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Guide to Help Purchase Rooted Moroccan Theropod Teeth
Troodon posted a topic in Is It Real? How to Recognize Fossil Fabrications
We very often see collectors asking if the tooth they are looking to purchase or have in their collection been restored, extended or is fake. Most all the teeth in question come from Morocco and are Spinosaurid (sold as Spinosaurus) and Carchardontosurid (sold as Carcharodontosaurus). Sellers sometimes are aware of what they have and will state the resto and repairs, others may just be clueless, and others may just be deceptive. Bottom line you always need to be very cautious with of any of these purchases. How to avoid disaster 1) Buy high quality teeth, yes it will cost you more, but it may be the only way to insure you are getting what you are looking for. 2) Become educated on what good and bad teeth look like and hopefully this topic may help. 3) Unless you are a real expert post your interest here on the forum before you purchase. 4) When buying anything online make sure it can be returned for a full cash refund 5) No guarantee but purchase from reputable dealers. Avoid auction sites they typically have the most problem teeth. Characteristics of Theropod roots: : Roots are not solid they are typically hollow and thin walled : Although they are all slightly different depending on jaw position they may or may not have a lingual or labial depression which may begin in the crown. Some may have a cavity, resorption pit, where the replacement tooth sits : Roots should have some taper from the lingual to labial side, Spinosaurid roots are not round : Roots may have a sheen depending on preservation. Here are a few in my Collection to see what high quality rooted teeth should look like Juvenile small Spinosaurid tooth What are red flags: : Matrix, matrix and matrix. Moroccan's use it to hide defects, composites or repairs. Avoid avoid ones that cover large areas.. : Colors, Colors and lots of different colors.... : Different surface textures. Look at the examples there is a consistency in color and texture. The surface is homogeneous.. : Teeth with long roots should be priced accordingly. If you are looking at something big and all real it will be expensive. : The transition between Crown and Root should be smooth, no bumps, gaps and areas of fill My Recommendation: Save your money and only purchase teeth that have clean roots. Don't waste your time figuring out if it's been repaired, composited etc. or hoping its good. Photos may not be adequate to see everything. UV lights typically do not work on Moroccan matrix resto. Best to be able to see what you are buying and not rely on guess work. These clean rooted teeth are available you just have to be patient and be willing to pay more. Now the ugly Everything I've mentioned is seen below Extended Fake root Orginal root Extended Seller said this was composite Fake Root, Looks like a Cylinder Fake root, Wrong shape Extended Banana Spino Tooth . Who can say whats going on here Fake Root Fake root, Crown that has repaired/restored??? Composite using matrix fill- 8 replies
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- carchardontosaurus
- kem kem beds
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I finally made a start with a project I was planning for a while now: drawing the Kem Kem dinosaur fauna! First I will draw each dinosaur individually and then I will combine them all in one big landscape. As you can probably tell, I am not aiming for 100% scientific accurary. I do however try to take into account what I know about these animals and what is known about their skeletons. This is the first one and probably the most iconic of them all: Spinosaurus. I will give regular updates here about this fun project, so stay tuned!
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- digital art
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Hi guys I have these 3 similiar mosasaur teeth that I was wondering if it was possible to identify, are they prognathodon thanks! 1. 2. 3.
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Please tell me what brachiopods are these? They come from Morocco, Devonian-Carboniferous. Thank you!
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- brachiopod?
- carbon
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Never surprised at what may pop up in the Kem Kem, another twist, we really do know so little. All those collectors that think they have big teeth from Deltadromeus may have to change their thinking. Nothing here is set in stone, we still need a skull to fully describe this dinosaur. Christophe Hendrickx posted this: "According to this abstract, Deltadromeus would no longer be a noasaurid ceratosaur or a neovenaptorid allosauroid but a basal ornithomimosaur! This taxon moves so much along the theropod tree. It really needs a detailed description!" This is an abstract from a talk by Max Kellermann best image I can find
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- deltadromeus
- kem kem group
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Spinosaurus Claw Fossil from Morocco
Alston Gee posted a topic in Is It Real? How to Recognize Fossil Fabrications
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Hi, Was just wondering if this is really a Spinosaur jaw fragment because most I see labelled as that turn out to be Croc instead. It is a small fragment at 6.5cm in length and comes from the Kem Kem. Thanks!
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Welcome to... my tiny dinosaur museum! I used to work at the largest natural history museum of the Netherlands and now I created a little copy of my own. I just recently started collecting dinosaur teeth from Morocco. At the moment I have 7 teeth: two Spinosaurids, one Carcharodontosaurid, 3 Abelisaurids and a Titanosaurid. As you can see, I also like to collect dinosaur models that are more or less accurate according to latest insights. The museum is still under construction: the labels are not correct (this is what I got from the fossil dealers, I need to make better ones) and I need more figures (I really hope one of my favourite manufacturers will produce a nice Rugops in the future) and teeth. Those Dromaeosaurid models are obviously out of place, but they will stay as long as I do not have more appropriote models. The next few teeth I would like to add are one bigger Carch, one specimen of the teeth that are often labeled as Deltadromeus and one or more Dromaeosaurid-like teeth. I do not know many good dealers in the EU, so if anyone has any tips that would be greatly appreciated!
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- dinosaur
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Unbelievable pterosaur diversity in this part of North Africa. This paper describes a unique small, long-beaked pterosaur from the Kem Kem Group of Morocco. Does not appear to be named. Paywalled https://www.sciencedirect.com/science/article/abs/pii/S0195667120303293
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- cenomanian
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I got this Palaeophis vert recently and I'm just wondering if it's fake or not. From Khouribga, Morocco.
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The only information that I have on this one is that it's from Morocco, Middle Cambrian and Cambropallas. The piece is ~10.5" x 8. I only have the one picture, but might be able to get more if needed. As always, thanks!
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- cambrian
- cambropallas
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Theft of a Spinosaurus Hand Claw from Tucson Show
Troodon posted a topic in General Fossil Discussion
I just want to let everyone know that there appears to have been a theft of a big and beautiful Spinosaurus Hand Claw at the Tucson Show. Would like everyone to be on the alert if they see one offered for sale. Thanks Contact: Kendal at geosourcellc.az@gmail.com- 26 replies
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Hello, friends! I am currently sorting through my Devonian trilobites from that rather wonderful country - Morocco! Now I picked this first one up from a shop that had a whole table covered in the same species, and boxes underneath. The proprietor only knew they were from south west Morocco, but I was fairly certain from my accrued knowledge that they were "Izi", the Amazigh (language of the indigenous Berber people) for flies as they are so numerous at some localities. This is thus likely to be Gerastos tuberculatus marocensis, and since they were cheap as chips and I haggled, I left with this one in my greedy paws. Not perfect, but nice enough as an example of the species. It's a very small bug and i've only done a teensy bit of my own prepping on it so far. At a junk shop in Fes, I found a box with about twenty poorly prepped trilobites that again I was able t purchase at very little cost, just a few dollars each. These look like they've been used for trainees to practice their prepping and then discarded. Common enough species, but with a bit of fiddling they can end up looking reasonable. One of the specimens seems to be Gerastos, but it's a lot bigger than the first one and the dimensions look a little different. Is it the same species but with regional or chronological variation? The little one is probably Upper Emsian, are the Eifelian examples bigger? Is it another species of Gerastos from the Middle Devonian? Or another proetid genus? Just that I have a small one and a big one? I would be interested in anyone's thoughts on this, please. I have done a moderate amount of pin prep on the larger specimen, but it's hard work and I'd like to know if it's worth continuing. Here are some of the other trilobites from the box where the bigger one was found. Looks like the same matrix and prepping style to me, different coloured rock to the first specimen. Haven't prepped or formally identified these yet, but maybe Hollardops, Coltraneia, and something akin to Cornuproetus? Possibly from the same locality, maybe not or if so maybe different levels? No way of knowing. Thank you to all who take a look and double thanks for any helpful comments. @piranha@Kane
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- foum zguid
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Got looking through some of my older stuff, from years back, when I was a bit naive. I have three Moroccan fossils, or at least labeled as such. One is undoubtedly real and only its ID is in question; I'll make that a separate post elsewhere. But I thought I'd check my evaluation of two trilobite fossils. Apologies that the photos aren't better. Real? Not an expensive offering, and not apparently a rare variety for Morocco. A hot needle does not mark it. Under the loupe, there are no obvious bubbles in the surface, and there are defects that seem filled with calcite crystals. There is a fair amount of matrix that has not been completely cleaned out of the grooves and sides, and it matches the rest of the rock. Does not mind a hot needle (left no mark). The one thing that makes me suspicious is the area immediately beneath the cephalon, which looks like it might have been glued. So fake it's embarrassing: Seems almost painfully obvious it's been cemented onto the rock. Offered for a pittance. The surface has numerous bubble voids. And, yes, a hot needle melts a small hole into the fossil. So tell me if my BS-O-Meter is malfunctioning?
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New paper on cf. Spinosaurus dental pathology. https://www.sciencedirect.com/science/article/pii/S0195667123000277 Paywalled
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- africa
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Pterosaur bone with maybe some repair work?
msantix posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hi, I have been offered this Pterosaur bone that looks possibly like a Pterosaur metatarsal but even after getting more photos of the fossil, I am not too sure if there has been work done to it, and this is why I want to post it here and get some opinions before doing anything else. I have some small concerns about the joint part. It comes from the Kem Kem. Thanks and I hope the photos are sufficient to determine how real it is! -
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- ammonite
- cretaceous
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New paper on Kem Kem pterosaurs. Open Access. https://link.springer.com/article/10.1007/s12542-022-00642-6
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- africa
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For a friend of mine. ID'd as a partial fish skull. Found in the KemKem beds. Honestly no idea what it actually is. So give it a shot here.
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We got a nice and original claw from morocco. I think it´s a spino foot-claw, but I am not 100% sure. Little bit eroded, so it is not as high as it should be. Has some color and lasure on it, so for the moment the color seems to be a little bit different on some places. Has some filled cracks, but not mounted Size is approx. 9x4x2,5 cm (around 3.6 x 1.6 x 1 ") What do you think?
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Hello. I bough this item from a fossil shop in France years ago. I am wondering whether it is Drotops megalomanicus and more importantly if it is a fake. I hope you can tell from the photos. Recently members Coco and JBKansas helped me identify some fake ammonites I thought were real fossils. Thank you in advance for your reply. Constantinos.
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- drotops
- drotops megalomanicus
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Buonasera ! Browsing online looking for KK teeth, I came across a site that sells several products, including these "raptor teeth" from KK. Is this plausible? I don't think I've ever read about dromaeosaurids found in the KKB, furthermore some would seem to have the appearance of being small carcharodontosaurus teeth...
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- dromaesaur
- kem kem
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GONE **** Original Spinosaurus footclaw for trade
JorisVV posted a topic in Member-to-Member Fossil Trades
Hey everyone. Im looking to trade my big 5'15 footclaw of a Spinosaurus. Im myself looking for mostly african theropod teeth. Especially carch and spino. Feel free to dm.