Manuel Quiring

化石拍卖

来自印度尼西亚，爪哇，Cikalong 的真实巨牙鲨（Carcharocles megalodon）牙齿

高质量巨牙鲨牙齿，尖端、锯齿和牙釉质完好

Megalo don（/ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意为“巨牙”，是一种已灭绝的鲭鱼鲨科物种，生活在约2300万到360万年前的中新世早期至上新世晚期。它曾被认为属于鳝齿鲨科之间的成员，与大白鲨（Carcharodon carcharias）关系密切。但现在被归类于已灭绝的 Otodontidae 家族，该家族在白鲨出现的早白垩纪时期就已分化。

尽管被认为是有史以来最大、最强的掠食者之一，巨牙鲨仅以零散的化石残存为所知，其外形和最大体长仍不确定。科学家们对于它更像是大白鲨的矮胖版本、鲸鲨（Rhincodon typus）、抹海鲨（Cetorhinus maximus）还是沙虎鲨（Carcharias taurus）等，意见不一。最近的估计中，误差范围最小者显示其最大长度可达约 20.3 米（67 英尺），体重可达约 103 公吨（114 短吨）。

长度 11.0 cm
将通过 PostNL 投保运输。
物品编号 EEE08

Authentic Carcharocles megalodon tooth from Indonesia, Java , Cikalong 

Quality Megalodon Tooth, with good  tip, serrations and enamel, 

Megalodon (/ˈmɛɡələdɒn/ MEG-əl-ə-don; Otodus megalodon), meaning "big tooth", is an extinct species of mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Pliocene epochs. It was formerly thought to be a member of the family Lamnidae and a close relative of the great white shark (Carcharodon carcharias). However, it is now classified into the extinct family Otodontidae, which diverged from the great white shark during the Early Cretaceous.

While regarded as one of the largest and most powerful predators to have ever lived, the megalodon is only known from fragmentary remains, and its appearance and maximum size are uncertain. Scientists differ on whether it would have more closely resembled a stockier version of the great white shark, the whale shark (Rhincodon typus), the basking shark (Cetorhinus maximus) or the sand tiger shark (Carcharias taurus). The most recent estimate with the least error range suggests a maximum length estimate up to 20.3 meters (67 ft),  weighs up to 103 metric tons (114 short tons)


Lenght 11,0 cm
Will be shipped insured with PostNL.
Item EEE08

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巨齿鲨牙 11,0 cm - 牙齿化石 - Carcharocles megalodon  (没有保留价)

新近纪 (23.03-2.58 百万年) - 印度尼西亚 爬哇岛 Cikalong

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巨齿鲨牙 11,0 cm - 牙齿化石 - Carcharocles megalodon (没有保留价)

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