Sullivan Halipré

化石拍賣（海洋生物）

来自印尼，爪哇，Cikalong 的正品巨齿鲨牙

优质的巨齿鲨牙，尖端、锯齿和釉质完好，

巨齿鲨（/ˈmɛɡələdɒn/ MEG-əl-ə-don； Otodus megalodon），意为“巨大牙齿”，是一种已灭绝的鲨鱼，生活在大约2300万年前至360万年前的中始新世至中新世时期。它曾被认为属于鲭鲨科，与大白鲨（Carcharodon carcharias）关系密切。然而，现今将其归入已灭绝的 Otodontidae 家族，该家族在早白垩纪就已与大白鲨分道扬镳。

虽然被认为是史上最大、最强大的掠食者之一，巨齿鲨仅以碎片化的化石为人所知，它的外形和最大体型仍不确定。科学家对于它更像大白鲨的哪一版本、还是像鲸鲨（Rhincodon typus）、巨齿鲨鲸鲨（Cetorhinus maximus）或沙虎鲨（Carcharias taurus）等的体形有分歧。最近的一项估计给出误差范围最小的最大体长约为20.3米（67英尺），体重可达103公吨（114短吨）。

长度13.5厘米
将通过PostNL保价发货。
物品编号 GGG19

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 13,5 cm
Will be shipped insured with PostNL.
Item GGG19

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巨大的巨齿鲨牙，13.5 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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巨大的巨齿鲨牙，13.5 cm - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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