25-million-year-old shark teeth found on Australian beach

12 August, 2018, 16:56 | Author: Darnell Taylor
  • Science

"The teeth of the sixgill shark work like a crosscut saw, and tore into the Carcharocles angustidens like loggers felling a tree". According to Newsweek, these fantastic beasts were cousins of the ferocious Megalodon, the 60-foot-long ancestor of the great while shark, and could reach staggering lengths of 30 feet (9 meters).

Philip Mullaly found a set of shark teeth in Jan Juc along Victoria's Surf Coast where a team of paleontologists at Museums Victoria excavated the fossils.

The about 3-inch teeth belonged to one of the most significant predators that ever lived in the world's oceans, the Great Jagged Narrow-Toothed shark. "I knew it was an important find, which you want to share with people".

He added that it is extremely rare to find multiple teeth from the same shark at one time, and hypothesized that more fossils from the shark could be inside the same boulder.

Fitzgerald said he was first contacted by Mullaly past year about a different discovery, during which he briefly mentioned the find at Jan Juc, but it wasn't until the amateur fossil hunter brought the teeth into the museum that Fitzgerald realized how significant the discovery was.

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Imagine strolling down the beach and discovering a razor-sharp tooth from a shark twice the size of a Great White.

Carcharocles angustidens being feasted upon by several sixgill sharks. When Fitzgerald and a team went to investigate, they found around 40 more teeth, including a few from a genus (Hexanchus) that is still alive today.

Museums Victoria palaeontologist Tim Ziegler said the sixgill teeth were from several different individuals and would have become dislodged as they scavenged on the carcass of the Carcharocles angustidens after it died.

Paleontologist-a lover Philip Mullaly came across a unique artifact when walking through the countryside, Jan-JUC, located about 100 kilometers from Melbourne. "The stench of blood and decaying flesh would have drawn scavengers from far around".

Fitzgerald suspected they came from one individual shark and there might be more entombed in the rock. "This find suggests they have performed that lifestyle here for tens of millions of years".

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