Manuel Quiring

化石拍賣（魚類和海洋脊椎動物）

来自印度尼西亚爪哇，Cikalong 的正品巨齿鲨牙齿

优质巨齿鲨牙齿，尖端锋利，齿锯齿清晰，且具有良好的牙釉质

巨齿鲨（Megalodon /ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意思是“巨牙”，是一种已灭绝的鲭鲨科鲨鱼，约在2300万年至360万年前（Mya）的早中新世至上新世期间生存。它曾被认为属于Lamnidae家族，与大白鲨（Carcharodon carcharias）关系密切。然而，现在被归入灭绝的Otodontidae科，该科在早白垩纪时期就已从大白鲨分化出来。

尽管被视为有史以来最庞大、最强力的掠食者之一，巨齿鲨仅有零散遗骸可供研究，其外形和最大体长仍不确定。科学家对于它更像大白鲨的粗壮版本、鲸鲨（Rhincodon typus）、日光鲨（Cetorhinus maximus）还是沙虎鲨（Carcharias taurus）等哪个形象存在分歧。最新且误差范围较小的估计显示，最大长度可达约20.3米（67英尺），体重可达103公吨（114短吨）。

长度 12,0 cm
将通过PostNL投保运输。
物品 MMM11

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 12,0 cm
Will be shipped insured with PostNL.
Item MMM11

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巨齿鲨牙，12.0 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，12.0 cm - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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