Sullivan Halipré

化石拍賣（海洋生物）

来自印尼、爪哇，Cikalong 的正品巨齿鲨牙齿

高质量的巨齿鲨牙齿，尖端完好，具备清晰的锯齿和完整的牙釉质，

巨齿鲨（Carcharocles megalodon，/ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意为“大牙”，是一种已灭绝的鲭鲨科鲨鱼，生活在约230万年前至360万年前（中新世早期到上新世）之间。它曾被认为属于鳐齿鲨科并与大白鲨（Carcharodon carcharias）有亲缘关系。然而现在被归入已灭绝的Otodontidae科，该科在白鲨出现在白垩纪早期期间就与之分化。

尽管被认为是有史以来最庞大、最强大的捕食者之一，巨齿鲨仅以碎片化的遗骸为人所知，其外形和最大体型存在不确定性。科学家对其更接近于大白鲨的结实体型、鲸鲨（Rhincodon typus）、抚鲨（Cetorhinus maximus）或沙虎鲨（Carcharias taurus）之间的差异存在分歧。最近的估算中，误差最小的最大身长估计约为20.3米（67英尺），体重可达103公吨（114短吨）。

长度：10.9 cm

将通过PostNL投保运输。

物品：XXX06

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 10,9 cm
Will be shipped insured with PostNL.
Item : XXX06

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巨齿鲨牙，10.9 cm - 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，10.9 cm - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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