Sullivan Halipré

化石拍卖（收藏家内饰）

美丽的板材，展示来自摩洛哥的多枚正长角螺化石标本。这些古代海洋生物是地球上最早的生命形式之一。於西北撒哈拉发现。正长角螺是已灭绝的头足类软体动物，属于一个早已失传的群体。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“直线的角”，指的是它们壳体的独特拉长圆锥形状。壳体被腔室分隔，腔室之间由分室板分隔，并由中心的气管管道相连。正长角螺壳是它们最具标志性的特征。它由文石组成，这是一种也存在于许多现代软体动物壳中的矿物。经过沉积、矿化等地质过程，这些壳逐渐化石化，形成了我们今日欣赏的标本。正长角螺化石是研究古代海洋生物的宝贵证据。研究它们使科学家能够重建史前生态系统、理解物种进化，并洞察塑造地球历史的重大变化。 -- 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

我们的专家提供此估价，以为您的出价提供指导。此估计基于预期的需求和物品的独有的特征，如质量、稀有性或所有权历史等。我们无法保证该物品一定会以此金额出售、转售或被评估。

Orthoceras - 动物化石 - 28 cm - 16 cm

奥陶纪 (4.854-4.438 亿年) - 摩洛哥

意大利

verified

经验证

标本

国家

地质时期

状态

处理

重量

高度

宽度

真伪

Orthoceras - 动物化石 - 28 cm - 16 cm

Catawiki买家保障

Trustpilot 4.4分 | 136997条评论

与您的朋友分享此物品

卖家的描述

详细资料

类似物品