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Real Mosasaurus Tooth Fossil - Authentic Dinosaur Tooth Specimen - Dey Designs Certificate of Authenticity

4.2 4.2 out of 5 stars 436 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.
  • Each Mosasaurus dinosaur tooth comes with a certificate of authenticity from Dey Designs that proves the tooth that you received was inspected and is real.
  • These Mosasaurus teeth can date back up to 61 - 145 million years ago!
  • Our real Mosasaurus tooth is the perfect gift for any dinosaur enthusiast.
  • A thoughtful Mosasaurus toy for children to learn about dinosaurs, or to create a Mosasaurus necklace.
  • Please note that these teeth are selected randomly and may vary in size and color, some may be bigger or smaller. As some are old they may contain slight cracks.

Additional Details

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Product details

  • Package Dimensions ‏ : ‎ 3.25 x 2.5 x 0.6 inches; 0.81 ounces
  • Department ‏ : ‎ unisex-adult
  • Date First Available ‏ : ‎ September 4, 2019
  • Manufacturer ‏ : ‎ Dey Designs
  • ASIN ‏ : ‎ B07XB3PR4T
  • Customer Reviews:
    4.2 4.2 out of 5 stars 436 ratings

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  6. Dey Designs Logo

    Dey Designs, which was founded in 2021 and was conceived under the warm California sun, has built a solid name for itself in the crystal and home décor industry.

    Everybody should be able to afford premium stones, crystals, and fossils at a reasonable value, which is the main goal of this woman-owned company. Ensuring ethical sourcing for each crystal.

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Customer reviews

4.2 out of 5 stars
4.2 out of 5
436 global ratings

Customers say

Customers have good things to say about the quality of the fossil tooth. They say it's well preserved and suitable for appreciation. Customers are also impressed with the appearance, saying it looks great and authentic. However, some customers have reported issues with the condition and documentation of the product. They mention that the tooth was broken, chipped, and cracked. Customers also dislike authenticity, and size.

AI-generated from the text of customer reviews

7 customers mention7 positive0 negative

Customers are satisfied with the quality of the fossil. They mention that it looks like a real dinosaur and is well preserved.

"Great product" Read more

"The Fossil Teeth Was Well Preserved" Read more

"Great product, but not packaged good. Came in with a chip and fragments in the package." Read more

"Feels and looks like a real dinosaur to my son is happy with this one" Read more

5 customers mention5 positive0 negative

Customers like the appearance of the lab supply. They say it looks great and authentic.

"...It looks authentic but the "Certificate of Authencity" is a 2" square piece of paper saying "This document certifies that this item is authentic."..." Read more

"...Actually it’s very pretty and a nice specimen. Not huge. Not to small. My boy loves his Dino tooth...." Read more

"Looks authentic but the certificate of authenticity sure isn't...." Read more

"I like the mosasaurus tooth fossil I think it looks cool" Read more

5 customers mention5 positive0 negative

Customers appreciate the specimen. They say it's a nice specimen, suitable for appreciation, and a decent little stocking stuffer. Some customers also mention that it'd be an educational gift.

"...Actually it’s very pretty and a nice specimen. Not huge. Not to small. My boy loves his Dino tooth...." Read more

"Nice for this price.They are suitable for appreciation." Read more

"...a trade for dinosaur teeth instead of money, this was perfect and educational!" Read more

"Decent little stocking stuffer or birthday present for someone who likes that sort of thing" Read more

5 customers mention5 positive0 negative

Customers appreciate the value of the lab supply. They say it's reasonable and has a certificate of authenticity.

"...This one was most reasonable and given a certificate of authenticity...." Read more

"Nice for this price.They are suitable for appreciation." Read more

"Nice sample for the price." Read more

"Great Value..." Read more

9 customers mention0 positive9 negative

Customers are dissatisfied with the authenticity of the lab supply. They mention that there is no certificate of authenticity to speak of.

"...It's in perfect condition. Disappointed at the "certificate" which simply was a small phrase printed below the scan code on the sticker applied to..." Read more

"...It also did not come with a certificate of authenticity at all. I am very disappointed...." Read more

"...Also, there was no certificate to speak of." Read more

"Looks authentic but the certificate of authenticity sure isn't...." Read more

9 customers mention2 positive7 negative

Customers are dissatisfied with the condition of the lab supply. They mention that it was broken, chipped, and crumbled into pieces. Some customers also say that the authenticity of the tooth is dubious at best.

"...be a bit different and likely have a bit of damage, but it looks like it has been cracked and glued together in two places...." Read more

"...Ours arrived chipped, and apparently glued together. A little deceiving to say the least...." Read more

"...So, in summary there is no certificate of authenticity and tooth is dubious at best. Looks to be a k9 tooth from a very recent mammal." Read more

"...Again, I will say that the tooth I received is in absolute perfect condition and would make a great piece for discussion and show-n-tell...." Read more

7 customers mention2 positive5 negative

Customers are dissatisfied with the size of the lab supply. They mention that the tooth is literally so small.

"...This one was small...." Read more

"Do not waste your money! The tooth I got is literally so small...." Read more

"...Actually it’s very pretty and a nice specimen. Not huge. Not to small. My boy loves his Dino tooth...." Read more

"Looks kind of small to be a mosasaurus...." Read more

5 customers mention0 positive5 negative

Customers are dissatisfied with the documentation of the lab supply. They mention that the listing is misleading, vague, and does not match the description.

"...more examples, I would be more understanding, but I feel like the listing lies and without a certificate at all, I think this is all very sus." Read more

"...It’s pretty vague so I doubt its real but whatever I guess. It’s a gift for a 3 year old." Read more

"Doesn't match description..." Read more

"No documentation..." Read more

Do not waste your money
1 Star
Do not waste your money
Do not waste your money! The tooth I got is literally so small. Now, I understand the size could maybe vary, but I would say the listing is very misleading and never shows anything as small as the tooth I got. It also did not come with a certificate of authenticity at all. I am very disappointed. I provided a photo of my tiny tooth, then as a size comparison, a previous mosa tooth that I purchased from somewhere else. Look at that thing! Again, if it was more clear that size could vary and they showed more examples, I would be more understanding, but I feel like the listing lies and without a certificate at all, I think this is all very sus.
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Top reviews from the United States

Deborah Demers
5.0 out of 5 stars Perfect condition, a little small
Reviewed in the United States on March 20, 2024
Verified Purchase
The tooth arrived very quickly and well packaged. It's in perfect condition. Disappointed at the "certificate" which simply was a small phrase printed below the scan code on the sticker applied to the packaging. I've purchased these teeth previously from other sources and they have all been a really nice, big size. This one was small. The ad does say all teeth are picked randomly and will vary in size so I knew it would be a grab bag as to what I received and probably would end up being smaller than I was looking for, but for the price I decided to take the chance. The price matches what I received. In the future, I'll purchase from the other dealer that has a guarantee on specific sizes. Again, I will say that the tooth I received is in absolute perfect condition and would make a great piece for discussion and show-n-tell. My disappointment on the size does not mean I would give it a lower ranking since it does match the ad description, so I gave this rating a 5 star.
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Carole Minnix
5.0 out of 5 stars Excellent model
Reviewed in the United States on May 3, 2024
Verified Purchase
Excellent model to be used in nature presentation for youth concerning prehistoric animals
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brandon cordell
5.0 out of 5 stars Looks great
Reviewed in the United States on July 5, 2023
Verified Purchase
Great product
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Cory Uttke
4.0 out of 5 stars Wow
Reviewed in the United States on November 3, 2023
Verified Purchase
It’s a mosesaurus tooth. :)
Actually it’s very pretty and a nice specimen. Not huge. Not to small. My boy loves his Dino tooth. I fashioned into a necklace and my 4 yr old is very proud to wear.
One person found this helpful
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Rae R. Newton
3.0 out of 5 stars The one I received was broken in half and reglued.
Reviewed in the United States on December 12, 2022
Verified Purchase
I realized that the item one receives often will not be exactly like the item in the picture. However, I didn't expect to receive one that had been broken in half and then reglued. This seems different from the minor dings and scratches that would be reasonable to expect.
7 people found this helpful
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John P.
5.0 out of 5 stars Excellent, I assume it's real
Reviewed in the United States on May 15, 2022
Verified Purchase
It's fantastic to hold an item in your hand that is over 65 million years old. It looks authentic but the "Certificate of Authencity" is a 2" square piece of paper saying "This document certifies that this item is authentic." Something a little more formal would be a little more comforting. Still, I'll be showing this off to friends as I discuss pre-Egyptian history and the human advance civilization that existed long before ours. It's hard to say "no" to the age of the earth being more than a few thousand years when you're holding the evidence in your hand that life on earth has been around for a long, long, time.
5 people found this helpful
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Mollie Underwood
1.0 out of 5 stars Do not waste your money
Reviewed in the United States on April 16, 2024
Verified Purchase
Do not waste your money! The tooth I got is literally so small. Now, I understand the size could maybe vary, but I would say the listing is very misleading and never shows anything as small as the tooth I got. It also did not come with a certificate of authenticity at all. I am very disappointed. I provided a photo of my tiny tooth, then as a size comparison, a previous mosa tooth that I purchased from somewhere else. Look at that thing! Again, if it was more clear that size could vary and they showed more examples, I would be more understanding, but I feel like the listing lies and without a certificate at all, I think this is all very sus.
Customer image
Mollie Underwood
1.0 out of 5 stars Do not waste your money
Reviewed in the United States on April 16, 2024
Do not waste your money! The tooth I got is literally so small. Now, I understand the size could maybe vary, but I would say the listing is very misleading and never shows anything as small as the tooth I got. It also did not come with a certificate of authenticity at all. I am very disappointed. I provided a photo of my tiny tooth, then as a size comparison, a previous mosa tooth that I purchased from somewhere else. Look at that thing! Again, if it was more clear that size could vary and they showed more examples, I would be more understanding, but I feel like the listing lies and without a certificate at all, I think this is all very sus.
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C D Velazquez
5.0 out of 5 stars Great Value
Reviewed in the United States on March 10, 2023
Verified Purchase
More than I expected for the price. Hope my Great Grandson likes it. Received it the day before it was promised. Thanks so much.
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