Sullivan Halipré

化石拍卖

来自印尼，爪哇，Cikalong 的正品巨齿鲨牙

高质量的巨齿鲨牙，尖端良好，锯齿清晰，釉质完好，

巨齿鲨牙（/ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意思是“巨牙”，是一种已灭绝的鲭鲨科鲨鱼，生活在大约 2300 万到 360 万年前的始新世至上新世。它曾被认为属于 Lamnidae 科，与大白鲨（Carcharodon carcharias）有亲缘关系。但现在被归入已灭绝的 Otodontidae 科，该科在早白垩纪就已与大白鲨分化。

尽管被认为是有史以来最大、最强大的掠食者之一，巨齿鲨仍仅以零散的遗骸为人所知，其外形和最大体长存在不确定性。科学家对于它更像大白鲨的短而壮的形态、抹香鲸（Rhincodon typus）、巨牙鲨（Cetorhinus maximus）还是砂虎鲨（Carcharias taurus）的样貌，存在分歧。最新且误差范围最小的估计显示，其最大体长可达约 20.3 米（67 英尺），体重可达约 103 公吨（114 短吨）。

长度 13.0 cm
将通过 PostNL 投保并寄出。
物品编号 RRR39

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 13,0 cm
Will be shipped insured with PostNL.
Item RRR39

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巨大的巨齿鲨牙，长度 13,0 cm - 牙齿化石 - Carcharocles megalodon  (没有保留价)

新近纪 (23.03-2.58 百万年) - 印尼 爬哇 Cikalong

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巨大的巨齿鲨牙，长度 13,0 cm - 牙齿化石 - Carcharocles megalodon (没有保留价)

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