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Fossil of prehistoric ‘dragon’ — as big as a great white shark — unearthed in Japan. ... came upon the creature’s near perfectly intact fossilized remains in southwestern Japan in 2006 ...
On April 25, 1977, the Japanese trawler Zuiyō Maru, fishing east of Christchurch, New Zealand, caught a strange, unknown creature in the trawl.The crew was convinced it was an unidentified animal, [4] but despite the potential biological significance of the curious discovery, the captain, Akira Tanaka, decided to dump the carcass into the ocean again so not to risk spoiling the fish caught.
Propristiophorus is an extinct genus of sawshark that lived in the Late Cretaceous.It contains a single named species, P. tumidens, from Lebanon. [1] Additional unnamed species have been found in Antarctica, Japan, and Madagascar. [2]
Nakadomari (Japanese: 仲泊遺跡) is an archaeological site of the prehistoric and early modern periods in Onna, Okinawa.It is a complex site that includes remains of the Early Kaizuka Period Phase IV and V and Late Kaizuka Periods, as well as of the early modern Ryukyu kingdom.
A deep-water megamouth shark was captured near Shizuoka, Japan. Looking at its mouth, we have to say it was named quite appropriately. The shark measured 13 feet long and weighed nearly 1,500 pounds.
R. bracheri from the Early Miocene was one of the most widespread species, with fossil teeth known from the European Paratethys and from Japan. The last records of Rolfodon are indeterminate teeth from the Early Pliocene of Japan. [2] R. goliath, from the Late Campanian of Angola's southern Benguela Basin, could grow to very large sizes. [6]
The shark is believed to be an ancestor of the great white shark. It is now extinct, but its teeth once spanned up to 8.9 cm (3.5 inches) in length, while adults could grow to near seven meters in ...
The fact that the bite marks were found on the tooth's roots further suggest that the shark broke the whale's jaw during the bite, suggesting the bite was extremely powerful. The fossil is also notable as it stands as the first known instance of an antagonistic interaction between a sperm whale and an otodontid shark recorded in the fossil record.