Best preserved fossil tooth of a subadult Tyrannosaurus rex

Description

Best preserved fossil tooth of a subadult Tyrannosaurus rex
Description
Age: Mesozoic Cretaceous (135-65 million years ago)
Origin: Hell Creek Formation, USA
Size: Long curve measurement 1.9cm
Product Description: Shows the best state of preservation in every respect! A subadult fossil tooth of Tyrannosaurus rex, which has many features that are presumed to have been a part close to Primax. Glendive, Montana, U.S.A.
This is a fairly thick fossil tooth of a subadult Tyrannosaurus rex collected in Glendive, Montana, USA.
Moreover, it is a high-quality fossil tooth that is said to be in the best state of preservation.
Both enamel and serrations are of the best quality.
It's a little blurry, but please pay attention to the state of preservation of the enamel. It has a natural sheen.
There are no noticeable scratches even if you shoot up to this point.
If you look at it with the naked eye, you won't be able to see a single scratch.
It is of such high quality.
Also, please pay attention to this serration.
I've seen quite a few rex fossil teeth so far, but there aren't many fossil teeth with serrations like this. Even if you take a close-up shot with a magnifying glass, you can see that they are perfectly connected without missing parts.
Please use a loupe to see it.
You can't fully enjoy the charm of this fossil tooth with the naked eye alone.
A magnifying glass of 5x is sufficient.
Although the size itself is not that great, the overall shape indicates that it is not a juvenile.
In other words, there is thickness and width from the root to the tip, and please pay attention to the fact that it is swollen as a whole.
When viewed from the side, you should be able to tell at a glance that this fossil tooth is unmistakably the fossil tooth of an individual of subadult or higher age.
You can see that it is very thick to the tip as well as the root.
The excavation source describes this tooth fossil as a tooth fossil near the premaxillary tooth.
The four front teeth of the Rex's upper jaw are called premaxillary teeth (primax) and are very thick and short in shape.
It is also characterized by a D-shaped cross-section.
Primax is not long at all, even if it is an adult tooth fossil, it is about 5 cm by measuring the long curve of the crown.
However, it tends to be very thick because it seems to have played a role in pulling the prey meat in front of the hook.
This fossil tooth also has similar characteristics.
Although the cross section of this fossil tooth is not as large as D, we can see that there is an inner ridgeline and an outer swollen curved part.
Personally, I cannot assert that it is a premaxillary tooth, but the excavation source's suggestion that it was close to that is quite convincing.
By looking at the cross section, you can also check the thickness of the enamel.
As you can see, it looks very thick and strong.
The long curve measurement is 19 mm, which is not long at all, but the overall thickness and volume are noteworthy.
As far as this fossil tooth is concerned, the long curve measurement alone is not enough to express the actual size of this fossil tooth.
Please pay attention to the fact that it has a unique shape that is evenly thick from the root to the tip, which is unique to rex fossil teeth of sub-adults and above.
Comparison with 100 yen coin. A subadult tooth fossil of Tyrannosaurus rex.
It is a thick and short fossil tooth that is thought to have been a part close to Primax. The state of preservation of both enamel and serrations is a splendid gem that can be declared the best.
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