Sullivan Halipré

化石拍賣（海洋生物）

来自印尼苏门答腊 Jawa，Cikalong 的Authentic Carcharocles megalodon 牙齿 

Quality Megalodon Tooth，拥有良好的尖端、锯齿和釉质，

Megalodon (/ˈmɛɡələdɒn/ MEG-əl-ə-don; Otodus megalodon)，意为“大牙”，是一类已灭绝的鲭鲨科动物，生活在大约2300万年前至360万年前（Mya），从中新世早期至上新世。此前曾被认为属于Lamnidae科，与大白鲨（Carcharodon carcharias）关系密切。但现今被归入已灭绝的 Otodontidae 科，该科在早白垩纪与大白鲨分道扬镯。

尽管被认为是有史以来最大、最强大的捕食者之一，megalodon 的化石仅存留有零散残骸，其外形与最大体型仍不确定。科学家对它更像大白鲨的矮壮版本、鲸鲨（Rhincodon typus）、抚摸鲨（Cetorhinus maximus）还是沙虎鲨（Carcharias taurus）存在分歧。最近一次最小误差区间的估算给出最大身长高达约20.3米（67英尺），体重可达约103公吨（114短吨）。

长度：12.4 cm
将通过PostNL投保运输。
物品编号：RRR21

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 12,4 cm
Will be shipped insured with PostNL.
Item RRR21

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巨齿鲨牙 12,4 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 12,4 cm - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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