Rare Jurassic Perisphinctes Ammonite Cluster - Natural...

atural grouping of Well-defined Ammonite Shells — A natural group of ammonites of the genus Perisphinctes, beautifully preserved — This extraordinary specimen presents a natural aggregation of fossil ammonites of the genus Perisphinctes, dating to the Jurassic period. The piece is characterized by a complex arrangement of spirally coiled shells, some of considerable size and others smaller, all beautifully preserved in a clear and well-defined matrix. The surface shows exceptional morphological details, with radial ridges that precisely delineate each turn of the shells, testimony to ancient marine life. Perisphinctes ammonites were marine cephalopods widely distributed during the Jurassic, characterized by a planispiral shell (coiled on a single plane) and a complex ornamentation. These predators swam agilely in prehistoric seas, using their shells as a protective shield. Their fossilization is a geological event that allows us to study the evolution of species and the marine environment from millions of years ago. This particular grouping is a fairly rare event, where multiple individuals have been fossilized together, offering a unique glimpse into an ancient ecosystem. Coming from Madagascar, an area renowned for its exceptional fossil finds, this piece is a magnificent example of how nature and time can create geological works of art. The natural coloration, predominantly in beige and cream tones, highlights the elegant curves and fine details of the shells, making it a highly impactful visual element. Each ammonite shows the characteristic growth pattern, with spirals expanding and detailed striations, revealing the complex internal structure that once housed the living organism. Ideal for museums, private collections, or as a high-value decorative element in an elegant setting, this aggregate of Perisphinctes ammonites represents a cultural and scientific investment. It offers not only intrinsic beauty but also a tangible connection with the deep history of the Earth and its extinct wonders. Its dramatic presence makes it a focal point in any display, evoking a sense of wonder for paleontology and the ancient past of our planet. Conditions: The specimen is in good preservation, with clearly visible details and without significant alterations. Minor imperfections or color variations are to be considered part of its natural formation and do not compromise its aesthetic or scientific value. Name: Aggregate of Perisphinctes Ammonites Classification: Cephalopoda, Ammonoidea, Perisphinctidae Species: Perisphinctes sp. Geological period: Jurassic Origin: Madagascar

Schätzpreis:€170

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