Manuel Quiring

化石拍賣

这是一件大型、打磨整齐的手工树脂、砂子与马哈贾加省（Mahajanga Province）的Phylloceras菊石化石拼盘。菊石在树脂层内晶化，位于砂床之上。构图优美。它已被玉髓替换，内部许多腔室内壁覆盖着方解石晶体。 
这是一只已灭绝的头足类软体动物，属于菊石。它生活于上侏罗纪（大约1.72亿—1.49亿年前），化石在几乎所有大洲都可发现。 
这些是海生动物，其外壳主要由碳酸钙以方解石形态组成，并部分由一种有机蛋白质物质（壳质Conchiolin）构成。壳内部被隔膜分成若干腔室，软体动物仅占据最后一个腔室（活腔）。其他腔室，即充满空气的分腔（壳的分腔部分），被用作“气腔”并充满气体与腔液以控制生物的浮力。腔室液体的压力由一条细小、血管丰富、部分矿化的管状有机结构（虹吸管）控制，该结构穿过所有隔膜，并通过渗透过程使动物的血液与软组织与腔室之间的液体进行交换。 
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This is a large, cut and polished hand made plate made of resin, sand, and Phylloceras ammonites from Mahajanga Province. The ammonites are crystallized within a layer of resin and above a bed of sand. A beautiful composition. It has been agate replaced, and many of the internal chambers are lined with calcite crystals. 
This is an extinct cephalopod mollusc belonging to the ammonites. It lived in the Upper Jurassic (172-149 million years ago), and its fossil remains are found on all continents.
These are marine animals, characterized by an external shell composed mainly of calcium carbonate, in the form of aragonite, and partly of an organic substance of a protein nature (conchiolin). The shell was internally divided by septa into several chambers, of which the mollusc occupied only the last (living chamber). The others, which made up the phragmocone (chambered part of the shell), were used as "air chambers" (similarly to the current Nautilus), filled with gas and chamber liquid to control the buoyancy of the organism. The pressure of the chamber fluids was controlled by a thin, richly vascularized, partly mineralized tubular organic structure (the siphon), which passed through all the septa and allowed the exchange of fluids from the blood and soft tissues of the animal to the chambers through a process of osmosis.
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菊石亞綱 - 動物化石 - Aioloceras (Cleoniceras) sp. - 11 cm  (沒有保留價)

白堊紀，下 (14500 - 10050 萬年) - 馬達加斯加

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Aioloceras (Cleoniceras) sp. 菊石標本，來自馬達加斯加，早白堤紀（約145–100.5百萬年前），拋光加工與組裝，原創/官方，高度11公分

菊石亞綱 - 動物化石 - Aioloceras (Cleoniceras) sp. - 11 cm (沒有保留價)

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Aioloceras (Cleoniceras) sp. 菊石標本，來自馬達加斯加，早白堤紀（約145–100.5百萬年前），拋光加工與組裝，原創/官方，高度11公分

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