Manuel Quiring

化石拍賣

来自印度尼西亚，爪哇，Cikalong 的真品巨齿鲨牙
Quality Megalodon Tooth, with good tip, serrations and enamel,

巨齿鲨（Megalodon /ˈmɛɡələdɒn/ MEG-əl-ə-don；Otodus megalodon），意为“巨大之牙”，是一种已灭绝的鲭鲨科鲭形糖？的物种，生活在约230万至360万年前的中新世早期至上新世。此前曾被认为属于蝠鲼目 Lamnidae 家族，与大白鲨（Carcharodon carcharias）关系密切。但如今被归入已灭绝的 Otodontidae 家族，该家族在早白垩纪便与大白鲨分道扬镳。

尽管被公认为有史以来最庞大、最强大的掠食者之一，巨齿鲨仅以零散的化石残骸为人所知，其外形和最大体型仍不确定。科学家对它更像大白鲨的矮胖版本、鲸鲨（Rhincodon typus）、浮鲨（Cetorhinus maximus）或沙虎鲨（Carcharias taurus）之间存在分歧。最新且误差范围最小的估计给出的最大身长约为20.3米（67英尺），体重约103公吨（114短吨）。

长度 10.6 cm
将通过 PostNL 投保发运。
商品编号 FFF25

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 10,6 cm
Will be shipped insured with PostNL.
Item FFF25

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巨齿鲨牙，长度 10.6 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，长度 10.6 cm - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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