Sullivan Halipré

化石拍卖（收藏家内饰）

美丽的板块，展出来自摩洛哥的多枚 Orthoceras 标本。\n这些古老的海洋生物是地球上最早出现的生命形态之一。\n在西北撒哈拉发现。\n\nOrthoceras 是已灭绝的头足类软体动物，属于一个早已消失的群体。\n这些海洋生物在数亿年前的海洋中生活，主要出现在奥陶纪和志留纪时期。\n它们的名字在希腊语中的意思是“直线的角”，指其壳体的独特拉长圆锥形。\n壳被分隔成若干腔室，由隔膜分隔，并通过中央的导管相连。\nOrthoceras 壳是它们最具代表性的特征。\n它由文石组成，这是一种现代软体动物壳中也存在的矿物。\n随着时间的推移，经过沉积、矿化等地质过程，这些壳逐渐化石化，形成了我们今天欣赏的标本。\n\nOrthoceras 化石是研究古代海洋生物的重要证据。\n对它们的研究可帮助科学家重建史前生态系统、理解物种进化，并洞察塑造地球历史的重大变迁。\n\n-- 含金属展示架

Bellissimo piastra con diversi esemplari di Beautiful slab featuring multiple Orthoceras specimens from Morocco. These ancient marine animals were among the earliest life forms to inhabit the planet. Discovered in the northwestern Sahara.
Orthoceras are extinct cephalopod mollusks belonging to a long-lost group. These marine creatures lived in the oceans hundreds of millions of years ago, primarily during the Ordovician and Silurian periods. Their name, meaning “straight horn” in Greek, refers to the distinctive elongated, conical shape of their shells. The shell was divided into chambers separated by septa and connected by a central siphuncle.
The Orthoceras shell is their most characteristic feature. It was composed of aragonite, a mineral also found in the shells of many modern mollusks. Over time, through geological processes such as sedimentation and mineralization, these shells fossilized, forming the specimens we admire today.
Orthoceras fossils are valuable witnesses to ancient marine life. Their study allows scientists to reconstruct prehistoric ecosystems, understand species evolution, and gain insight into the major changes that have shaped Earth’s history.

-- metal display stand included

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Orthoceras - 动物化石 - 28 cm - 16 cm

奥陶纪 (4.854-4.438 亿年) - 摩洛哥

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Orthoceras - 动物化石 - 28 cm - 16 cm

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