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Found 262 results

  1. Shale ID?

    Hey all! I got out today to hang out on the beach and ended up searching a shale scree not far from where I parked in santa barbara, CA. This looked like it had fossiliferous potential so I grabbed it along with a good amount of nice malachite. A tube-like shape with white crystal-like openings which measures about an inch in this piece of shale. Curious to se what you think and thanks as always!
  2. Santa Cruz Mountain Miocene Era Fossil #1

    I collect fossils in already disturbed areas around Scotts Valley, CA, mostly sand quarries and road cuts. The fossilized sand dollars I've collected date to the Miocene 10-12 million and, from what I understand, most everything is similar from a chronological point of view. This area was a vast, shallow ocean back then so most of the fossils are aquatic. An intact sea cow from this era was famously collected in this region. Thanks in advance for any help you can give me!
  3. New member;ID Request

    Hello new member here, my name is Robert! I found this site while searching google in an attempt to identify some beautiful items I came across recently while at the beach in san francisco. I understand most of you guys refer to yourself as amateurs, though reading a few forum topics before creating my account I was impressed with the amount of detailed information in regards to your studies and findings. That being said I must admit I am %110 amateur in my knowledge of fossils, different time periods, etc. So please forgive me if I seem to ask simple questions like I don't know what I am talking about, I am still learning. WELL, in regards to the piece I am hoping to learn about (please see attached image). I recently found it while I was at the beach in San Francisco area. It measures 2 and 3/4 inches wide, 2 inches tall, with a shallow depth of a 1/4 inch. My main question is...WHAT is it!? I've seen many sand dollar fossils, coral rock fossils, clam fossils recently on the beaches here, but I've only seen one like this. The milky white crescent shaped object that is offset to the right of the center of the stone, looks like a tiny shrimp or something (again , please forgive my lack of knowledge). Also, the only thing I can relate the slightly irridecesent dark blue-ish streaks to are the inside of some of the mussel shells that I see on the beaches here, so maybe it is in relation to that...? Again, I have no idea but I do speculate much as I've recently grew heavy in interest on the subject and those alike. It would be greatly appreciated if anyone has some pointers on or can possibly identify this, what I believe to be, fossil stone of some sort. I have many photos of all the beautiful items I've recently collected, and needless to say, so many questions I wish to ask you all in regards to them. I am planning to post detailed images of them all in the My collections section but for some reason most of my pictures on my phone exceed the "Max total size of 3.95MB" in the image upload section so I am going to try and take some different pics that are "uploadable". I would be more than happy to take new pics or zoom in closer on any specific area(s), if needed or necessary. Thank you all for your time
  4. Hey everyone! I have a couple recent finds that I would appreciate your input on. I’m currently unsure of the formation that these fossils come from. I found this outcrop underneath a parking lot. It’s orange conglomeratic sandstones which makes me think Hookton Formation which would place it somewhere around 450,000 ybp. Scale is in inches.
  5. Hey everyone! This will be my first attempt at a trade in the TFF. Im offering a variety of fossils from the Price Creek Formation of Humboldt County, Northern California. This formation has been dated to late Miocene early Pliocene. As far as to what I’m looking for in this trade, I love all things Mollusca! Gastropods, Bivalves, Ammonites, Belemnites or Brachiopods, I’ll take them all. Invertebrates of any kind will strike my fancy though. The weirder the better. I’ve seen some Ram’s Horn Oysters that are awesome! I have no qualms about trading for these as a whole set, however shipping would be cheaper. I’m willing to ship anywhere in the United States, if your international I’m afraid that you’ll have to absorb that cost. I really appreciate all the knowledge that members have been forthcoming with sharing. Please pm me if your interested. -Nick
  6. Hey everyone! I’m starting this post as a continuation of this post: http://www.thefossilforum.com/index.php?/topic/102463-virtual-fossil-hunting-field-trip/ I’ve decided to start this new thread in prefer to better conform to the sites organizational structure and to serves as a more permanent home for my future adventures. So, if you haven’t already seen it, in encourage you to read it in order to catch up. In light of our current events I’ve decided to practice some self quarantine at my favorite fossil hunting location. The rocks here, the Rio Dell formation, represent an eastward trending embayment from the Pleistocene, overlain by orange conglomeratic sandstones called the Carlotta Formation, indicating and delta environment that fed into said bay. These have all been uplifted by the numerous and complex fault systems that Northern California is famous for. This site is easily accessible via a trailhead about 350ft above the beach.
  7. Possible Vertebra?

    Recently found this potential fossil in Capitola Beach, California. I’m new to fossil hunting, but the rock inside kind of resembles a potential vertebrae? Whale vertebrae are known to be found in this area, along with a variety of shells and I’m curious to know if this could be a specimen. Anyhow, if this is not a vertebrae could someone help me ID it? I put a standard American quarter on the second image to display the size. Thanks so much for your time!
  8. Unknown Potential Mollusk Fossil

    Recently found this fossil in Capitola Beach, California. I found an abundance of fossilized shells in the area, but this one looked dissimilar. Anyways, is it possible that this is just a disfigured shell? Or is it something else? Thanks for your time!
  9. Capitola Fossil ID

    Recently stumbled across this, possible, fossil in Capitola Beach, CA. I found an assortment of fossilized shells but was unsure of this find. Anyways, I’m new to fossil hunting and don’t have an exceeding amount of experience, so any knowledge regarding what this could possibly be would be helpful. Thanks!
  10. Giant ground sloth ungual?

    I had no idea what this one was, probably just a scrap of bone but worth checking I think, sorry for lack of scale but it’s around 14 cm long it’s from STH (also I havent fully prepped it yet as I want to know whether to get someone with air tools to do it or do it myself)
  11. A Eurypterid in San Diego?

    Found this artifact in Black's Beach, San Diego. Looks like a 6-ft scorpion. A Eurypterid maybe? I video and 3D scanned the find and sent it to The Nat and ROM (Toronto). Waiting for a response. Here are a few pictures. This ditch is likely to have been dug by the recent rains. Compare the size to my wrist watch: Closer look: Wavefront .obj file: Hit me up for high-res images, obj file, video, etc. Thanks!
  12. Tooth or rock

    Found on the surface in Sacramento Co. CA.
  13. File Fish Vert?

    Hey all, I found this little vertebrae at my usual location, sticking out of the mud that comprises the Rio Dell Formation, Pleistocene in age. The best I can identify it as is a Filefish Vertebrae. Doing a quick Wikipedia search, I learned that some species have been known to enter lagoons and estuaries, which is good news for me since the Rio Dell represents an ancient bay environment. Ive attaches a reference image of some file fish verts from North Carolina. (Source Here: https://www.fossilguy.com/sites/l_creek/lcrk_col_fish.htm) Id love to hear all your opinions. And thank you for all the help that you guys have given me thus far, this is one of the best communities on the internet.
  14. Hi Everyone! I should preface that this collection of photos were taken on multiple occasions to this location. I just wanted to share with you all typically, what my experience fossil hunting is like. This is not the only location or formation that I personally collect from, but it is the most frequent location I visit and is relatively accessible at all times of year. Anyway, essentially what we’ll be seeing here is the deposits of a 2ma old bay, represented by the Rio Dell Formation, then the Carlotta Formation, orange conglomeritic sandstones representing a delta that flowed into said bay, all uplifted by a faults driven by subduction. ON TO THE PICTURES!
  15. Hello all! A few weeks ago, @caldigger generously sent me some micromatrix from Sharktooth Hill/Bakersfield in California (Miocene in age), and there is one little fossil that is kind of weird - hopefully someone can help me identify it! It's smooth on one side and has sharp bumps on the other side - please feel free to let me know what you think it might be. If better pictures are required, we'll have to wait until I get some sunlight up here in Mississauga - hopefully soon! Thanks in advance! Monica View of the bumpy side: View of the smooth side: View of the bumps:
  16. I'm curious if anyone would be interested in trading for this wonderful piece with multiple bivalves/brachiopods. I don't have any information except that it was a beach find from southern California. Several of them are damaged, one is almost entirely complete (one small chip) and exposed most of the way. 2 others I believe are intact but are partially buried in the matrix. There are also a few more that are barely exposed that may be complete within the matrix. I think this piece could be excellent for prepping practice and with a little bit of work it could look really nice. PM me with any offers, trilobite material would be my preference but I'm not very picky. Here's a picture of the piece top down, more pictures are on the way.
  17. California bivalve ID

    Hi everyone, I have recently received this fossil as part of a trade with @Huntonia the bivalve comes from California, but other than that I have no more information. I am guessing it is from somewhere in the cenozoic which is an era that I am not highly familiar with. Any info would be great, Thank you.
  18. Whale bone?

    Any input would be greatly appreciated, thank you.
  19. Unknown fossil

    Any input would be greatly appreciated , thank you.
  20. Mollusk Fossil

    Any input would be greatly appreciated
  21. Tooth?

  22. Beach Fossil

  23. Below are some more of my macro fossils that I’ve recently put in 8”X12” Riker mount displays. To see a previous post with Riker mount displays with specimens from the Aquia Formation of Maryland and the Nanjemoy Formation of Virginia check out the below link: http://www.thefossilforum.com/index.php?/topic/101415-a-few-riker-mounts-with-specimens-from-the-aquia-formation-of-maryland-and-the-nanjemoy-formation-of-virginia/ Considering I’ve only made three trips to the Ernst Ranch in Bakersfield California, I’m pretty happy with the macro specimens that I’ve found in those trips. The below display contains some of my nicer macro specimens from the Miocene Round Mountain Silt Formation. The top of the display has a cetacean flipper bone, cetacean vertebra, a bird bone, and a leatherback turtle carapace bone. Then there is a row of Isurus planus shark teeth. Then a group of Carcharodon hastalis teeth (for size reference the largest tooth is 3.13”) with an Otodus megalodon to the right. The bottom of the display has two upper Hexanchus teeth and both cetacean and sea lion/seal teeth. Below is a picture of a display with macro specimens from my sons’ M&M Ranch in Sioux County Nebraska. These macro specimens came from the Eocene Chadron Formation (maybe but not likely) and the Oligocene Brule Formation (Most likely as the vast amount of the ranch flats areas where they were collected is almost all Oligocene). The top has a row of coprolites. I only have a few coprolites left as I have donated several hundred to the New Mexico Museum of Natural History and Science. The next row has a few pieces of turtle/tortoise shell. Then there is a mammal tooth and rows of small mammal partial jaws. The bottom of the display contains mammal bones. Some of these specimens were given to me by my older son, Marco Jr., because I don’t do a lot of surface collecting at the ranch. I spend the vast majority of my time at the ranch searching for anthills and collecting anthill matrix which contains micro vertebrate specimens which are my main interest. Below is a picture of a display with Carcharodon hastalis shark teeth from the Miocene of Virginia. The top of the display contains teeth from the upper jaw and the bottom of the display from the lower jaw. For size reference the largest teeth are 2 5/8”. I have collected several thousand Carcharodon hastalis teeth from Virginia but this will probably be my only Riker mount display of them. I used all six of the Riker mount displays that I just recently bought so I won’t be able to post anything more until I get my next batch of them delivered. Marco Sr.
  24. Petrified Fungus?

    Hello everyone, I'm new to this forum, but I always lurked here without an account and learned a lot, so I made one to become part of the community since I collect and study fossils as a hobby. Now for the piece mentioned on the title, would you be able to help me figure what kind of fossil (or even if its one) is this? The structure reminds me of some fungus, like a polypore, but I cant figure what kind it is or if its an igneous rock or some kind of wood. I know some bracket fungus when dry can become really hard. Unfortunaly I dont have the item in my hands right now, as its from an auction that I won and I'm still going to retrieve it from the owner. All he knows is that it came from an american geologist collection in California and that it is really really old. It has 19 cm, not sure about the weigh tho. Thanks!
  25. Yesterday, I got back from a family vacation to California. While there, I was able to spend two days digging at the Ernst Quarries. The weather was beautiful and the teeth were plentiful! Carcharodon planus hiding in the rock.
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