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Found 39 results

  1. Rugose Corals? Mississippian Redwall Limestone

    These fossils are fairly common in the Mississippian redwall limestones of central Arizona. I believe they are rugose corals. Is this correct?
  2. Rugose Coral #1

    From the album Rugose Coral

    Fun Fact: This was the first fossil I had found as a kid and unfortunately the first fossil I mined out of limestone!
  3. Rugose corals from the Kalkberg formation

    From the album Lower Devonian Helderberg Group in Eastern NY

    Enterolasma strictum rugose corals from the Lower Devonian Kalkberg formation. Collected 5/31/20 Rickard Hill Rd. Schoharie, NY
  4. Today’s local river finds

    Current lockdown restrictions in the UK mean we can’t get to the coast, but we’re lucky enough to live with walking distance of a river with plenty to find. Today was a productive day, we found lots of rugose coral, some stigmaria. Can anyone shed any light on the first specimen (top and bottom in first two pictures,) some kind of stigmaria too? Also, can anyone identify the impressions in the second specimen?
  5. Hi all, Could this be a badly worn rugose colonial coral? My guess, due to what looks like calyces, vs. more typical corallites. Does anyone recognize this? Length is 3cm. Found in Lake Michigan, IL, Wenlock epoch, Racine formation. TIA to all! This area has been a bit better protected and appears a tad less worn:
  6. Fossil ID Help!!

    I need help identifying this fossil. It was found in Northern California. Sonoma County 7 miles inland. Maybe Rugose Coral? Any help is much appreciated! Thanks!
  7. Local finds

    We’re currently on lockdown but fortunately have a good stretch of river within walking distance. It doesn’t make up for not being able to get to the coast but it’s better than nothing. Picture 2 is a couple of possible crinoid stems that we found. Pictures 3 & 4 I think are some of the rugose coral that are pretty common round here. Does picture 1 look like it contains any evidence of fossil? I wasn’t sure enough to carry it home but left it somewhere I can retrieve it from later if it is fossil. Thank you in advance
  8. ID - Hollow coral with gills?

    Everyone, Can someone identify this coral-type fossil? It's completely empty inside like a clam and has gills like a mushroom. I've looked through lots of photos in the Forum gallery to no avail. Nothing is even close. The 'top' isn't flat; it's a dome like the tip of your thumb, with holes on the tip. In the 'mudstone' matrix there's also a typical rugose coral. This was a loose rock in the area of the Kenogami Formation of limestone in Northern Ontario. Puzzled, Lauren16
  9. A Longer and Muddier Stop

    I took a much needed break this morning and went fossil hunting for a couple of hours. I decided that I wanted to go back to the same water eroded hill that I made a quick stop at the other day. It rained last night, so the place was a muddy mess, but I had a good time and it took my mind off of things. It's supposed to rain here for the next 2-3 days. Can't wait to see what else is revealed afterwards. I'll stop in again. Preferably after it dries out for a couple of days. Here are pictures of the hillside that I have been working. The red clay is littered with rocks and fossils that have been weathered and washed out of the hill by runoff. Fragments of the rugose coral Acrocyathus floriformis litter the ground. Thanks to @Jeffrey P for help with the ID! Unless you look 5 feet one way or the other... The next picture was taken 5 feet away from the spot in the above pic. It seems that the fossils were very localized. I made multiple stops at different hills like this in the same area. I found 1 other that had a good amount of fossils in a small section. Most were fossil barren, or had very few. Still, there was plenty to keep me entertained. When I took a gander past the coral fragments, I was able to find a few more gastropods. The biggest thing I had to watch out for was my own pareidolia. The geology of the area can really trick you if you are not careful. There are also more modern evidence of creatures, and some areas where fill rock has been brought in; presumably to help with erosion. Below are a few things I had to look out for... Here are a bunch of eroded limestone fragments mixed in with coral fragments. They can definitely trick the eyes at first glance. Coral/Bryozoan fragments, or water eroded and shaped limestone? Unfortunately, limestone. At first glance I thought I was seeing the internal structure of a coral colony. Maybe a tabulate coral? Nope. Another look alike. A modern gastropod. Once I got home I cleaned the mud off with water and a soft brush. Not a bad haul for a few hours. I took quite a few pieces of coral. Some I will give to my son, some will go in my collection, and maybe, just maybe, some will end up in an auction lot to support the forum (once all this virus stuff blows over). I'm actually sorting through my collection and will hopefully have more to add to the auction pile, but that's a discussion for a different thread. Towards the end of the hunt I was on the lookout for anything branching, or that resembled a coral colony. I was hoping to find a relatively complete coral head, but alas luck was not with me. I was still able to find some nice pieces though. Here are some of the better ones with multiple coralites. A few gastropod steinkerns. This one I really liked. It's a little over a centimeter in height, and still stuck in the matrix. And last, but not least... I always pick up a few geological pieces that catch my eye. My twin is more of a rock hound so I always let him take a look. If he doesn't want them. The "cool rocks" go to my son. If all that fails, I have a "cool rock shelf" that gets the left overs. That's it for now. I had an enjoyable time today that gave me a much needed break from all the happenings in the world. It was nice to dig in the mud and forget my troubles for a few hours.
  10. Cephalopod or Rugose coral

    Hi is this a Cephalopod or a Rugose coral it’s from the Onondaga formation. I have been told that it could be a a Cephalopod by one person and Rugose coral by another. Thank you!
  11. Monday morning was dreary here in Central Kentucky. The sky was cloudy grey, and the rain was sputtering off and on. I didn't let that dampen my spirits though. I had planned to go fossil hunting and nothing was going to ruin my day! I grabbed my hunting gear, a cup of coffee, dropped my daughter off at daycare, and headed out. I arrived at the Upper Ordovician (Drakes Formation) spot that I had found this year. The last time I visited this place I didn't have time to really enjoy myself. It was more of a smash and grab. A rush to see if anything was actually there and to grab what I could. This time I was determined to spend more time at my new found hunting grounds. Not even a little wind and rain would stop me. After about a 45 minute drive I arrived at the road cut. The last time I visited, I looked through the scree at the base of the cut and found items that, over time, had washed down from the rain. Many of these pieces didn't fair well with the 5-6 meter drop. After a few minutes of looking at the strata of the cut, I determined that the most fossiliferous layers were at the top 2 meters or so. I decided that I needed to check out the top instead of the bottom. I'm glad I did! After a short walk and hike up the gentlest slope I could find, I made it to the top. This is what I found. A loose layer of dirt (well mud since it was raining...) with coral heads and fragments everywhere! All different shapes and sizes. whole specimens just a few cm across to ones that where half a meter or more.
  12. Rugose or Bryozoan?

    Is this a rugose coral or a bryozoan? There are definite bryozoans in this rock of different types. I was thinking it's a rugose coral, but want other eyes on this specimen. Collected from the Phosphoria Formation in Wyoming, so it's Permian in age.
  13. Rugose or Tabulate Coral Colony?

    I believe this to be a coral colony. I'm leaning more towards a rugose colony, but am not positive as most of my experience has been with solitary horn (rugose) corals. Maybe its a larger species of tabulate? Or maybe I'm just over analyzing... I tend to do that. The whole specimen is roughly 4 inches x 4 inches(10cmx10cm) with it narrowing at the bottom to 3 inches (7.6cm) or so. I don't know the age as it was a gift, but I believe it is from the area (Central Kentucky, U.S.A). The individual specimens have flattened sides which makes me think of tabulate coral with its hexagonal shape, but that could be deformity. Then again, I think I can also see septum (circled in red). That may be pareidolia though. Any input would be appreciated!
  14. Just a short video of a quick trip to the beach last week to enjoy the spring sunshine!
  15. Rugose Coral

    All, I went fossil hunting at a new site a little north of downtown Nashville and hit paydirt with these large pieces of rock; they are absolutely packed full of rugose coral
  16. Rugose coral??

    Hello: My father in law had these specimens in a drawer and we were trying to identify. He worked all over the country so there is not telling about the location. My internet sleuthing says rugose coral? Thanks for any input.
  17. First I will say that the number and size of the photos makes it so that uploading directly to the forum more of a job than I'm ready for at this time. Actually I had to divide the prep photos into two different links because there were too many to upload on one album. Secondly and more importantly big thank you to @piranha for linking me to the identification of my rugose coral. From the PDF linked I have came to the conclusion that the rugose coral is a Zaphrentis cliffordana. It's truly the only real match of the corals listed. Now the prep. I started with a Dremel engraver with a very small tip (I forgot the size I've had it for years). I took matrix away and away and away. After several hours I started to hit it lightly with a metal pick (think of a straight dental pick). I also took the Dremel engraver and started to work away my prep channels/lines as best I could making the stone around the coral smooth to the touch. Doing this also allowed for some of the natural stone and other fossils in the matrix to show up. Next comes something I've never tried and maybe others haven't either. I started to scrape, cut, and whittle away at the smooth matrix with a pocket knife (a sharp one) this made it really smooth to the touch and the stone was fairly easy to do this to. Doing this really made the stone and what makes it up stand out (sort of like polishing it without the shine). After all that I hit the fossil with the an air blast to get rid of all the loose dust and matrix. I then gave it a good soak in peroxide and hit it with a nylon brush and a tooth brush. After everything was dry I coated the fossil side of the matrix with a matte finish clear coat. This gives the matrix and fossil a slightly wet appearance making it stand out way more than the normal dry stone. Here is part one of the prep. The first photo was taken after just a few strokes of the Dremel engraver. https://imgur.com/a/KAiPDDW Here is the second part when I started to smooth the matrix around the fossil. https://imgur.com/a/rJHM1ZK Sorry I didn't do step by step photo upload but I'm not that good at editing photos and my phone which I used this round took too large of photos and there were way too many (around 60 photos nearly). I at the very least was hoping to get the before and after photos uploaded but they were too big too.
  18. Fossil help

    I have many types of Rugose coral as shown, but what is commonly in the middle? Calcite, quartz? Rare? Also what type of fossil are the other two?
  19. Can someone please help me out here? I'm new to all of this and my friend is asking me about this fossil he stumbled upon today in Ohio. I've been researching other posts but I'm not 100% on what I'm looking at here. Thank you!
  20. Coral/Worm

    This is from north(sort of)western Maine. The formation is of Emsian age and is related to a marine delta.The horn measures 4cm x 2cm. Horn corals from this quarry are all full of trace fossils. This one is quite different though. Instead of crossing septa it seems to parallel them. It also is more tube like as opposed to the others that are solid rods. Could it have been a worm that lived commensurately with the coral leaving it's waste in the abandon base of the tube ?
  21. 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,
  22. Penn Dixie Partials

    Hello, all! So I am cleaning out my workshop to make room for a lot of new material coming in and to prepare for the upcoming season. I have wayyyyyy too much Penn Dixie material. I have, at this point, committed all of my complete bugs away. But I still have quite literally, TONS, of other material. What I am offering is Edlredgeops rana partials, this includes entire prepped bugs that are missing cephalons, stand alone cephalons, pygidiums, large but broken cephalons, half bugs, etc. (Please note, I am not offering any of these as complete. There is the real chance that some of the unprepped material COULD be complete, but I am not offering them as such. I also have Greenops pygidiums and partials, beat up examples with broken cephalons, etc. I also have a few Bellacartwrightia pygidiums laying around, and perhaps a few broken and partials of them as well. I also have massive quantities of hash plates from the Bay View coral layer, brachipods (Mucrospirifer, Pseudoatrypa, Rhipidomella, Spinatrypa), Spyroceras cephalopod partials, rugose and tablulate corals, clams, and other random bits. I am interested in trading for similar material from other locales. I am not expecting anyone to offer up prime specimens for any of this material, but I would love anyone else's throw-aways that include vertebrate material, plants, small fish, and the like. I am also considering minerals and gems. (Again, throw-aways are all I'm looking for, quantity beats quality on this one.) I will cover shipping domestically in the US, but can't really afford to ship out a ton of international packages this month. (I will still do international, we just might have to work something out.) If anyone is interested, please message me! I want this stuff gone as quickly as possible, it's getting to the point where I can't walk in my workshop anymore! If you let me know what you're interested in I will take photos of some examples, but it would take me a full weekend at least to photograph everything that I have available. This is perfect for anyone wanting to practice prepping as the Windom shale that most of these bits are in is relatively easy to work and there are lots of attractive pieces that will look very nice prepped, just aren't worth the time and effort for me at this point. Cheers!
  23. Rugose Coral

    From the album Beltzville State Park

    Solitary Rugose Coral Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  24. Coral External Mold

    From the album Beltzville State Park

    Rugose Coral External Mold Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
  25. Rugose Coral

    From the album Beltzville State Park

    Rugose Coral Devonian Manhatango Formation Beltzville State Park, Beltzville, PA
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