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Given that all extant lamniform sharks give birth to live young, this is believed to have been true of megalodon also. [81] Infant megalodons were around 3.5 meters (11 ft) at their smallest, [ 35 ] : 61 and the pups were vulnerable to predation by other shark species, such as the great hammerhead shark ( Sphyrna mokarran ) and the snaggletooth ...
A team of scientists recently captured the elusive bluntnose sixgill shark, a deep-sea fish that has been on Earth before dinosaurs, on film.
An almost complete skeleton of a Cretaceous shark has been uncovered in Mexico. The find sheds light on what the prehistoric relative of the great white looked like.
Cretalamna is a genus of extinct otodontid shark that lived from the latest Early Cretaceous to Eocene epoch (about 103 to 46 million years ago). It is considered by many to be the ancestor of the largest sharks to have ever lived, such as Otodus angustidens , Otodus chubutensis , and Otodus megalodon .
Get excited for the 35th official Shark Week, from July 23 to July 29, with these shark facts. Sharks are millions of years older than dinosaurs and 5 other facts that may surprise you Skip to ...
Everhart finally described the partially digested partial plesiosaur skull he discovered in 1992. These were among the earliest known plesiosaur fossils in the Smoky Hill Chalk. He has since concluded that the animal that partially digested the remains was probably a shark, which would go on to vomit them up before they were buried and ...
Shark bite marks have been seen on coelacanths; sharks are common in areas inhabited by coelacanths. [66] Electrophoresis testing of 14 coelacanth enzymes shows little genetic diversity between coelacanth populations. Among the fish that have been caught were about equal numbers of males and females. [8]
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