Manuel Quiring

化石拍卖

来自印尼爪哇，Cikalong 的正品巨齿鲨牙齿（Carcharocles megalodon）

高质量的巨齿鲨牙齿，尖端完好，齿锯齿和表面釉质完好，

巨齿鲨（Megalodon /ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意为“巨大牙齿”，是一种已灭绝的鲭鲨科动物，生活于大约2300万年前到360万年前的始新世至中新世。它曾被认为属于长鳍鲨科，并与大白鲨（Carcharodon carcharias）关系密切。然而，现今将其归类为已灭绝的Otodontidae科，该科在早白垩纪就已从大白鲨分化出来。

尽管被普遍认为是有史以来最强大、最具威胁性的掠食者之一，巨齿鲨的仅存证据多为断代化石，其外观和最大体长仍不确定。科学家对其更像是大白鲨的结实版本、抹香鲸（Rhincodon typus）、鲸鲨（Cetorhinus maximus）还是沙虎鲨（Carcharias taurus）的争议仍在持续。最近的估计在误差范围最小的前提下，最大体长约为20.3米（67英尺），体重约103公吨（114美吨）。

长度：11.4 cm

将通过PostNL投保运输。
物品编号：JJJ30

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 11,4 cm
Will be shipped insured with PostNL.
Item JJJ30

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巨齿鲨牙 11.4厘米 - 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 11.4厘米 - 牙齿化石 - Carcharocles megalodon (没有保留价)

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