Manuel Quiring

化石拍賣（海怪）

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，尖端、锯齿和釉质俱佳，
巨齿鲨（Carcharocles megalodon，/ˈmɛɡələdɒn/ MEG-əl-ə-don; Otodus megalodon），意为“巨牙”，是一种已灭绝的鲭鲨科鲨鱼，生活在大约2300万到360万年前的始新世晚期至中新世-上新世时期。此前曾被认为属于Lam­nidae科，与大白鲨(Carcharodon carcharias)关系密切。然而如今被归入已灭绝的Otodontidae科，与大白鲨在早白垩纪就已分道。

尽管被认为是有史以来最大、最强大的掠食者之一，巨齿鲨仅以零散的化石证据为人所知，其外观和最大体型仍不确定。科学家们对它更接近大白鲨的健壮形态、鲸鲨（Rhincodon typus）、缓颈鲨（Cetorhinus maximus）还是虎鲨（Carcharias taurus）的外观存在分歧。最近的、误差范围最小的估计显示其最大身长约为20.3米（67英尺），体重可达约103吨（114短吨）。

长度：10.2厘米
将通过PostNL投保运输。
商品编号：FFF28

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 10,2 cm
Will be shipped insured with PostNL.
Item FFF28

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巨齿鲨牙 10.2 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 10.2 厘米 - 牙齒化石 - Carcharocles megalodon (沒有保留價)

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