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  1. Hi all! I found this today on the beach in Yucatan and can’t figure out what it is. It feels like bone and sounds like bone but the teeth are some what flexible. The teeth pattern and shape is irregular and one side seems to have been chopped off. Two local fisherman didn’t have a clue. I’m also not sure it was an animal by the way the teeth originate centered and think it was part of a plant. Does somebody have a clue? Thanks in advance! Niek
  2. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Rough): Weight: 11.8g Dimensions: 33x31x17mm Lighting: 140lm LED Longwave UV (365nm) About the Specimen: A thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV wavelengths in the LED light. There are numerous fossil barnacles and barnacle scars, coating the exterior of the specimen. History: The amber of Chiapas has a history

    © Kaegen Lau

  3. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng

    © Kaegen Lau

  4. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng

    © Kaegen Lau

  5. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng

    © Kaegen Lau

  6. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: Longwave UV (365nm) About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. Numerous flow lines are seen in a radiating "Y" pattern on the bottom-left section of the specimen: the spaces between the lines represent individual resin layers that were produced in succession b

    © Kaegen Lau

  7. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. Transmitted light (LED) from the rear of the specimen displays the depth of the color of the oxidi

    © Kaegen Lau

  8. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Polished): Weight: 11.4g Dimensions: 30x31x17mm Lighting: 140lm LED About the Specimen: This is the same specimen from other entries, but with polished faces that were once broken. The thick, red oxidized layer was formed over millions of years through oxidation during the amber's burial. The blue and blue-green fluorescence is due to exposure of the amber's hydrocarbons to UV waveleng

    © Kaegen Lau

  9. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Rough): Weight: 11.8g Dimensions: 33x31x17mm Lighting: Longwave UV (365nm) About the Specimen: There are numerous fossil barnacles and barnacle scars, coating the exterior of the specimen. History: The amber of Chiapas has a history of use that dates back to the age of the Maya Empire; amber was traded between different tribes, and sometimes sent as an annual tri

    © Kaegen Lau

  10. From the album: Fossil Amber and Copal: Worldwide Localities

    Chiapas Amber Simojovel, Chiapas, Mexico La Quinta Fm./Mazantic Shale (Simojovel Group) 22.8-15 Ma Specimen (Rough): Weight: 11.8g Dimensions: 33x31x17mm Lighting: 140lm LED About the Specimen: There are numerous fossil barnacles and barnacle scars, coating the exterior of the specimen. History: The amber of Chiapas has a history of use that dates back to the age of the Maya Empire; amber was traded between different tribes, and sometimes sent as an annual tribute to ot

    © Kaegen Lau

  11. Brad1978

    Sea creature fossils (part 2)

    I believe this is a petrified sea urchin. Or part of one. Found it on the dry frio River here in Southwest Texas. Anybody know if this species has been found yet?
  12. Brad1978

    Sea Creature fossils (part 1)

    I got this in a creek bed near Uvalde, Tx and it appears to be some kind of worm. Part of one anyway. If you look closely you can see perfectly straight lines running horizontally and parallel to each other to form segments. I believe earthworms have this characteristic. Anybody know what it is?
  13. Hola soy nueva quisiera saber que tipo de fósil tengo es entre piedra y cristal parece azúcar caramelizada Translation: Hello, I am new. I would like to know what kind of fossil I have. It is between stone and glass, it looks like caramelized sugar
  14. From the album: Fossil Amber and Copal: Worldwide Localities

    Image of specimen from previous entry. The fracture is actually a very clean break with only a tiny portion of low-fractile material missing.

    © Kaegen Lau

  15. oilshale

    Belonostomus sp.

    Quote from Ebert 2014, p. 16-17: “The genus Belonostomus Agassiz, 1834b is one of four genera of the extinct family Aspidorhynchidae Nicholson & Lydekker 1889. The other three are the type genus Aspidorhynchus Agassiz, 1833 from mid to late Jurassic marine deposits of the Tethys (Cuba, France, Germany, Great Britain), Vinctifer Jordan, 1919 from Cretaceous marine deposits of the Gondwana coasts (Antarctica, Argentina, Australia, Brazil, Columbia, Equatorial Guinea, Mexico and Venezuela) and Richmondichthys Bartholomai, 2004 from marine deposits of the Cretaceous (Albian) of Queensland (Aus
  16. What kind of crocodile do you think it is? Alligator, Caiman, or another crocodile? The material is from the Mexican Pleistocene, I will not say location to avoid biogeographic influence
  17. Jaime

    Giant 500 mm ammonite México

    Hi guys, Could Any one help to ID this ammonite? It Is from Baja California, México. It measure 500 x 450 mm. It weights over 60 Kg. I bought it, so i have no More data than the state, sorry... Thank you!! Regards!
  18. Iridium in undersea crater confirms asteroid wiped out the dinosaurs Hamish Johnston, Physics World, February 24, 2021, https://physicsworld.com/a/iridium-in-undersea-crater-confirms-asteroid-wiped-out-the-dinosaurs/ Tha paper is: Goderis, S., Sato, H., Ferrière, L, et al. 2021, Globally distributed iridium layer preserved within the Chicxulub impact structure Science Advances 24 Feb 2021: Vol. 7, no. 9, eabe3647 https://advances.sciencemag.org/content/7/9/eabe3647 There are arguments that seismic waves from the Chicxulub imp
  19. I found this specimen along with some other fossils during a fossil hunt. This vertebra is very peculiar and unique, due to its small size, and it’s composition. It is completely permineralized by hematite, making it feel much heavier than the average rock. It almost feels like a chunk of metal. Probably belongs to one of the endemic hadrosaur species of the Cerro del Pueblo Formation, such as Velafrons coahuilensis, or Latirhinus uitstlani.
  20. FossilGuy24

    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.
  21. Hi everyone, I am a double national from Mexico/Canada, and I travel occasionally between both countries. In my time here in Canada I have started a small fossil collection- three sliced ammonites, three cheap trilobites, a Crinoid plate, a 3.5 inch Megalodon tooth, a piece of ammolite and another gemstone. All of these are relatively small in the 1-3 inch range, with the exception of one of the sliced ammonites being 5 inches. I do not have a trip to Mexico planned solidly but I am considering going back eventually once COVID starts slowing down, and I will bring my fo
  22. 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 a
  23. Hello everyone, I'd like to share my extreme budget collection of exotic megs/shark teeth so far, I've have been collecting shark teeth and other for a little over a year and a half now on an extremely tight budget and have been surprised by what I was able to get a hold of so far. Condition doesn't bother me hence the budget but I have been able to find some megs from from interesting locations over the short period of time I've been collecting with a little bit of luck. Locations include Puerto Rico, Cuba, Japan, Hawaii, Morocco, Mexico, Peru, and The Phillipines. Anyone else out
  24. Jose Montemayor

    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.
  25. 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
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