A Fossil Of Animals That Live On The Ground Japanese Schoolboy Finds Dinosaur Toe Bone

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Japanese Schoolboy Finds Dinosaur Toe Bone

Keen-Eyed Student Signs-Tiny Dinosaur Bones

A Japanese student on an outing with his family to a mining museum has discovered a toe bone of a dinosaur, possibly a member of the Theropod group of dinosaurs and the bone may represent a species that is new to science. The small fossil, measuring only three centimeters in length, was found by Takato Sasaki, who was visiting the Kuji Amber Museum in Kuji, Iwate Prefecture, the northeastern part of the island of Honshu (Japan).

Rare Dinosaur Fossil Discovered

The Kuji Amber Museum is the only museum of its kind in Japan, amber can be found in this area, fossilized tree resin dates from about fifty million years ago (Palaeogene period) to as old as about a hundred million years ago (Cretaceous) geological period). The fossil, although very small and representing only one toe bone has been dated to about eighty-five years ago (Late Cretaceous Santonian faunal stage). The fossil was found last June, and has been identified as a pedal phalange, a toe bone from a bipedal, fast-moving dinosaur that could have been between one and two meters tall. Dinosaur height can be estimated by comparing the size of this toe bone with the pedal phalanges of more complete examples of bipedal dinosaurs where more of the bone is exposed.

Bone from the Left Hind Leg of a Bipedal Dinosaur

Researchers such as Prof. Ren Hirayama (Waseda University), have said that the bone comes from the left hind leg of a member of the Coelurosauria dinosaur family. The Coelurosauria clade of dinosaurs is an exceptionally diverse group of Theropod dinosaurs. It includes Ornithomimids, Tyrannosaurs, Compsognathidae and raptors like Dromaeosaurs. Dinosaur fossils are very rare in Japan. The ones found are usually very fragmented, for example, a unique, tooth root found earlier this year suggests evidence of horned dinosaurs living on the land now known as Japan in the Late Cretaceous.

A few years ago, Japanese scientists found a large thigh bone (femur) of a dinosaur. This suggests that there may have been Titanosaurs living in this part of the world back in the late stages of the Mesozoic.

Professor Ren Hirahama explained that it is very rare to find a toe bone from a dinosaur, these small bones are usually worn away very easily and quickly separated from the rest of the fossil material, including large bones such as vertebrae and upper leg. bones such as humerus and femur.

The size of a schoolboy’s little finger

The bone is not much bigger than a student’s little finger, it measures only three centimeters in length and is only about one centimeter in diameter at its widest part. Given that scientists have only one bone to study, they can’t say much more about this dinosaur, it’s impossible to identify the genus, but it shows that there are relatives of the marine dinosaurs. . Tyrannosaurus rex lived in Japan during the Late Cretaceous. The bone may have been preserved after it had decomposed from the old sediments and become mixed with the amber-bearing strata, although if it had been transported a significant distance, palaeontologists would have expected that the fossil bone small to show more signs of erosion. than you actually do.

Amazingly Rare Fossil Discovery

High school student Takato Saski, said to be so excited about his discovery, the small specimen was found in an amber mine on the museum’s premises. Describing the moment he first saw the object, Takato said that at first he thought the object was a small tree, but when he looked more closely he realized he had seen something more impressive.

Young People Have Two Big Advantages Over Professional Scientists

Young people have two major advantages when it comes to finding fossils. First, they tend to be shorter than adults, this means that they are closer to the ground and because fossils are usually found on the ground, they are closer to where the work is – from a palaeontological perspective. In addition, their young eyes are generally sensitive and their excellent vision can help young people see small objects, even small dinosaur toe bones.

Scientists hope that the news about this rare find will encourage more bright-eyed visitors to the museum. Perhaps more fossilized remains will come to light and these fossils can help scientists to understand the diversity of Dinosauria in this part of the world towards the end of the Cretaceous. After all, it’s not often that a student discovers the skeleton of a related dinosaur Tyrannosaurus rex.

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