉱化が見られ、印象的な金属的対比を加え、視覚的魅力と地質学的関心の双方を高めています。

The internal whorls and chamber structure are clearly expressed, making this specimen not only an attractive display piece but also a valuable example of ancient marine life.
内部の螺層と室構造は明確に表現されており、この標本は魅力的な展示品であるだけでなく、古代海洋生物の貴重な例としても価値があります。

Ammonites such as this were cephalopods related to modern squids and octopuses, and their fossils are widely used in geology as important index fossils for dating rock layers.
このようなアンモナイトは現代のイカやタコと同じく頭足類に属し、化石は地質学において岩層年代を測定する重要な指標化石として広く利用されています。

The metal display stand shown in the photos is included, allowing the specimen to be presented securely and elegantly.
写真に写されている金属製ディスプレイスタンドが同梱されており、標本を安全かつ優雅に展示できます。

A visually captivating and scientifically meaningful ammonite, ideal for collectors, educational collections, or refined natural history displays.
視覚的に魅力的で科学的にも意味のあるアンモナイトで、コレクターや教育コレクション、または洗練された自然史展示に最適です。

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.

Dowilliceras Ammonite – Cretaceous – Madagascar (with Pyrite Zone)

This impressive ammonite, attributed to the genus Dowilliceras, originates from the Cretaceous deposits of Madagascar.
この印象的なアンモナイトは Dowilliceras 属に帰属するとされ、マダガスカルの白亜系層から出土したものです。

The specimen preserves the classic coiled form and pronounced ribbing typical of this group, with well-defined ridges radiating outward from the center and giving the fossil a strong sculptural presence.
標本はこのグループに典型的な巻曲形と明瞭な肋を保ち、中心から外向きに放射状に走るはっきりとした脊が、化石に強い立体感を与えています。

The surface displays a natural palette of soft greys, creamy tones, and subtle greenish hues created through long-term mineralization.
表面は長期の鉱物化によって生じた、柔らかなグレー、クリーム色、そしてほのかな緑がかった色調の自然なパレットを示します。

In one area, the fossil features visible pyrite mineralization, adding a striking metallic contrast and enhancing both its visual appeal and geological interest.
一部には黄鉄鉱の鉱化が見られ、印象的な金属的対比を加え、視覚的魅力と地質学的関心の双方を高めています。

The internal whorls and chamber structure are clearly expressed, making this specimen not only an attractive display piece but also a valuable example of ancient marine life.
内部の螺層と室構造は明確に表現されており、この標本は魅力的な展示品であるだけでなく、古代海洋生物の貴重な例としても価値があります。

Ammonites such as this were cephalopods related to modern squids and octopuses, and their fossils are widely used in geology as important index fossils for dating rock layers.
このようなアンモナイトは現代のイカやタコと同じく頭足類に属し、化石は地質学において岩層年代を測定する重要な指標化石として広く利用されています。

The metal display stand shown in the photos is included, allowing the specimen to be presented securely and elegantly.
写真に写されている金属製ディスプレイスタンドが同梱されており、標本を安全かつ優雅に展示できます。

A visually captivating and scientifically meaningful ammonite, ideal for collectors, educational collections, or refined natural history displays.
視覚的に魅力的で科学的にも意味のあるアンモナイトで、コレクターや教育コレクション、または洗練された自然史展示に最適です。

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
Ammonite
学名
Douvilliceras sp.
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
7125 g
高さ
27 cm
幅
21.5 cm
奥行き
13 cm
Authenticity
Original/official
イタリアVerified
12004
Objects sold
99.75%
protop

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