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全部拍賣 / Ethnographic / Exclusive Fossil Slab with Cheiloceras Subpartitum and...
Early Devonian (419.2 – 393.3 million years ago) — Fossil slab with Cheiloceras subpartitum and Kalloclymenia subarmata. Provenance: Anti-Atlas, Morocco – Upper Devonian period Present numerous well-preserved specimens of Upper Devonian ammonoids, including Cheiloceras subpartitum and Kalloclymenia subarmata, two emblematic species of the era. The surface of the slab is studded with spiraled shells and visible septal chambers, with some tubular forms testifying to the complex evolution of these ancient cephalopods. The fossils stand out clearly from the sedimentary rock matrix, with a dark, deep patina that enhances their morphological details. Characteristics: Authentic and natural fossils, not restored High-density fossil assemblage A fragment of geological history, a portal to a vanished Devonian ocean, coming to life through the sinuously fascinating forms of its fossil inhabitants
估價:$560.22
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估價:
$560.22
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