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Found 53 results

  1. 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.
  2. 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
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. my son found this at a beach while we were vacationing in Riveria Maya Mexico. we all think it looks like a tooth but it feels like a rock. it's about 4 - 5 inches long (about 12cm). here are the pictures.
  9. Help to ID

  10. Help to ID

  11. Help to ID

  12. Help to ID

  13. Help to ID

  14. Help to ID

  15. Help to ID

  16. Help to ID

    Friends, this time I seek the help of a connoisseur of fossil corals, they are from the Neocomiano (Lower Cretaceous), from a town near Tehuacán, in the State of Puebla (Mexico). The scale is in centimeters. I appreciate your help because although I have dedicated myself to reading the scientific literature of the area, I am an amateur, and many of them are very similar. Of those who have an idea, I put their name for them to say. regards
  17. Stalactite

    I purchased this in Mexico legally many years ago. It was brought back through customs and inspected. Is this a stalactite and is there anyway to know it’s approximate age? Thank you.
  18. A new paper regarding toothed mysticetes is available online: Azucena Solis-Añorve; Gerardo González-Barba; René Hernández-Rivera (2019). "Description of a new toothed mysticete from the Late Oligocene of San Juan de La Costa, B.C.S., México". Journal of South American Earth Sciences. in press. doi:10.1016/j.jsames.2018.11.015. Niparajacetus is the second Oligocene mysticete to be described from Mexico and the southernmost occurrence of an aetiocetid-like mysticete from the Pacific Coast. I wanted to see if anyone has a copy of the this paper because there's no free access at the website for this paper.
  19. Help ID Ammonites from Mexico

    Friends, I seek help to classify them, I have acquired them over the years without any reference. What I have been able to investigate is that they are from the Kimmeridgiano-Portlandian, probably from the formation "cañon of las lajas" (San Luis Potosí, Mexico) .I look for your name and surname.
  20. First Parkosaurus EVER Found In Mexico!!!!!!!!!!!!!!!

    https://mexiconewsdaily.com/news/parkosaurus-fossils-are-first-ever-seen-in-mexico/
  21. Hi there. I found this several years ago in Tamaulipas, Mexico. I guess it’s a tooth of a a mammal... but I don’t have the slight lest idea.
  22. A new mysticete-related paper is available online: Hernández Cisneros, Atzcalli Ehécatl. 2018. A new group of late Oligocene mysticetes from México. Palaeontologia Electronica 21.1.7A 1-30. https://doi.org/10.26879/746 palaeo-electronica.org/content/2018/2147-oligocene-mysticetes-from-mexico The discovery of Tlaxcallicetus represents the second named species of Oligocene chaeomysticete from the eastern Pacific and only the third named species of Paleogene mysticete from that region, the other being the late Eocene Mystacodon from Peru. Thanks to the discovery of Sitsqwayk from Washington State, Tlaxcallicetus shows how much more is to be learned about early chaeomysticete diversity in the Pacific because the vast majority of Pacific chaeomysticetes from the Oligocene have been found in New Zealand (it's possible that there may be an undescribed Oligocene mysticete fossil in museum collections in California, or mysticetes preferred pelagic habitats in California in contrast to the Pyramid Hill odontocetes).
  23. Ancient human, giant sloth remains found in world's biggest flooded cave. Bones of Ice Age animals, including elephants and bears, found in Sac Actun system in Mexico. Thomson Reuters Posted: Feb 20, 2018 http://www.cbc.ca/news/technology/mexico-flooded-cave-1.4543416 https://www.gob.mx/cultura/prensa/dan-a-conocer-hallazgos-en-el-sitio-arqueologico-sumergido-sac-actun Yours, Paul H.
  24. How VR Helped Archaeologists Excavate a Fossil-Rich Submerged Cave NOVA, Evan Hadingham, Feb 8, 2018 http://www.pbs.org/wgbh/nova/next/tech/how-vr-helped-archaeologists-excavate-a-fossil-rich-submerged-cave/ A apper is: Collins, S.V., Reinhardt, E.G., Rissolo, D., Chatters, J.C., Blank, A.N. and Erreguerena, P.L., 2015. Reconstructing water level in Hoyo , Quintana Roo, Mexico, implications for early Paleoamerican and faunal access. Quaternary Science Reviews, 124, pp. 68-83. http://www.academia.edu/19358907/Reconstructing_water_level_in_Hoyo_Negro_Quintana_Roo_Mexico_implications_for_early_Paleoamerican_and_faunal_access https://www.sciencedirect.com/science/article/pii/S0277379115300330 Yours, Paul H.
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