精彩的鹦鹉螺化石 - 贝壳化石 - Cymatoceras sp. - 16 cm - 13 cm (没有保留价)

Large Albian Nautilus Fossil – Natural Matrix with Subtle Iridescence – Cretaceous

An impressive large nautilus fossil from the Albian stage of the Early Cretaceous, approximately 110 million years old, distinguished by its substantial proportions, pronounced shell structure, and attractive natural mineralization.

这是一块来自早白垩世阿尔比安阶段的宏大鹦鹉螺化石，约距今1.1亿年，因其庞大的比例、显著的壳体结构和引人注目的天然矿化而脱颖而出。

The specimen preserves the characteristic coiled morphology of these ancient marine cephalopods, with prominent curved ribs and beautifully defined growth features. Its robust three-dimensional form gives the fossil a powerful sculptural presence.

该标本保留了这些古代海洋头足类的典型螺旋形态，具明显的曲肋和清晰定义的生长纹理。其强健的三维形态赋予化石一种强烈的雕塑感。

The shell displays a rich combination of reddish-brown, warm beige, cream, and greyish-green tones. Particularly fascinating are the small areas of preserved natural iridescence, revealing delicate bluish and silvery reflections that become visible as the light changes.

壳体呈现出丰富的红棕色、温暖的米色、奶油色和带灰绿色调的色彩组合。尤为迷人的是保留的天然虹彩的微小区域，随着光线变化，露出微妙的蓝色调和银色反射。

Several sections of the shell have been naturally exposed, revealing contrasting mineralized layers, smooth fossilized surfaces, and intricate structural details. The partially preserved outer shell and the substantial sedimentary infill create an interesting contrast between the fossil's original morphology and the geological processes that shaped its preservation.

壳的若干部分自然暴露，呈现出对比鲜明的矿化层、光滑的化石表面以及复杂的结构细节。部分保留的外壳和大量沉积物充填物之间形成了化石原始形态与塑造其保存过程的地质过程之间的有趣对比。

The reverse side offers an additional perspective, with broad natural surfaces, exposed shell layers, and irregular fossilized textures. Natural fractures and weathered areas remain visible throughout, contributing to the specimen's authentic character.

背面提供了另一种视角，拥有宽阔的天然表面、露出的壳层和不规则的化石化纹理。自然裂纹和风化区域始终可见，增添了标本的真实质感。

Its impressive volume, distinctive ribbing, and subtle iridescent highlights make this an attractive example of Cretaceous marine life, equally appreciated for its paleontological interest and decorative qualities.

其庞大的体积、独特的肋纹和微妙的虹彩点缀，使其成为一件引人注目的白垩纪海洋生物代表，对古生物学价值和装饰性特征同样具吸引力。

The clear acrylic display stand shown in the photographs is included.

图片中所示的透明有机玻璃展示架也包含在内。

A substantial and visually striking fossil, ideal for natural history collections, museum-style displays, or a refined cabinet of curiosities.

这是一块规模宏大、视觉冲击力强的化石，非常适合自然史收藏、博物馆式陈列或精致的收藏橱柜展示。