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全部拍賣 / Ancient Art / Natural group of Ammonites of the Genus Cleoniceras - Aioloceras Sp
Aioloceras Sp. - Early Cretaceous (145–100.5 million years ago) — Natural group of iridescent ammonites of the genus Cleoniceras Albian – Lower Cretaceous, Madagascar An elegant natural composition that encloses numerous specimens of the genus Cleoniceras, extinct cephalopods that lived about 110 million years ago. The shells, superbly preserved, show an extraordinary mother-of-pearl iridescence, with hues ranging from pink to green, from gold to purple, depending on the incidence of light. Each ammonite is arranged in a regular planispiral spiral, with chambers visible in the polished rear section, where the complex sutures stand out and tell the evolutionary refinement of this group. The block is completely natural, coming from a fossiliferous formation in the southwest region of Madagascar, one of the world’s best-known areas for the spectacular preservation of iridescent ammonites. The piece combines aesthetic value, chromatic rarity, and paleontological interest. Mounted in an autonomous position, it can be displayed in scientific collections, natural-history galleries, or as fossil decorative sculpture. Details: Species: Cleoniceras sp. Period: Lower Cretaceous (Albian, about 110 million years ago) Origin: Mahajanga Region, Madagascar Formation: Natural (not assembled) Characteristics: Ammonites with iridescent mother-of-pearl and a visible polished cross-section Conservation: Excellent, with authentic structure and colors not restored A fragment of prehistoric ocean that unites the primal beauty of nature with the elegance of fossil forms.
估價:$168.68
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