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Found 71 results

  1. I have been traveling to Mexico City for decades and have brought back some pretty incredible stuff. I met a kid who sold me some fossils over the last year or two. There was a stingray, a seahorse, and some other interesting stuff. Then a couple of weeks ago he sold me this. I attached the picture of my friend holding it for scale. He told me it was a juvenile Trex. I was skeptical. "How do I know it is real?" I asked. He replied "Because you can't light it on fire. It isn't paste". Not only do I doubt this is real but I now question all the others I have bought in the past. Can anyone tell me how I can be certain this is a fake? I appreciate everyone's time. And thanks for putting up with a newby. Rick
  2. Allegedly new fish species from Vallecillo

    Hello everyone, I saw this specimen for sale as a new species from the Vallecillo quarries. I haven’t seen something like this from this formation. Does anyone have any idea of what species might this be? The size of fossil is approximately 40 cms long. The size of the matrix is 63 cms * 43 cms. The pictures were not taken by me. Thanks everyone.
  3. Over 200 mammoths as well as camels and horses discovered at current airport construction site in Mexico: https://www.cbc.ca/news/technology/mammoth-graveyard-1.5712058
  4. Mexico Fossil Laws

    I've read many times on the Forum that there are strict export and collection laws in Mexico because they may consider fossils to be national treasures. I have one supplier insisting the exact opposite - that there's no such law on exports nor collecting and that there was one mistaken case years ago, though that person received their fossils back when the law was made known to the Mexican authorities who confiscated them initially. Evidently there is the idea that the export of fossils is strictly mandated in Mexico. I'm not sure now where it came from. I'd like to read these laws, but for my part cannot find them. Does anyone know where I might look?
  5. mystery shark jaw

    Hey there! I need some help identifying this shark jaw that I received as a gift a few years ago. All I know about it is that it came from Isla Mujeres, Mexico. Its about 23 centimeters in width and about 8 centimeters from the top of the mouth to the bottom, my apologies for how gritty the pictures are, my phone camera is not the best.
  6. Playa sinkhole opens up a large cave beneath highway Explorers find 2 1/2-million-year-old sea snail fossils https://mexiconewsdaily.com/news/playa-sinkhole-opens-up-a-large-cave-beneath-highway/ https://www.voanews.com/americas/mexican-highway-sinkhole-reveals-fossil-filled-cave Yours, Paul H.
  7. Stone Fossil ID

    Hello everyone, Does anyone know what it could be? ... is this Geologic or fossilized?, if it’s fossilized, what did it come from? And if so would it be a finger, or toe bone ? Found in the country of Mexico, specifically in the state of Guerrero, in a limestone mountain near some volcanic area or with tectonic plate activity, because there is quartz in the surroundings. I have never come across anything like this and around the discovery there are some pieces like these with some similar characteristics Thank you!!
  8. New ornithomimosaur from Mexico

    A new paper is available online if you're interested: Claudia Inés Serrano-Brañas; Belinda Espinosa-Chávez; S. Augusta Maccracken; Cirene Gutiérrez-Blando; Claudio de León-Dávila; José Flores Ventura (2020). Paraxenisaurus normalensis, a large deinocheirid ornithomimosaur from the Cerro del Pueblo Formation (Upper Cretaceous), Coahuila, Mexico. Journal of South American Earth Sciences. in press: Article 102610. doi:10.1016/j.jsames.2020.102610. Paraxenisaurus constitutes the first record of Deinocheiridae in North America, and it also represents the second ornithomimosaur to be described from Mexico ("Saltillomimus" is waiting to be published). The question now is whether a number of specimens found in the late Campanian-Maastrichtian of New Mexico assigned to Ornithomimidae could be similar to Deinocheirus and Paraxenisaurus.
  9. Unknown Jawbone Please Help

    I found this jaw bone in mexico on a beach and have no idea what it is. It’s blue which i think is especially weird. Thanks for all your help! One picture is next to my dog for size lol.
  10. Hello, I found this fossil last spring break, in Coahuila, Mexico. It comes from the late Campanian (73-71 Myrs) Cerro del Pueblo formation. I found several fossils at the same location where I found this fossil. Some of the fossils I found include Cerithium snails, several species of Physidae freshwater snails, Inoceramus sp., petrified wood with teredolites, ammonite fragments, a caudal vertebra from a Hadrosaurid, and plenty of dinosaur bone fragments. The formation is a mess, it’s composed of layers that were deposited in marine, and terrestrial environments, as well as rivers and possibly swamps. Even though I’m very knowledgeable of the formation, and the fossils that have been found there I still have no idea as to what this specimen is. My best guess at the moment is that it’s some type of plant material maybe a fruit or a seed. There have been numerous plant fossils found at the formation, including fruits. I also think this could be embedded in a coprolite, with the rounded object being embedded in it. Let me know what you guys think about it.
  11. Theropod caudal vertebra?

    Hello, this spring break I found this vertebra in late Campanian sediments from southern Coahuila, Mexico. It comes from the Late Campanian, Cerró del Pueblo Formation, around 73-71 million years. This was found along with marine and terrestrial fossils. It is about 1 cm long (3/8) of an inch, 1 cm in width, and 1.1 cm in height. I want to know what type of dinosaur this vertebra belonged to and whether it’s a caudal vertebra or not. My thoughts on this specimen at the moment, is that it’s probably a caudal (tail) vertebra from a small theropod dinosaur, something like a dromeosaur or a troodontid. I hope some dinosaur experts on this forum can give me more insight on this small vertebra.. Side view Other side Front view Bottom Top view
  12. Hey all, I was just wondering if there has ever been a study comparing fossils of the organisms trapped in amber to similarly located/aged "conventional" rock fossils. It would certainly be interesting to see how the organisms compare between the two forms of preservation- one as a flattened impression and the other looking like it was just alive yesterday.
  13. Ammonite Unknow Species

    I have the shown ammonite in my collection. It is from the north part of Baja Mexico.I obtained this in the early 1980's. I did not receive a label with it and would like to know the species. Also you can see it has broken. I believe it is along a natural fracture the was repaired when collected. The specimen itself has a diameter of 15". Can you recommend someone to repair?
  14. Belonostomus non det.

    From the album Vertebrates

    Belonostomus non det. Early Cretaceous Tlayua Mexico
  15. Mexico mammoths: Human-built woolly mammoth traps found in Tultepec BBC News, Latin America, November 6, 2019 https://www.bbc.com/news/world-latin-america-50330717 Descubren en Tultepec, Estado de México, contexto inédito de cacería y destazamiento de mamuts Instituto Nacional de Antropología e Historia (INAH), November 6, 2019 https://www.inah.gob.mx/boletines/8647-descubren-en-tultepec-estado-de-mexico-contexto-inedito-de-caceria-y-destazamiento-de-mamuts Yours, Paul H.
  16. Fossil fish or marine reptile?

    This fossil was found last week by a worker of the quarry. I haven’t seen this kind of fossil before and is definitely an uncommon one around here. The fossil is not in a really good condition. I’ll post two pictures hoping I can find some help from you guys. The largest teeth are almost 1 inch long. Thanks a lot!
  17. Megalodon hunting in Baja California

    Giant sharks south of Ensenada American fossil hunter returns his finds to Baja By Daniel Powell, San Diego Reader, Sept. 11, 2019 https://www.sandiegoreader.com/news/2019/sep/11/feature-giant-sharks-south-ensenada/ Yours, Paul H.
  18. Hello, I recently acquired some fossils from the Vallecillo member of the Agua Nueva formation. The Agua Nueva Lagerstätten is famous for its perfectly preserved fish and marine reptiles. It is late cenomanian in age about 90-93 million years old. I got two large ammonites from one of my trips to Mexico. I was wondering if someone can identify it to the family, and possibly the genus level. They are preserved in a finely bedded shale. This one one is the largest one it is about 8 inches long.
  19. ID for this shark

    Hi there! This is my first post at Fossil Forum, hope this information could help in getting some help to identify this fossil. It was found at a quarry in Vallecillo, Mexico (northeast part, less than 100 kms from Laredo, Texas). The fossils found here belong to the the Vallecillo member from the Agua Nueva formation, aparently from late Cenomanian to early Turonian. The full length including the separate vertebrae is aproximately 29 inches or 74 centimeters. The longest tooth is aproximately 1.4 centimeters long. I was only able to post a single picture, hope it helps.
  20. Interesting article. This cave seems to be loaded with history making fossils. https://www.foxnews.com/science/ice-age-bear-and-wolf-like-creature-found-in-underwater-mexican-cave
  21. Mexico Meg Teeth

    Has anyone seen Meg teeth from Mexico? I'm currently working in Mexico and one of my coworkers is trying to sell me a big Meg tooth that looks very similar to the North Carolina teeth.
  22. Found Giant Oyster?

    Hi, I found this giant oyster in the Mexican Golf. It weights around 13kgs. I found this article about something similar, where they did a MRI on the oyster. - https://www.dailymail.co.uk/sciencetech/article-2154813/amp/The-100-million-year-old-oyster-times-normal-size-undergo-MRI-scan-contains-worlds-biggest-pearl.html and here the same story with more details, but in spanish - https://insolitonoticias.com/ostra-fosil-de-145-millones-de-anos-podria-contener-una-perla-gigante/ Cheers.
  23. Encope borealis (A.H.Clark 1946)

    From the album Echinodermata

    9cm. Sand dollar. I'm assuming that this comes from Pleistocene layers somewhere in Mexico. The seller had no idea, but fortunately the friends here in the forum did.
  24. Encope grandis (Agassiz 1841)

    From the album Echinodermata

    9.5cm. Sand dollar. I'm assuming that this comes from Pleistocene layers somewhere in Mexico. The seller had no idea, but fortunately the friends here in the forum did.
  25. Mellitella stokesi (Agassiz 1841)

    From the album Echinodermata

    9.5cm. Sand dollar. I'm assuming that this comes from Pleistocene layers somewhere in Mexico. The seller had no idea, but fortunately the friends here in the forum did.
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