Manuel Quiring

化石拍賣

带有来自摩洛哥的多枚 Orthoceras 标本的美丽板块。这些古代海洋生物是地球上最早的生命形式之一。发现于西撒哈拉西北部。
Orthoceras 是已灭绝的头足类软体动物，属于一个早已不存在的群体。这些海洋生物在数亿年前的海洋中生活，主要分布在奥陶纪和志留纪。它们的名字在希腊语中的意思是“直角之角”，指的是它们壳体的独特长而圆锥形的形状。壳体被分成由隔壁分隔的腔室，并通过中央导管相连。
Orthoceras 壳是它们最具代表性的特征。它由文石组成，文石也是许多现代软体动物壳中的矿物成分。随着时间的推移，通过沉积和矿化等地质过程，这些壳化石化，形成我们今天欣赏的标本。
Orthoceras 化石是研究古代海洋生物的宝贵见证。对它们的研究使科学家能够重建史前生态系统、理解物种进化，并深入了解塑造地球历史的重大变迁。
-- 金属展示架包含

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 - 動物化石 - 29 cm - 18 cm  (沒有保留價)

奧陶紀（4.854-4.438憶年） - 摩洛哥

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來自摩洛哥的 Orthoceras 標本，奧陶紀時期，拋光處理，自然狀態，原始/官方認證，重量3.3 kg，高29 cm，寬18 cm，附金屬展示架。

Orthoceras - 動物化石 - 29 cm - 18 cm (沒有保留價)

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來自摩洛哥的 Orthoceras 標本，奧陶紀時期，拋光處理，自然狀態，原始/官方認證，重量3.3 kg，高29 cm，寬18 cm，附金屬展示架。

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