My Collection

[Dracorex_hogwartsia]

Thank you! This picture is perfect, you always take great pictures!

[Ruger9a]

Your collection has a drool factor of 500%, OMG  Wonderful specimens and great, steady handed photos.

[fossilsonwheels]

On 2/27/2020 at 1:40 PM, Jaimin013 said:

I've been on a break from the forum and collecting fossils in general due to life admin but today I received this rooted allosaurus tooth. Will post some more pics on the weekend if i can.

 

Allosaurus

Morrison Formation

4 inches

 

 

That is an amazing tooth. Congrats 

[Jaimin013]

2 minutes ago, fossilsonwheels said:

That is an amazing tooth. Congrats 

Thanks a lot! 

[Jaimin013]

3 hours ago, Ruger9a said:

Your collection has a drool factor of 500%, OMG  Wonderful specimens and great, steady handed photos.

Thanks alot! What types of fossils do you collect? Trilobites primarily?

[Ruger9a]

4 hours ago, Jaimin013 said:

Thanks alot! What types of fossils do you collect? Trilobites primarily?

No, I wish I could say that....I have a bad focus problem when it comes to fossils.  I go through phases of collecting depending on availability, quality and price.  And then there is the "whatever catches my eye" syndrome.  Although Trilobites are one of my favorites (close to the top) but I'm currently in one of the availability/quality/price conundrums.  So other fossils are currently filling the void, so to speak.  I do love large Herbivore teeth, Oreodonts, Trilobites, Crinoids, Plants, Ammonites - - - - see what I mean...………

[Jaimin013]

13 hours ago, Ruger9a said:

No, I wish I could say that....I have a bad focus problem when it comes to fossils.  I go through phases of collecting depending on availability, quality and price.  And then there is the "whatever catches my eye" syndrome.  Although Trilobites are one of my favorites (close to the top) but I'm currently in one of the availability/quality/price conundrums.  So other fossils are currently filling the void, so to speak.  I do love large Herbivore teeth, Oreodonts, Trilobites, Crinoids, Plants, Ammonites - - - - see what I mean...………

I understand why it can be difficult to focus. There are also alot of different types of fossils that you can collect and as you mention the availability, quality and price is dependent on what type of fossils you are looking for.

[Jaimin013]

Ichthyosaur tooth (44mm)

Lyme Regis

Jurassic Coast 

UK

 

This tooth came from a block of mixed Ichthyosaur bones in the most horrible type of matrix that you can get in Lyme Regis, a sort of mudstoney shale which is very calcitic so although preservation is good it's hard to clean and extract individual bones. Also, after drying out, the block cracks up as it contracts, cracking the bones. Due to the cracking, super glue had to be injected everywhere prior to prep. The tooth is only missing the very tip and doesn't detract from the rest of the tooth. Towards the base of the root you can see where the replacement tooth would have formed. As not enough bones were found to make a more accurate diagnosis of the species and as there hasn't really been quite enough research into Ichthyosaur species, an ID cannot be assigned but it could be either a young Temnodontosaurus or communis at it's absolute maximum size possible.

 

[Runner64]

Cool new tooth! @Jaimin013

[Dracorex_hogwartsia]

Beautiful tooth! It looks very similar to the one Paul just got.

[Jaimin013]

37 minutes ago, Runner64 said:

Cool new tooth! @Jaimin013

 

32 minutes ago, Dracorex_hogwartsia said:

Beautiful tooth! It looks very similar to the one Paul just got.

Thanks both

[Jaimin013]

Baryonyx tooth

Isle of Wight

UK

 

After searching for such a long time I finally found a Baryonyx which is in good shape and not worn! When I get my SLR I will take some high quality pics as a mobile phone camera doesn't provide the best detail. The tooth looks much nicer in person than in the pics and it has extremely fine serrations so hard to capture it. I have also uploaded a pic of the tooth against casts of three real Baryonyx teeth found in Isle of Wight which is cool to have as a reference and so that you can get an idea of how large the teeth grew to if you aren't already aware.

 

I also received this very nice bone from Isle of Wight which is just under 5 inches which has really nice detail. Is anyone able to assist me with potentially ID'ing the bone? I am trying to identify whether it may have come from a herbivore such as Iguanodon, a sauropod or a theropod maybe even Baryonyx. Update: Bone is most likely to be from Iguanodon or possibly a Sauropod.

 

[paulyb135]

Nice addition! How big?

 

How big is the biggest replica? That looks huge! I thought mine was big but that dwarfs mine I think

[Dracorex_hogwartsia]

Beautiful tooth Jai! I have all the same questions Paul has. How large is your tooth and how large are all the casts? All the casts are Baryonyx teeth?

[StevenJD]

@Jaimin013

Really like the baryonyx tooth Jai.   Great acquisition.

[Tidgy's Dad]

Very nice tooth.

[Jaimin013]

Closely resembles Morphotype J3 C from a 2019 paper which were identified as Titanosauriforme ("basal brachiosaurid or at least a titanosauriform").

 

This 36mm (1 1/2 inch) tooth arrived today - advertised as Rapetosaurus krausei from Maevarano Formation, Mahajanga, Madagascar however i've seen a similar spoon shaped tooth that @Anomotodon has in his collection that's been identified as a giant long-necked sauropod, a relative of Diplodocus from the family Dicraeosauridae found in the Middle Jurassic of Isalo IIIb Formation.

 

Interestingly, Diplodocoids, a unique and successful sauropod group are known only since Late Jurassic, while this tooth is at least 10 million years younger. This tooth morphology, elongated pen-shaped teeth, seems to be the rarest among multiple sauropod species that lived in Madagascar at that time.

 

[Runner64]

13 minutes ago, Jaimin013 said:

This 36mm (1 1/2 inch) tooth arrived today - advertised as Rapetosaurus krausei from Maevarano Formation, Mahajanga, Madagascar however i've seen a similar spoon shaped tooth that @Anomotodon has in his collection that's been identified as a giant long-necked sauropod, a relative of Diplodocus from the family Dicraeosauridae found in the Middle Jurassic of Isalo IIIb Formation.

 

Interestingly, Diplodocoids, a unique and successful sauropod group are known only since Late Jurassic, while this tooth is at least 10 million years younger. This tooth morphology, elongated pen-shaped teeth, seems to be the rarest among multiple sauropod species that lived in Madagascar at that time.

 

Hi Jai, cool tooth.  Check out this article, should be helpful:

 

Bindellini, Gabriele, and Cristiano Dal Sasso. “Sauropod Teeth from the Middle Jurassic of Madagascar, and the Oldest Record of Titanosauriformes.” Wiley Online Library, John Wiley & Sons, Ltd, 6 Sept. 2019, onlinelibrary.wiley.com/doi/abs/10.1002/spp2.1282.

 

Describes this type of tooth as, "indeterminate specialized eusauropod, which may represent a new species and provides the first evidence of a Bathonian diplodocoid in Madagascar"

[Jaimin013]

1 hour ago, Runner64 said:

Hi Jai, cool tooth.  Check out this article, should be helpful:

 

Bindellini, Gabriele, and Cristiano Dal Sasso. “Sauropod Teeth from the Middle Jurassic of Madagascar, and the Oldest Record of Titanosauriformes.” Wiley Online Library, John Wiley & Sons, Ltd, 6 Sept. 2019, onlinelibrary.wiley.com/doi/abs/10.1002/spp2.1282.

 

Describes this type of tooth as, "indeterminate specialized eusauropod, which may represent a new species and provides the first evidence of a Bathonian diplodocoid in Madagascar"

Hi Matt, thanks for this! I've seen this article, Troodon posted about it here: http://www.thefossilforum.com/index.php?/topic/98375-jurassic-sauropod-teeth-of-madagascar/

 

I am still uncertain though which morph type it matches in the paper. It looks possibly like j8 (basal taxon of Diplodocoidea) but the top view of the tooth is not the same shape as my tooth (I don't think although my tooth does have some feed wear on the top left hand corner but don't think that's the issue) and also the overall spoon shape does not match j3 (basal brachiosaurid or at least a titanosauriform) although being spoon shaped but leaning looking more pen shaped as my tooth is more elongated (so unlikely j3).

 

Notwithstanding the above, the overall shape of my tooth does remind me of my Diploocus tooth. What's unique about this tooth though is how it thins at the top towards the tip then about 3/4 of the way down the crown it expands out and then goes back in towards the root but is still wider than the top. Very cool and none of my other sauropod teeth have that shape.

 

[Runner64]

14 minutes ago, Jaimin013 said:

Hi Matt, thanks for this! I've seen this article, Troodon posted about it here: http://www.thefossilforum.com/index.php?/topic/98375-jurassic-sauropod-teeth-of-madagascar/

 

I am still uncertain though which morph type it matches in the paper. It looks possibly like j8 (basal taxon of Diplodocoidea) but the top view of the tooth is not the same shape as my tooth (I don't think although my tooth does have some feed wear on the top left hand corner but don't think that's the issue) and also the overall spoon shape does not match j3 (basal brachiosaurid or at least a titanosauriform) although being spoon shaped as my tooth is more elongated (so unlikely j3).

 

Looking at the post by Troodon, I see a lot of similarities to J3 C.  Perhaps it is an undescribed species of titanosauriforme ("basal brachiosaurid or at least a titanosauriform")?

 

From the example used in the paper, I am not seeing a lot of similarities to J8, especially from the top view.  Not sure, this is a tricky one

[Jaimin013]

21 minutes ago, Runner64 said:

Looking at the post by Troodon, I see a lot of similarities to J3 C.  Perhaps it is an undescribed species of titanosauriforme ("basal brachiosaurid or at least a titanosauriform")?

 

From the example used in the paper, I am not seeing a lot of similarities to J8, especially from the top view.  Not sure, this is a tricky one

Actually wait J3 C eluded me for a second! It's because the one in the paper is not as complete as the one that I have so doesn't fully show off the full shape of the tooth but I have to actually agree with you. I guess what makes it still slightly different than J3 C (I may be seeing things now that aren't actually there! haha or because the tooth in the paper is not as complete) is that the bit where it expands on my tooth is more curved on one side with the other side more straight whereas the one in the paper seems more straight on both sides (see below pics). This variation could however be due to tooth position or slight differences in teeth shape between dinosaurs. Therefore could be from an undescribed species of titanosauriforme ("basal brachiosaurid or at least a titanosauriform"). I'm no expect though so just theories!

 

 

 

Don't think it's J8 either now.

[Jaimin013]

Described by the original finder, a Paleontologist (Francois Escuillié) as Elephorsaurus bambergi from Ambondromamy, Madagascar.

 

I've done a little bit of research and noted that Elephorsaurus bambergi is actually described from the Tendaguru Formation, Tanzania in Africa. Makes me wonder why it was described as such . This indeterminate tooth looks like an abelisaurid tooth (possibly Majungosaurus) http://www.thefossilforum.com/index.php?/topic/93726-majungasaurus-tooth/&page=2&tab=comments#comment-1109476 but I am unsure and not much is known about theropod teeth from Madagascar. 

 

The good thing is the tooth has some nice serrations on both the distal (12 in 5 mm) and mesial (near tip - 10 in 5mm, near bottom 12 in 5mm although couldn't take count towards centre accurately) and I need a proper microscope to verify. I have pointed out in the 5th pic roughly where I took the serration counts from.

 

[Jaimin013]

Spinosaurus tooth

Kem Kem beds, Morocco

Just under 5 inches

 

I was pleasantly surprised when I received this tooth today. I noticed that it has some really nice serrations on the distal side. I've seen small teeth with serrations but with one this large it's harder to find as they are often worn. Hopefully the pics on my mobile phone clearly shows this. It's a fairly common tooth however it's getting more difficult to find ones without restoration and this one has none at all. Matrix is attached towards the root on the other side.

 

[Tidgy's Dad]

Really love the new Spinosaurus tooth. 

But you should really send it back to it's home country, you know. 

I'd take care of it for you. 

[Jaimin013]

3 minutes ago, Tidgy's Dad said:

Really love the new Spinosaurus tooth. 

But you should really send it back to it's home country, you know. 

I'd take care of it for you. 

Thanks it's the only Spinosaurus tooth in my collection! Haha I can send it to you only if you promise me to send it back