Sullivan Halipré

化石拍賣

来自印尼 Java，Cikalong 的真实巨齿鲨牙。

优质巨齿鲨牙，尖端、锯齿和牙釉质完好。

Megalodon (/ˈmɛɡələdɒn/ MEG-əl-ə-don; Otodus megalodon)，意为“巨大之牙”，是一种已灭绝的鲭鲨科鲨鱼，生活在大约230万到360万年前的中新世早期至上新世时期。据早前研究，它曾被认为属于长须鲨科，与大白鲨(Carcharodon carcharias)关系密切。然而，现在它被归入已灭绝的 Otodontidae 科，与大白鲨在白垩纪早期分化。

尽管被认为是有史以来最大、最强大的掠食者之一，巨齿鲨仅知之于碎片化的遗骸，其外形和最大体长仍不确定。科学家对其外观的意见各不相同：可能更像大白鲨的健壮版本、鲸鲨（Rhincodon typus）、抚鲸鲨（Cetorhinus maximus）还是沙虎鲨（Carcharias taurus）。最新的估计在误差范围较小的情况下，最大身长可达约20.3米（67英尺），体重可达约103吨（114短吨）。

长度 12,2 cm
将通过 PostNL 投保运输。
物品编号 JJJ32

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 12,2 cm
Will be shipped insured with PostNL.
Item JJJ32

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巨齿鲨牙，长12.2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，长12.2厘米 - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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