Manuel Quiring

化石拍賣（史前巨無霸）

来自印尼、爪哇、Cikalong 的正品巨齿鲨牙

高质量的巨齿鲨牙，尖端、锯齿和牙釉质完好，

巨齿鲨（Carcharocles megalodon，发音 /ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意为“巨牙”，是一种已灭绝的鲭鲨科动物，约生活在2300万年前到360万年前的始新世至中新世晚期。它曾被认为属于锯鳐目 Lamnidae 家族，与大白鲨（Carcharodon carcharias）关系密切；但现今被归入已灭绝的 Otodontidae 家族，且在早白垩纪就已与大白鲨分支。 

尽管被认为是已知历史上最大、最强大的捕食者之一，巨齿鲨仅以碎片化的遗存为人所知，其外形和最大体型仍不确定。科学家对它更接近大白鲨的短胖体型、鲸鲨（Rhincodon typus）、抚摸鲨（Cetorhinus maximus）或虎鲨（Carcharias taurus）之间的争论持续存在。最新但误差范围最小的估算显示，最大身长可达约20.3米（67英尺），体重可达约103公吨（114短吨）。

长度：9.5厘米

将通过 PostNL 投保寄送。

物品编号：BBB07

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 9,5 cm
Will be shipped insured with PostNL.
Item BBB07

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巨齿鲨牙，9.5厘米 - 牙齒化石 - Carcharocles megalodon  (沒有保留價)

新近紀 (2303 - 258萬年） - 印度尼西亚 爪哇 Cikalong

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巨齿鲨牙，9.5厘米 - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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