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  1. nathead

    ID help on two finds

    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
  2. Hi all, I have been seeking an isopod fossil for a while. I came across these unidentified Cretaceous marine fossils from Lebanon I know the isopod, Cirolana garassinoi, has been found in that region but these look nothing like that species. Could this be a yet-unidentified isopod?
  3. JulieNC

    Bone and potential 2 teeth?

    Greetings, found on southern North Carolina coast. Subject E resembles a tooth but not sure, subject f is hollow like a tooth, and subject g looks like bone perhaps marine mammal? Thank you for your time.
  4. Lucid_Bot

    I Have No Idea What This Is

    I have no idea what this thing is. I found it in Allegheny County today in the Pennsylvanian Glenshaw Formation in what I think is Brush Creek Limestone. Unfortunately it is only part of the fossil, but I thought the pattern might tip someone off as to what it is. Scale is in metric. Thanks for the help.
  5. MeAmLikeRocks

    Need this marine fossil ID'd

    This fossil was found in Petoskey, Michigan at a beach I'd rather not identify while I was looking for petoskey stones with my family, it caught my eye as looking like a shell of some kind. Since I couldn't come to a conclusion as to what it was I consulted a michigan based rockhounding youtuber who advised me to post here. I cannot, for the life of me, come to a conclusion on what it is with any certainty, please help.
  6. Hey fossil people... more specifically hey Arizona fossil people. I'm wondering if any of you have run across fossilized horn coral in this state? If you have, tell me about it. I'd love to see examples of what you've found. I"ve found lots of brachiopods and other marine life in Arizona but this is the first time I've found horn coral. The idea that Arizona used to be underwater is fascinating to me. Theyre not the prettiest specimens... but i found them and they're mine! Lol. For those wondering, I found these near Payson Arizona. Same place I've found byrozoans, brachiopods, and crinoids.
  7. Saxon Vinkovic

    Devonian Fossils?

    Hi everyone, havent posted here in a very long time. I have been out fossicking a few months ago in a region of New South Wales, Australia in a devonian limestone dominated region. There are entire strata maade up of beds of Spirifer and Orthoceras and an array of corals, therefore its evident this used to be a shallow warm sea, of devonian age. There is this one fossil however, with images (attached to the post) that appears to be a ring almost however it has to layer. I have used a ruler for scale I'm unsure as to what this is and if it is even an animal. Any help would be greatly appreciated. Thanks for your time!
  8. From the album: Fossil Amber and Copal: Worldwide Localities

    "Ajkaite" Ajka-Csingervölgy, Ajka District, Hungary Ajka Coal Fm./Csehbánya Fm. (~86.8-83.4 Ma) Chemical Composition: C: 80%, H: 10%, O: 9%, S: 1-2% Refractive Index: 1.541 Specific Gravity: 1.0 Weight of Specimen: 2.4g Dimensions: 18x14x13mm Lighting: Longwave UV (Convoy S2) Ajkaite is a fossil resin with chemical composition markedly different from succinite (i.e., Baltic amber); it also contains low levels of sulfur. Ajkaite is found within layers of fossiliferous marl (numerous fossil shells can be seen in the matrix in the images): the marl is also accompanied by layers of coal, sand, sandstone, and siltstone. Ajkaite is found in both the Ajka Coal Fm. and the Csehbánya Fm., which two Formations are roughly the same age, and laterally transition into each other. The coal mines roughly 4km southeast of Ajka first began production in 1872, and continued until the last mine was closed on September 3, 2004. Now, Ajkaite specimens can only be found in spoil-banks or refuse piles (Jókai coal refuse) near the city. Various arthropods have been found trapped within Ajkaite, e.g., Araneae (spiders), Diptera (flies), Coleoptera (beetles), and Hymenoptera (ants, wasps). Since much of this amber is typically cloudy, X-ray tomography (CT scan) is often used to visually document the inclusions. Sources: https://www.sciencedirect.com/science/article/pii/S0195667121003451?fbclid=IwAR2in5-wXBSojVWPQKkSwSuEPuZ5Wd77Z5I0iYfRPWHbc5PAHI7gegfmr3o https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2- https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2-JvTOC8CPgd4eft49V5vrItPEtiXd1iWmKkjzd8Vdw75ZXmjGGOIz5jU https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg

    © Kaegen Lau

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

    "Ajkaite" Ajka-Csingervölgy, Ajka District, Hungary Ajka Coal Fm./Csehbánya Fm. (~86.8-83.4 Ma) Chemical Composition: C: 80%, H: 10%, O: 9%, S: 1-2% Refractive Index: 1.541 Specific Gravity: 1.0 Weight of Specimen: 2.4g Dimensions: 18x14x13mm Lighting: Longwave UV (Convoy S2) Ajkaite is a fossil resin with chemical composition markedly different from succinite (i.e., Baltic amber); it also contains low levels of sulfur. Ajkaite is found within layers of fossiliferous marl (numerous fossil shells can be seen in the matrix in the images): the marl is also accompanied by layers of coal, sand, sandstone, and siltstone. Ajkaite is found in both the Ajka Coal Fm. and the Csehbánya Fm., which two Formations are roughly the same age, and laterally transition into each other. The coal mines roughly 4km southeast of Ajka first began production in 1872, and continued until the last mine was closed on September 3, 2004. Now, Ajkaite specimens can only be found in spoil-banks or refuse piles (Jókai coal refuse) near the city. Various arthropods have been found trapped within Ajkaite, e.g., Araneae (spiders), Diptera (flies), Coleoptera (beetles), and Hymenoptera (ants, wasps). Since much of this amber is typically cloudy, X-ray tomography (CT scan) is often used to visually document the inclusions. Sources: https://www.sciencedirect.com/science/article/pii/S0195667121003451?fbclid=IwAR2in5-wXBSojVWPQKkSwSuEPuZ5Wd77Z5I0iYfRPWHbc5PAHI7gegfmr3o https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2- https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2-JvTOC8CPgd4eft49V5vrItPEtiXd1iWmKkjzd8Vdw75ZXmjGGOIz5jU https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg

    © Kaegen Lau

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

    "Ajkaite" Ajka-Csingervölgy, Ajka District, Hungary Ajka Coal Fm./Csehbánya Fm. (~86.8-83.4 Ma) Chemical Composition: C: 80%, H: 10%, O: 9%, S: 1-2% Refractive Index: 1.541 Specific Gravity: 1.0 Weight of Specimen: 2.4g Dimensions: 18x14x13mm Ajkaite is a fossil resin with chemical composition markedly different from succinite (i.e., Baltic amber); it also contains low levels of sulfur. Ajkaite is found within layers of fossiliferous marl (numerous fossil shells can be seen in the matrix in the images): the marl is also accompanied by layers of coal, sand, sandstone, and siltstone. Ajkaite is found in both the Ajka Coal Fm. and the Csehbánya Fm., which two Formations are roughly the same age, and laterally transition into each other. The coal mines roughly 4km southeast of Ajka first began production in 1872, and continued until the last mine was closed on September 3, 2004. Now, Ajkaite specimens can only be found in spoil-banks or refuse piles (Jókai coal refuse) near the city. Various arthropods have been found trapped within Ajkaite, e.g., Araneae (spiders), Diptera (flies), Coleoptera (beetles), and Hymenoptera (ants, wasps). Since much of this amber is typically cloudy, X-ray tomography (CT scan) is often used to visually document the inclusions. Sources: https://www.sciencedirect.com/science/article/pii/S0195667121003451?fbclid=IwAR2in5-wXBSojVWPQKkSwSuEPuZ5Wd77Z5I0iYfRPWHbc5PAHI7gegfmr3o https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2- https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2-JvTOC8CPgd4eft49V5vrItPEtiXd1iWmKkjzd8Vdw75ZXmjGGOIz5jU https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg

    © Kaegen Lau

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

    "Ajkaite" Ajka-Csingervölgy, Ajka District, Hungary Ajka Coal Fm./Csehbánya Fm. (~86.8-83.4 Ma) Chemical Composition: C: 80%, H: 10%, O: 9%, S: 1-2% Refractive Index: 1.541 Specific Gravity: 1.0 Weight of Specimen: 2.4g Dimensions: 18x14x13mm Ajkaite is a fossil resin with chemical composition markedly different from succinite (i.e., Baltic amber); it also contains low levels of sulfur. Ajkaite is found within layers of fossiliferous marl (numerous fossil shells can be seen in the matrix in the images): the marl is also accompanied by layers of coal, sand, sandstone, and siltstone. Ajkaite is found in both the Ajka Coal Fm. and the Csehbánya Fm., which two Formations are roughly the same age, and laterally transition into each other. The coal mines roughly 4km southeast of Ajka first began production in 1872, and continued until the last mine was closed on September 3, 2004. Now, Ajkaite specimens can only be found in spoil-banks or refuse piles (Jókai coal refuse) near the city. Various arthropods have been found trapped within Ajkaite, e.g., Araneae (spiders), Diptera (flies), Coleoptera (beetles), and Hymenoptera (ants, wasps). Since much of this amber is typically cloudy, X-ray tomography (CT scan) is often used to visually document the inclusions. Sources: https://www.sciencedirect.com/science/article/pii/S0195667121003451?fbclid=IwAR2in5-wXBSojVWPQKkSwSuEPuZ5Wd77Z5I0iYfRPWHbc5PAHI7gegfmr3o https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2- https://www.nature.com/articles/s41598-021-03573-5.pdf?origin=ppub&fbclid=IwAR2-JvTOC8CPgd4eft49V5vrItPEtiXd1iWmKkjzd8Vdw75ZXmjGGOIz5jU https://pubs.usgs.gov/bul/1627/report.pdf?fbclid=IwAR142uewIjbJxH2oQDfnoX3j4C0K-cH33lTKfDd7AePr-rfIUQCkPylTmXg

    © Kaegen Lau

  12. Edward Engelbrecht

    Caesar Creek Lake Fossil

    Greetings. I am new to the forum and this is my first post. I'm an amateur collector in Ohio who recently visited the Caesar Creek park and came back with a fossil I can't identify. Here is data about the site: Liberty and Whitewater Formations (Camp, Roadside Geology of Ohio, p. 61) Classified Ordovician Limestone and Shale The fossil is just over six centimeters long. It washed out of the formation naturally; I've done minimal preparation. The fossil has a flattened cone shape. One end has a distinct point, the surface is pitted and wrinkled (skin-like), and there are parallel lines on the opposite end. There are ribbed, tube structures on one side, which I believe are separate fossils (Cornulites or Tentaculites? Thompson, National Audubon Society Field Guide to North American Fossils, entries 345, 346). I polished one edge with parallel lines to see internal structure. When I saw the fossil on the ground, I thought, "Large bivalve" because of the parallel lines. But it is not a bivalve. Though it has a cone-like shape, it also does not look like the horn corals I picked up at the same location. Suggestions would be greatly appreciated.
  13. Het Patel

    A fossilized conch shell?

    Actually I cleaned the shell and removed inner matrix. I got this while digging at beach .
  14. Skellyborden

    Crinoid? Cephalopod? Other marine life?

    Hello all, and thanks for being here! I am looking for an ID on these fossils for my own gratification! My focus is in archaeology, so I come across fossils often during surface collection adventures! A little about the location: These were found in Nancy, Kentucky, USA on a partially man made flood-control lake called Lake Cumberland (Cumberland river basin/Cumberland plateau). The banks are rich with small to medium chert concretions, fossiliferous sedimentary stones, and small to medium iron inclusions. Preservation of these specimens are, generally, fair to good. I found this piece along with horn corals, only a couple of brachiopods, and a wealth of crinoid stem pieces in less than 20 minutes! I thank you all in advance for any information you can give me! -Skelly B. Specimen 1- Specimen 2 - Specimen 3 -
  15. Tyrannosaurus-wreck

    Calvert County Fossils

    Hi everyone! I went to Flagponds in Calvert County MD a few weeks ago and came back with my biggest *actual* fossil haul so far (I posted here my first time with about 50 barnacle pieces)! I know there are a few ray plate fragments in here, and I've included what I think are bone pieces although I'm not entirely sure. Anyway, I'm having a lot of trouble identifying my shark's teeth, so any help with this would be greatly appreciated! I'll post numbered photos of my finds with this. If anyone needs a zoomed in, clearer or different angle pic I'm happy to provide more. (Advance apologies for the broken down photos, these teeth are really tiny so I had to take multiple pics to make them visible)
  16. AshNBone

    Help ID marine fossil? Sponge?

    Hello again Fossil friends! I have another fossil I need help with. Found with other shell and coral fossils in a river shore in north eastern Kansas, most likely Pennsylvanian. It looks to be maybe a sponge with exterior and interior... structure? Couldn't figure this one out. Maybe someone with more knowledge can ID it for sure.
  17. Leesaa

    New Mexico fossil

    I thought this looked like a coprolite or possible ammonite concretion on top of a clump of fossilized unknown. What do you think? Found within an hour of Albuquerque along the Rio Puerco or cliffs* over the Rio Grande. Either Rio Rancho or Los Lunas. * By cliffs, I mean sandy hills full of rocks. On their way to being washed into the river. *****I was told the photos did not show. I have tried to edit to add them. Weird glitch in this program since I see them all when I log on, even if I get off the site then back on. Thank you for letting me know they were invisible to others*******
  18. Caverat

    Circular Branching fossil

    Could this be a sponge? Note the radial structure and the occasional branching rods. Collected in Missouri, but location and age are unknown. Also, the specimen is sawn to 3/4" thick and the fossil doesn't extend into the sawn area! There is a lot of tiny crinoidal hash in the matrix rock. The light blue grid is one inch.
  19. Hello everyone! These fossils were found in the Southern Gulf Islands of Western Canada. I am currently working a museum that has been mostly volunteer-run since the 1970s, so a lot of our records have gaps. These two fossils are a part of our collection, but we don't have much information on them. Do you recognize either of these two fossils? Thank you so much! Justine
  20. I am new to fossil hunting, but I’ve always been a beachcomber and rock hound. I recently visited Sunset Cliffs in Point Loma, in San Diego, California. https://goo.gl/maps/csoVaYRvBr9556AJ7 As my husband surfed below, I remained atop the bluffs, where these sun-bleached relics kept demanding notice. Along with easily identifiable shells were a few items that I’d love to know more about.
  21. Hi all My son and I were looking through some teeth from the NSR and want to get your opinions on this one. We first thought that this was a mosasaur tooth; however, someone suggested that it may be a plesiosaur/elasmosaurid tooth. We wanted to gather some more opinions since we have no idea what it is. The tooth measures 16 x 6 x 6 mm. Thanks and Happy New Year!
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