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Can ayone help ID this jaw with teeth? It is encrusted with oxidized blue-clay, and was found in a creek here in SW, MS. Tumbling has created the exposed parts.

I visited an estate sale close to my home. Down in south Central Texas. I picked this "rock" up because it glittered beautifully in the bright sunlight. As I studied the rock, a head began to take shape...

Hello, I am hoping someone can help me! I have a Daspletosaurus tooth from the old man formation. It was found with a coarse, tar like substance stuck around the tooth (shown in photos) that won’t come off. I’ve tried rubbing acetone but that didn’t work. I tried picking a piece off but the enamel came with it. Are there any alternative methods I can use without risking any damage to the tooth?

Hello everyone, I'm looking for people who have teeth fossils collections to help build a dataset for my graduation project which will be an application that does identify a tooth and extract information from the tooth image. If you don't mind sharing your dataset or a subset of it, please reply to this topic or PM me. Thanks in advance.

Hi all, I have these teeth that I am trying to identify please. Thanks.

Hello everyone, I'm looking for a professor in this field or someone with any sufficient knowledge in the matter of question, what can we obtain from looking at a tooth of an animal? The purpose of the question is to learn and design an Image processing algorithm that shall do the work for non-experts who would find a tooth of a fossil. So far, I've come to know it is easy to determine if the animal is carnivorous or herbivorous. But I don't know how to do it myself yet. Any help?

Most of what I found in sand at home. More fish teeth than shark at this small size.

Hello! Is this a Tyrannosaurus Rex tooth? Found in Hell Creek Formation of Garfield County, MT Tooth measures 1.75 inches, see picture with caliper Thanks in advance!

Hi Total novice here! This is what we found yesterday at Bawdsey Suffolk. We cannot be 100% sure on any of them, so any help in ID ing would be most appreciated. Thank you

I recall reading on the boards somewhere before that hadrosaur tooth crowns can sometimes be assigned to either the Lambeosaurinae or the Saurolophinae if enough of the crown is present. I was wondering if the same can be said for ceratopsid teeth? Can ceratopsid teeth from localities in which members of both subfamilies are known ever be identified down to subfamily? This question was prompted by both general curiosity and by the fact that I occasionally see isolated ceratopsid teeth sold down to the generic level (ie, one seller who has listings for Avaceratops, Judiceratops, and Medusaceratops spitters), and although I am almost certain you cannot make a generic-level identification of isolated teeth it does make me wonder whether or not these "identifications" could be based on subfamily designation? And if so, what's the diagnostic character/s for each?

Hello, I am trading my Saurornitholestes sp. from the Aguja Formation of Brewster County, Trans-Peco region, Texas for another rare dromaeosaur tooth. I do not mind an indeterminate genus or species as long as it's from a rare locality, preferably Two Medicine Fm I already have dromaeosaur teeth from the following localities: Hell Creek Fm Judith River Fm Horseshoe Canyon Fm Lance Fm Kem Kem Grp So ideally, I'd like a dromy tooth from another formation. Thank you

I found this shark tooth in a shell pit near Orlando Florida. Was hoping someone could help identify it, and possibly an estimated age. This is my first large and perfectly intact tooth, so I'm pretty excited to find out what it belonged too.

I have two teeth up for trade. A 30mm Timurlengia tooth from the Bissekty Formation of Uzbekistan and a 40mm Sarcosuchus tooth from the Elrhaz Formation of Niger. I'd be willing to trade one or both of these teeth for any of the following: Postosuchus tooth Dimetrodon tooth Tylosaurus tooth (Preferably North Sulphur River) Deinosuchus riograndensis tooth Aguja tyrannosaur tooth I live in New Zealand but am willing to send these anywhere in the world I can. Thanks in advance.

Hello everyone! Got this interesting find from Myrtle Beach that I could use some expert opinions identifying. Any and all help is greatly appreciated and thanks in advance! I think it might be a small fractured crab claw.

First of all - sorry for bad and rude language)) So, I need some help with identification of this teeth. All was found in Russia, Trans-Urals region, in a few different rivers: Belyakova, Sugatka and Derney. There must be Eocene period, probably lutet or barton layer, but I can't be sure, because there is no bedrock, only fossils that river stream brings. Sometimes me and other people found there more old fossils, back to cretaceous even. I showed this photo to few reptile specialists from Saint Petersburg, but they sure that is no crocodile teeth, and insist that is a fish teeth. But i have fish teeth from this region, and they looks different. There we can found Palaeocybium, Scomberomorus, Eutrichiurides and even Sphyraenodus species teeth, and all they looks like different to this teeth. So, what is it? Some new fish species, crocodile of some another reptile?

Hey everyone, does this look like a tooth? I found this during my rock hunting trip in northwest Missouri near Grand River. It's approx 1.5" tall, 1/2" wide.

Please identify this tooth Found in cretaceous, turonian sandy-limestone in Poland (Górka Pychowicka, Cracow). This rock is amazing, on left there's Ptychodus decurrens tooth too.

Hi all, A bulk purchase of channel deposit material from the Judith River Formation of Montana has yielded these teeth, each of which appears to have some ankylosaurian affinities. I have read @Troodon’s guide on this very topic, but alas I still would like a second look at some of these teeth. I do not have the capacity to take very good macro photos, but I hope that these are passable at least for an initial glance. The scale of each tooth. The numbering on the bottom is centimeters while the numbering on top is in inches Tooth 1: I’m 99% sure this one is ankylosauridae Tooth 2: Might actually be Ceratopsid, but the presence of “denticles” is what’s making me post this one. Tooth 3: Ditto for this tooth, may be Ceratopsid, but we’ll see. Tooth 4: 80% sure this one is Nodosauridae with feeding wear. The opposing side has the distinctive “shelf” that gives the tooth a mitt look. Let me know if a picture of the other side is needed. Tooth 5: Also thinking nodosaur on this one, fairly confident Thanks everyone!

When I go home to Venice, FL I love to look for teeth and fossils. here is some of what I found I either can’t identify or desire validation! thank you 68426771997__5583E755-C0FD-4396-A04A-2F9E53A72A4A.MOV 68426792269__A09ADDCB-E33C-4D7F-88C4-CF73B34B434D.MOV 68426811878__150BA012-C156-445C-AD0D-BD3797AA4993.MOV 68426832807__D54E3555-54E4-468C-8970-64518085AFF6.MOV 68426858651__539C17A0-7384-474E-AC0F-B69A84A6B412.MOV

Wow. This was one of my favorite hunts I’ve had in a long time. I’ve been looking for Paleozoic sharks teeth for a really long time, and have finally stumbled across them. I took a trip out to southeastern Ohio, and I’m not disappointed to say the least. These sites were really small, but I found a LOT of shark teeth, and fish fossils as well. Here’s the finds: Shark teeth: These sharks teeth are a lot smaller than the ones I find at home, but they’re a whole lot cooler since they’re new. This one is broken. This one’s a really nice sharks tooth. That’s probably one of my best from the day. Another broken Paleozoic sharks tooth. The first one I found. I think this is a fish tooth. Yeah this one’s super nice. Another awesome complete Paleozoic sharks tooth from southeastern Ohio. Biggest sharks tooth from this site. About a 1/4 inch big. What an awesome tooth! I think this is a tooth as well. I don’t know whether this is a tooth, or a vertebrae, buts it’s still awesome. All and all, today was a great day. I had fun collecting Paleozoic shark teeth, thank you Ohio!

Hi all! What do you think about this piece? The size is under 2 cm. I'm a bit confused about the structure below the teeth (unfortunately it's shattered and only parts remain). It doesn't look like bone - smooth and transparent and also appears pimply . Is it normal? Middle Oxfordian clay, Moscow vicinity

Hello! Help please with identification. Height - 2,5 mm. Age - Middle Miocene. Location - Western Ukraine. Thanks in advance!

Dredged from the Smallmouth Sands off Weymouth Harbor, Dorset. Specimen is from the Late Jurassic Epoch, Kimmeridgian Age Clay - between 157.3 to 152.1 +/- Ma (million years ago). Specimen has an exposed tooth (root portion) with enamel measuring 4.72 inches in length and 1.67 inches in width (see measurements all taken with digital calipers). Other measurements include 3.38" in specimen width (maxillary bone) Tooth position appears to be tooth #6 from the very tip of the snout, including the two tiny teeth at the terminus. This is based on angle of projection, texture, and the distinctive bone seam that is visible in some of the photos (#12 in particular) as well as the diagram of P. kevani. Tooth position is indicated via a red dot on diagram. There are also sensory pits (foramina) visible on the outer side of the specimen, as well as exposed bone on the inside portion. A few holes bored in the bone from some sort of marine organism (worms perhaps) prior to fossilization.

Location is in Missouri The area is dated to the Pennsylvanian Formation: Muncie Creek Shale Found this very small tooth like structure and was wondering if anyone could confirm if it is a tooth or not. Normally I can identify teeth if they are large enough, but this specimen is very small. I have found teeth before in these concretions but much larger such as a possible Symmorium or Glikmanius along with a tooth from a member of Eugeneodontida. Here are some images I edited that might make some details more clearer:

I decided to take a trip to an Ozan spot after some rain a couple weeks ago. The gravel finds were sparse, but I fortunately remembered to bring some of my trusty excavating tools with me from Dallas to Austin. After the trek to the main exposure at this site, I got to scouring the shaly creek bed. In previous trips, I usually didn't spend much time doing this as I had limited tools for digging. With some newly acquired technology by my side, I encountered a facet of this location I hadn't experienced before. A lot of the fossils that preserve in this formation are too fragile to survive once exposed to the elements. I was surprised to see the wide array of species I had been missing out on in the past. Some things were easy to recognize. I came across a chunk of matrix filled with fragments of heart urchins. Not much of it was worth keeping even after I poked and pried my way through it. In the end, I only decided to keep what I think is a long urchin spine (B) with some echinoid bits on the underside. I also found some crustacean parts for the first time in the Ozan (C). I believe I managed to find the scattered remains of what once was a decently sized crab. It's extremely fragile and there appear to be limbs scattered every which way. I got to this ID by spotting a couple of spiny shelled projections poking out at various points. Later cleaning revealed some more. The thing is so destroyed, however, I might give up on it. I also came across what looks like a piece of a crab claw. My most enigmatic find was something I almost overlooked completely. Here and there throughout the exposure were these broad, dark patches of shale (A). I assumed they were flat, but when I accidentally kicked one, a section popped right out of the matrix and revealed its 3D nature. After working out the others parts by it, I noticed that these things had some regularity to them and perhaps were the remnants of an animal or plant or whatever. On both sides of the specimens, there appears to be a darkened indention running down the midline. I also noticed curved lines running across the pieces in a pattern reminding me of the banding found on the shells of baculites. The cross section of these finds appear to just be shale and do not present much information. The pieces start off wide and gradually thin themselves towards one side before ending in a point. I wish I took pictures of them in situ, but I unfortunately only have pics from my room. One specimen had pyritic inclusions which are typical for fossils from this exposure (I've seen pyrite in bones, crustaceans, urchins, oysters, etc.). When I look at them, I start thinking of cephalopods, but that's a big jump. They could be some sort of trace fossil, but that doesn't quite feel right. I don't know if any Ozan experts on here will recognize these, but I am really curious to try and pin down some ID if there is one to be found. To round off the trip, I also came across a horn-shaped coral (D) that I suppose washed down from the Austin Chalk up stream. Some more typical finds (E) were also to be had. It was nice to get back out and enjoy the cool waters of an Austin creek. I won't be sticking around long, however, as I am about to make a couple of trips across Texas for school interview stuff in the near future, so look forward to future posts outside of my usual grounds. Picture: A). Main Enigmatic Finds. This is the bigger piece. It continued under the shale below the unstable wall of the creek. Decided it was dangerous to dig to the end of it. Second piece I brought back. Much smaller, has pyrite, and still partially in the matrix B). Urchin Spine? C). Crustaceans. The top shows the pyritic scattered one. The bottom shows the claw. D). Coral I think washed from the Austin Chalk. E). Typical finds (Goblin Shark teeth on the left and enchodus tooth on the right. Small mosasaur vert on the bottom I think from the Austin Chalk) Thanks for reading!