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Found 516 results

  1. Cretaceous coral?

    Could this be a coral or something similar from the contact between the Austin Chalk and Eagleford Shale formations some 90 mya?
  2. Two tiny fossils for ID

    Hello again, Fossil Forum. I have some actual fossils for you now. My seven-year-old daughter finds these tiny things mixed in with the gravel on her school playground. I don't know if the gravel is local to us in Kentucky, but it might be. The first one has so much contrast it looks like someone painted the white parts of it! I assume it's some kind of coral, but I don't know what kind. The second item is one of the best she's found as it seems to be in very good shape. I don't know if it's plant matter or again, coral. I'd love to be able to label it in her little fossil box.
  3. Rugose Coral?

    I found this interesting piece of rock while hiking in the Snake River Canyon NE of Alpine, Wyoming. My first thought was it might be a coral so I looked at images of fossilized corals and it most closely resembled Rugose Coral from the Devonian. Please check out the photos and let me know what you think. Thanks!
  4. Topsail NC Finds

    Below are some of my finds from topsail island this week.
  5. Good resource on corals?

    I've been scouring the internet for information on different coral species from the Plio Pleistocene, but am having little luck. I'm fighting confusion, I think I might have lettuce coral of some type, and I want to try and ID it myself. Any suggestions on books I might purchase or sites I might check? Thanks in advance.
  6. This in my eyes is fossilized coral. But I'm trying find out what kind? It has crystals on the inside.
  7. Is this fossilized coral?

    Hello! I am wondering if this might be coral? It was found in a creek in middle Tennessee.
  8. Hello, I am new to TFF. I have recently noticed several unusual rocks and/or fossils on my property in middle Tennessee. I would appreciate any help with identifying the one I have posted. After searching on here, I am wondering if it could be some type of bone, or even fossilized coral or sponge? Thanks! - Tracey
  9. Where the heck?

    The Delaware Bay and Delaware River shores are littered with lovely marine erratics. They aren't local. They aren't young. You have to dig pretty darn deep in Delaware just to get to the Cretaceous in some places. These are Paleozoic. Many pieces are limestone and probably from the Mahantango FM. But, I find just as many that are definitely not limestone. They are silicified to cert and other shades of SiO2 plus a bit of dark blue/black mineral. I'm thjingking they are ordovician, based on the Foerstiphyllum sp. corals here. The puzzle is, where do they and the other silicified corals, sponges, bryozoa etc, come from? The DE geological Survey doesn't even mention the erratics. I was told that it's been washed down from the Appalachians. Okay, there are definitely ordovician layers there that could have eroded into the river, but all I can find are formations of limestone and fine-to-very-fine grained sandstone. Been doing all kinds of searching through descriptions of geological formations in the area and I'm coming up blank. Anyone have any ideas?
  10. Pleistocene coral id

    I recently received help in identifying a Lindapecten muscosus I found in a construction site in Estero, Florida. I could only photograph it the day I located it, but went back the next day to chip it out of the limestone it was imbedded in. Unfortunately as I suspected, it came out in pieces...so I am really glad I have photos of it. To my point, however, in trying to find it the second day, I came across this coral which intrigued me. Its pattern of growth seems to be surface only....in a thin layer. All the pieces I found were tubular bullet shaped, or egg shaped as in the photo of the one that popped out. It is interesting to me, because it doesn't seem to any depth to it...it seems to be a surface growth only coral...Each of the "tubes" or "bullets" show a solid core of what looks like limestone, you can see it in the one piece that is chipped on the side. The other part that is of interest to me, is the way it seems to form a basketweave pattern, with strands of coral growth running along the surface and interpaces filled with little striated nodules. From the fourth photo, you can see that there is little separation between the little heads...and in the fifth image, I tried to show the thin encrusted type of growth I found in all the pieces i gathered. Each time I post things here I learn so much, so I am looking forward to advancing my knowledge of corals this time.Thanks
  11. Bamboo Coral Tasmania

    Hi I was wondering if anyone can identify this bamboo coral from Tasmania (Pleistocene) more precisely than from the family Isididae? Regards Dennis Dimensions: 6.7cm x 4.8cmx 2.6cm
  12. Hi! I just received a couple nice works on Fossils. In Index Fossils of North America (1959) I see Pycnostylus (Fletcheria) listed as a Tabulate! (Subclass Schizocoralla) (Whitleaves 1884) Fossilworks lists subclass Rugosa fosillid shows the following: Hill, 1981. Rugosa and Tabulata Ivanovskiy, 1965. Fossil Rugosa Wow! What a way to confuse a newbie! My specimens I found match the illustrations and descriptions in Index Fossils, I am happy to say. It must be the German in me, but I go nuts for accurate taxonomy (when I can get it). How can this change? How can it be BOTH rugosa and tabulata? Can it? I know some things change with further research.... but THIS should be fairly elementary!!??!! I know the index is older... but I would not think THIS would change much up to today! Species, yes. Even genus, perhaps. But subclass? Sorry if I'm a bit confused! Hoping someone can shed some light on this! David Ruckser
  13. Natlandite Fossil Stone

    I joined with the hopes that someone here may know more about Natlandite fossil stone. My wife inherited a polished three piece set and unfortunately there is very little information available about it online. Within the two articles I could find we have learned that "it was first discovered in 1954 in Los Angeles, Ca. by geologist Manley L. Natland, during a small dig he made in his offices backyard. He was given a rock brought up during soil testing for an annex to the old Atlantic Richfield Building at 6th and Flower streets. Natland estimated the fossil stone to be between 5 to 7 million years old and said that it was likely formed when an earthquake dislodged a great mass of sludge from the Los Feliz area (then the seashore) and moved it to the Arco site, where it solidified. He had it cut and polished, revealing shells of bivalves, gastropods and coral in a marble like material, but thought no more about it until 1969, after he had retired from Atlantic Richfield, now Arco. That year, he asked to examine the excavation site where the building and it's annex were being torn down to make way for Arco towers, now known as City National Plaza. What he found was an entire bed of the fossil stone that he had seen years earlier. Natland arranged to have 500 tons of it hauled away and eventually had the rock cut and shaped into tables and statuary. The rock is about as hard as quartz and it contains about 350 different species. It was also named the official gemstone of Los Angeles in 1981." I have spoken with a paleontologist here at our local museum of natural history and he stated that he believes that some record of the stones should be preserved in a museum, if that has not already happened. He gave me the contact information of a paleontologist at the Los Angeles County Museum of Natural History and suggested that I contact them, as they would be the most appropriate place to store such fossils. They are absolutely beautiful pieces and any info or suggestions will be greatly appreciated! Thank you so much for taking time to read my post. Brandon Massey
  14. Flabellum gambierense, Duncan,1864

    Common coral collected from Fossil Beach, Mornington, Victoria.
  15. Flabellum victoriae, Duncan 1864

    Common coral collected from Fossil Beach, Mornington, Victoria.
  16. New here

    Found in the Little Miami River
  17. Horn Coral

    Hi folks. I cleaned up the horn coral that I posted a pic of earlier. (was wondering if I could find it easily, then realized all I had to do was look for my watch. The missing Timex was much easier to spot. ) Here is pics of it. It is the largest of the many I have found here. Regards,
  18. Possible coral fossil?

    I’m on a fossil hunting trip and have arrived at my wondeful cottage in the north yorkshire country side. Today has been my travel day to the location so no fossil hunting sites have been visited. But my cottage has lots of different stones outside similar to this, probably brought from elsewhere. is it a coral?
  19. Hello! I had posted a bit of this before... however in my EXCITEMENT over my finds, I did NOT do a really good posting job.... These specimens SHOULD have been shown from all angles! (I know better now... but hey, I was an excited old man!) I would guess the coral is Devonian; possibly Mississippian. This is ONE SPECIMEN photographed from all angles I could. Some of these specimens have a LOT going on in them! I attach photos of ONE piece. I have taken photos from all angles. On the first three photos... Do you think this is a different type of coral? I DO see what is probably the top of a rugose coral at the right, the circular structure! The oval-shaped structures are what I wonder about. Coral? Photo 4 - WOW! A lot here! On the right, a small section of Lithostrotion coral - tabulate coral at the "south" end (better photo of that is#7). The "spray" on the right side in photo 4 is interesting! There are little bits of coral all over the piece! To the right of the big depression - the llittle black dots are arranged in a circle (a bit hard to see from this angle). I am very interested in hearing your comments - We brought back probably 80 + pounds of this stuff!
  20. MORE coral help, please

    Also found, Somerset County. Photo #1 and 2 - Interesting structure, coral? #2 is a closer-up view! #3 - We brought back a LOT of this type - Coral? #4 - A Rugose "horn" coral - The other coral to the right - What kind, please? #5 & #6 (closeup) - Is this even a fossil? Or some type of mineral? Found in the same place!!!!
  21. Newbie needing an ID

    Hello everyone, I’m a newbie to fossil hunting. I found this yesterday, my first time out since taking up this hobby. I found it along a creek in Shawnee, Kansas, USA. Some of the rock in the area had clearly been trucked in and some was from the area so I don’t know how this particular fossil arrived at the location. The fossil is about 28 mm in diameter. There are clear pores that are on the outside surface. Where it is broken, you can see the pores extending inside the specimen. My first thought is a coral or some kind but I’m not sure what kind. Any ideas? If you need any information, let me know.
  22. found this interesting coral fragment

    this little piece is about an inch long. top shelf in my mind the outside looking like oolitic agate each end has nice tiny quartz crystals
  23. Possibly Coral-like Invertebrate? ID Request

    Hi everyone! I have attached some photos of my first ever fossils! I've been finding fossils of this same species in this one riverbank for years, and have always wanted to know what they are. I did some research- looked through sites detailing some of the more common fossils, and image searches of coral fossils since the texture seemed kinda reminiscent- but nothing seemed to me to look anything like it. I tried to guess with the coral thing, but honestly I can't even place these as animal or plant with any confidence. So now I've come to this awesome site! Thank you all for putting your time into helping people like me out with this, I really appreciate it. I'd love to here any ideas you have! Here's what I do know: When- on the geological map, this area was right on the border between Cretaceous and the indistinguishable riot of eras in the Rocky Mountains that was usually labeled simply Undifferentiated Mesozoic. Where- In a bank of river rocks on the shore of the Clearwater River, in the eastern foothills of the Canadian Rocky Mountains in Alberta, northwest of Sundre. Some Observations- some are circular, some are like a long slug shape, and some are somewhere in between like an elongated circle. The textures/patterns are all similar between them, and I suspect they may be related? The idea occurred to me that the circular ones may simply be slug-shapes seen in cross-section. Whatever they are, there are sure a lot of them- I find a few types of fossil out there, but these are by far the most numerous. I have a single large rock that must have several dozen of various sixes and shapes. Other fossils found there appear in the exact same type of rock, with dark grey background and white fossils. Some of these fossils have vaguely resembled limpets and chitons or other similar-looking creatures, with distinctly grooved shells like a mollusk, possibly supporting the idea that this might be from an aquatic habitat. There is a distinct directionality in the slug-shaped ones- the texture on the 'head' is more even and regularly rounded, while the 'tail' texture is more spiky and elongated. Most have fewer/fainter holey texturing toward the middle of the 'body', but some have holes through the whole thing. The largest is a bit over 3 cm long. Let me know if you need anything else from me! I can provide more pictures, if you feel that would be helpful. I'm very excited to here back from you! Thanks in advance, and have a nice day.
  24. Star Coral question

    Any piece of coral I find is usually smaller than a penny. Recently found a decent piece, for my hunting area. Looking at fossil corals there are several "star corals' that look similar. Can you experts really distinguish different types of fossil star corals?
  25. Cystoid and coral?

    Hello friends and TFF family! Another little palaeozoic problem. This was given to me back in the mid 1980s and was said to be from the Pentamerus Grits of Newlands, Girvan, Ayrshire, Scotland. Brrrrrrrr!!!!!! I have it marked down only as "Cystoid?" and it may well be. The hexagonal patterned bit down the edge of the rock including the smooth shell like piece is 2.2 cm long. Bad picture. Here is a better close up. You can kind of see above that the hexagons are lying on the surface of the smooth bit, which i once thought was a bit of Pentamerus oblongatus but now think it may be some sort of inner layer of the fossil to which the hexagons are attached. Clearer below : Any ideas would be most welcome! @piranha @TqB