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I found this fossil in lo valdes, Chile.

Hello! I was hoping someone could help with identifying this fossil. It was found at an abandoned rental property in Copperas Cove, Texas about 15 years ago. I do not know where it was originally found. I hope these pictures are adequate. Thanks for any help!

Hi all - found a small outcrop in an area mapped as “Eagle Ford Group and Buda Limestone undivided.” I filled a plastic bag with crumbly matrix and have so far found 2 Ptychodus teeth amongst other shark and fish teeth and fragments. Can anyone help narrow down an ID on these two? I’ve also included a photo of some of the matrix I gathered. Curious if anyone can tell the age or more details based on its appearance and the IDs of these teeth. Thanks!

Hello! I got these two new mosasaur tooth and anybody have ideas what kinds or kind do these belong to? Thank you!

I could use some help identifying this extremely large echinoid. I believe it is from Sardinia, Italy. Measures - Base 133 mm, Height 107 mm

Hello, I have a few specimens my kids and I have found and need help identifying, if they are indeed fossils. I included a dime for size reference, but will try to include a measurement also for each: The first two images are a swirl shape in rock (I was hoping it was a shell) about 4 centimeters across The next images are of two round things (1.5 and 2 cm across) embedded in a rock, there are crinoid stems embedded near them All were found in Hamilton county Tennessee. Thank you for any info

Hi, Can someone please help me identifying this little fossil? This is the info I have about it: Size: 16mm Location: Närke-län, Sweden Age: Middle Cambrian Additionally, there are some other elements in the plate and I was wondering if they are of any significance or if they can be identified (attached close-up images of them as well). Thanks in advance.

Dimensions: To begin, the specimen is 36cm long, 19cm wide at the base (widest point), and about 7cm thick at the thickest point (base). Background: I am a student doing research in the Museum of Biodiversity at Notre Dame. I have begun a project to try to identify many of the fossils in the collection. Many years ago, there was a faculty member who was a paleontologist who collected specimens for many years, most of which now reside in the museum. The issue is that he passed away suddenly and left many fossils without much or any information attached. From what I have been able to gather, most of his fossils have come from the Hell Creek Formation in Montana (66-65 mya, late Cretaceous), due to all of his fossils in field jackets coming from this location (like this one, that I removed from the jacket). All other jackets (that are currently opened) in the museum contain remnants of a triceratops. There are many more that have not been opened from the field, which I believe were collected in the mid 1990s (unimportant). Because of the ambiguous nature of the fossil and my inexperience with fossils (I have just started exploring the field). I am the only person in the museum who has touched the fossils in at least 5-7 years, as there is no full-time geologist or paleontologist on faculty at ND, and the collection is solely taken care of by students who have interests. Identification?: When I first started working on the fossil, it was labelled with an identification as "Fish?". I have absolutely no idea who tentatively identified it as such, and in looking at it, I have no idea what led them to the conclusion. I, personally, do not see anything fish-like about it, sans the vague shape resemblance. Because of this, and my suspicions about where it was found and what other fossils are found at Hell Creek, I thought that it was unlikely a fish. From the concentration of ceratopsidae that are found in the formation and the amount that we have in the museum, I started to explore the possibilities of it being a part of one. Because the museum also has other parts of the same triceratops skull such as two horns, the beak, and one small skull fragment. I first thought that it may be a frill, due to the lines that I thought might be blood lines, which are found on most frill fragments, but the patterns appeared to be different (see photo 2). I then looked into other parts of the skull that might fit this fossil fragment. Following this, and based on the ridge that runs along what I assume to be the back of the specimen, I theorized that the it may be a piece of the squamosal bone morphology of the skull of a ceratopsian. Also, because there are parts of an ankylosauridae in the museum, I thought that it may be an armor fragment. Please know that these preliminary identifications are based on my limited knowledge of the morphology of late Cretaceous animals, and the lack of information I have on this specific fossil. Any help will be appreciated, and I will be looking closely to respond any questions on the subject. Lastly: As I am beginning in the subject of paleontology, where do you suggest that I can get my information? Are there any preferred resources, textbooks, or databases where I can increase my knowledge? Thank you for your help, and I look forward to learning more and maybe eventually contributing to the Fossil Forum when I learn more in the future. I have been using the one textbook in the museum dealing with fossils of these sort, where I read about the frills and skull morphology of ceratopsidae: Romer, Alfred S. (1966). Vertebrate Paleontology. The University of Chicago Press.

hello. on a website i use to buy fossils from some seller posted this tooth and claims to be a tyrannosaur tooth. on reddit some people said it might be shark but other user told me to ask here as it might be some kind of troodon tooth. could you please help me id it and make an idea of the value if i want to buy it? thanks beforehand

Hiya everyone I’m interested in this allocation of mosasaur teeth I know the roots are often faked so any help would be great.

These rocks were in the yard of my house I bought.Can anyone tell me about them?Location is alabama

I have a couple of shark teeth I'm not 100% sure on. I don't have exact provenance but they are almost certainly from one of the lower east coast states in the USA The brown tooth has either a vestigial cusplet or a pathology in the carinae. Someone has suggested Parotodus benedenii but that doesn't seem to fit with the morphology. The grey tooth looks like it could be a Thresher... but that's why I'm here asking you, I'm not sure!

Hi! I received recently several ammonites and I would like to ask for some help identifying the fossils so I can appropriately tag them (species, age, etc) This is the info I received from each fossil: 1. Found in Sakahara, Madagascar. 2. Found in Gundelsheim in Baden-Württenberg, Germany. 3, 4, 5 ,6 Found in Marloffstein, Germany 7. Found in Sengenthal bei Neumarkt i.d. oberpfalz, Germany. Parkisonia. 8. Found in Marloffstein, Germany 9. Found in Saratov Russia, Jurassic. 10. No info 11. Found in Swabian Alps. (are these two real or carved?) Thank you in advance!

I am once again asking for your expertise! This is one of the nicest fossils I’ve found, considering fish jaws and teeth are not that rare - but finding a jaw with teeth inside doesn’t happen that often at this beach. It was found at the Zandmotor beach in the Netherlands. This beach is known for Pleistocene mammal fossils. Fish vertebrae and teeth are also common, which may be way older than Pleistocene. I posted this fossil on Reddit some time ago too, but wasn’t able to get a conclusive answer. Someone suggested it might be amiid, but I don’t think amiid are found here. Could it be esox lucius (pike)? The total length is just short of 4cm. Unfortunately I had to apply paraloid before desalination, because the fossil was already starting to fall apart.

Found this tiny bone fragment at the Zandmotor beach in the Netherlands. Fossils from this beach are mainly from the Pleistocene. I have absolutely no clue from what animal this might be, so I’m hoping somebody recognizes it.

Found this relatively big fish vert at the Zandmotor beach near The Hague, the Netherlands. Usual finds are from the Pleistocene, but fish fossils may be older. Would anyone know what species this vert is from?

Found this fossil at the Zandmotor beach close to The Hague, the Netherlands. Can anyone ID it for me? I thought it might be turtle shell. However, the pattern on the inside throws me off. It is 2,5 cm wide and a little over 2 cm high.

I found this rock in a Mountain river. I doubt its a fossil but Just in case

Hi everyone! I’m new here and new to identifying/collecting fossils. I love beachcombing and sometimes the ocean gives me the special treat of finding a fossil! I found this one loose, laying on top of the sand after a storm in the Northeast Florida Coast region. It feels light and brittle compared to other fossils I’ve held. Any help identifying it is appreciated! I would also like to know how you’ve reached your conclusion so I can also start learning what to look for when identifying fossils. Thanks again!

This bone fragment is from the Late Cretaceous of the East Coast of the US. I am fairly certain it is from a turtle; however, I am not sure if it is a scute or perhaps part of the plastron. As you can see in the photos, it is fairly smooth and has a "airplane wing" shape to its cross section. It also has what I would call a "hole" on the side of the bone. What I am curious about, and perhaps someone with greater knowledge than me about sea turtle might know, is if the shape of the bone fragment and the "hole" are diagnostic enough to tell if this is a scute or part of the plastron, and if so, where it may have been located on the plastron. From my research, it seems like Osteopygis emarginatus is one of the more common turtles found in Late Cretaceous deposits of the Eastern US and is described with a fairly smooth scute with only shallow irregular divots displaying no particular patterns. Could this bone be from Osteopygis emarginatus? An alternative identification based on my research is Peritresius ornatus. Any thoughts would be greatly appreciated!

Hi all - found this in what I believe is an Eagle Ford exposure in Central Texas. I’m still working on my ID skills. Can anyone get it down to genus/species? @EPIKLULSXDDDDD this seems like it would be in your wheelhouse. Thanks in advance!

Friend found this. Its odd and I couldn't tell what it is. Might be naturally occurring. A fossil. Or possibly accidentally produced by some building work. It has the same pattern going down the middle of it too.

Hello friends, I have just received this beautiful fossil tooth from North China and I would like to know if it belongs to a pachyderm or some other species of mammal. As always, I am expectant and grateful for your comments and insights!

This out of all the various sharks teeth I have. Is my favorite tooth. I remember finding it like it was yesterday. I've been told it's a mako. I've been also been let know it could be false mako. See that confuses me to know end. The whole mako/false mako. I have a tough time telling difference. An id would be very appreciated. Thank you.