Sullivan Halipré

化石拍賣

来自印度尼西亚，爪哇，Cikalong 的正品巨齿鲨牙。

高品质的巨齿鲨牙，刀尖良好，锯齿和牙釉质完好，

巨齿鲨（Carcharocles megalodon，读音：MEG-əl-ə-don； Otodus megalodon）意为“巨大牙齿”，是已灭绝的鲭鲨科鲨鱼，生活在大约2300万至360万年前的始新世到上新世。此前曾被认为属于鲭鲨科 Lamnidae，与大白鲨（Carcharodon carcharias）关系密切。如今却归入已灭绝的 Otodontidae 科，与大白鲨在白垩纪早期分道。

虽然被视为有史以来最大、最强大的掠食者之一，巨齿鲨的证据仅以碎片化遗骸为主，其外形和最大体长尚不确定。科学家对它更接近大白鲨的结实体态、鲸鲨（Rhincodon typus）、抬头鲸鲨（basking shark，Cetorhinus maximus）或虎牙鲨（Carcharias taurus）等哪一种形态存在分歧。最新的较少误差区间的估计显示，其最大长度可达约20.3米（67英尺），体重可达约103吨（114短吨）。

长度 13,0 cm

将通过 PostNL 投保运输。

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，长度13,0 cm - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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