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  1. I believe these are petrified dinosaur armor from animals killed during the creation of our west coast land animals and sea life 20230221_143636.mp4
  2. Dave890

    Tail or leaf?

    I found this near a waterfall in Santa Barbara county. Not sure to what it is? I think it is a fragment of a specimen. Any ideas. Thank you
  3. I found this tooth at Sharktooth Hill near Bakersfield, CA. It is Miocene from the Round Mountain Silt. It doesn't quite match any of the specimens at Elasmo.com with Alopias latidens being the closest. It is one inch tall. Any helpful feedback would be very appreciated. Thanks and have a good one.
  4. Mahnmut

    Desmostylian teeth, pathology?

    Dear fellow forum members, some time ago I acqured two desmostylian teeth, presumably Desmostylus hersperus. Only Info I got is that they are from california. I have been wondering if the smaller one shows some kind of pathology r if it is a juvenile unerupted tooth? By the way, could the chambered structure circled in red be a sand dollar? Best Regards, J
  5. masonm30

    Total Newbie!

    Hi, I'm brand new here. I own and operate an estate goods store in San Diego County, California. I had a gentleman bring in an interesting piece he believed to be some kind of fossil or bone, but I have absolutely 0 experience in this field. I'm hoping to, at the very least, figure out where to begin! I have attached several pictures that we took preliminarily. Any info, advice, tips, is greatly appreciated! For all I know, this could just be a cool shaped rock, (and please don't hesitate to tell me that!) but doing my due diligence in researching this piece! Thank you for your time.
  6. Please help me identify this. Great find onboard Camp Pendleton CA.
  7. Vopros

    What it is?

    Hi here is a rock from a beach in California. As you see it has lots of fossil shells and something else that is much bigger than shells. What is this something else? It is a microscopic image.
  8. Not sure if this is a fossil, tooth, claw??
  9. MikeR

    Dendraster diegoensis

    Acquired by trade in 1992. Reference KEW W.S.W. (1920) Cretaceous and Cenozoic Echinoidea of the pacific coast or North America. Univ. California Publ. Geol., Vol. 12, no.2, p.23-236, pl.3-42, 5 fig.
  10. What an adventure! I was on a trip to southern California with my partner. He does not like fossil hunting – yes I know what you are thinking but he is a very nice guy. You can’t have every thing! I wanted to go to the Marble Mountain Trilobite site in the Mohave desert. I did my research and knew exactly where I wanted to go. As I would be by myself I decided to be very clear about where I was going and how long I expected to be there. Off I went on a bright warm sunny day armed with gallons of water, a sunhat, fossil hunting backpack, many snacks, and a brand new Lexus. Yes I know you are thinking dumb dumb dumb! But as it turns out the lexus was an excellent choice, it had lots of power and reasonable clearance. I did high center it on some shrubs (sorry shrubs) and almost lost it in a sand bank. Power does win the day and I managed to get it about 3 miles away from the classic north end site by Chambliss. What I did not account for was that the recent atmospheric rivers had washed out a lot of the tracks and roads. I had a really big walk up to the base of the mountain. From there I struggled through boulders fields and scree slopes to get up to the famous red and green Latham shales. Oh boy what incredible rocks! Fortunately I am fond of lapidary too so I collected some glorious specimens. My aim was to find the blue green algal nodules formed by precipitation of the cyanobacteria. They look like elongated ovals and are found everywhere. I was gob smacked by these fossils. They are 518 million years old. The trilobites are mostly Olenellids and are rare. I struggled to find any of these and found mostly cool trace fossils. As I was completely exhausted getting to the top of this mountain and now had to get down it with a lot of rocks AND walk 3 miles across the desert to get back to the Lexus I made a decision – I would come back another day and find some of those trilobites. By the time I got back to the car my knees were shaking and I had drunk 5 litres of water and eaten everything I brought plus 3 candy bars. It was an amazing trip and the area is totally deserted. I never saw one person or vehicle while I was there. There is another trilobite site that is down towards the ghost town of Cadiz. This is the official BLM site and you are allowed to take small quantities of fossils. Unfortunately the road was completely washed out and unlikely to be repaired soon. Oh well that's for another day
  11. jennyv

    What animal? How old?

    Hi, I'm brand new here. I enjoy being out in nature and collecting bones and rocks I find. Just the other day I found this jaw bone on the banks of a creek near my house in El Dorado County California. It looks to be the size of a cow or horse jaw. I would love to know what animal you all think it is from and especially how old it looks. The blueish color of the teeth has me really intrigued. Thanks for any ideas.
  12. Here are the only fossils that I have at the moment I hope to continue to grow my collection! Pictures 1, 2, and 3 are of my Mantellisaurus atherfieldensis vertebra. Per the seller, it is from the Cretaceous (Barremian Stage), and originated from the Isle of Wight's Wessex Formation (Wealden Group). Picture 4 is of my flea market Colpocoryphe grandis, likely originating from Morocco. Picture 5 is of my gifted partial (most likely) Merycoidodon gracilis skull, originating from possibly Wyoming or Nebraska. Picture 6, my most recent purchase, is of a plate of four upper Cretaceous shrimp originating from Hjoula, Lebanon's Sannine Formation.
  13. Lordhonkhonk

    Mammal Skull?

    Ok, last time I post here for a while I swear! At least until I go on another hunting trip... Anyways so I stopped by my mother's today after work and I was talking to her and my stepfather about my newfound passion for hunting & collecting fossils when it turns out that my stepfather had been holding out on me this whole time! After a bit of rummaging around he presented me with this, and even said that I could keep it! He said that he had been given it by a customer of his back when he worked delivering water. The customer a nice older man had found it in his backyard (lucky duck!) somewhere in San Pedro, California, my current city of residence. Any information would be greatly appreciated!
  14. I recently got a small bag of fossils from the Miocene Santa Margarita Formation. These all came from the Templeton California area. There were some really interesting shark teeth ( Squalus, Squatina, Triakis, Pristiophorus) and quite a few fish teeth. This one particular tooth is a bit of a mystery. I thought it could possibly be a broken Heterodontus anterior tooth. I can’t rule out fish though. I suppose it could also be a marine mammal I’m not familiar with too. I’m a collector of Heterodontus teeth so my lean toward that could be a bit of bias. I thought I’d put it to the forum for other opinions. Maybe @siteseer or @Boesse can offer an opinion given their knowledge of California fossils. It’s small at 3mm so I can’t do much better with pictures.
  15. arationallens

    Could it be a skull?

    A long shot but I thought I would post just in case.
  16. svcgoat

    California Trilobite?

    This was found at a sale of an old rock collection. Seller said it's from California but not sure that's correct
  17. Kendall

    My first fossil

    Hello all! This is my first post, so forgive me. I found this near a small stream in a hiking spot called LimeKiln in Porter Ranch, California, Los Angeles County. I know nothing about the area, and while I’ve heard that LimeKiln used to be a lime quarry I don’t even know what lime looks like so I’d rather not guess as to what sorts of rocks are nearby. Anyway, is this an actual fossil? It feels heavy like a rock, not light like bone. If so, any ideas as to what it might be? Please forgive my hand holding video with no measurements. I will dig up a ruler tomorrow, but for tonight I’m just so excited about this I’m posting anyway, just in case what I have found is super obvious. Forgive me, I’ll do better next time! I really appreciate you looking at this thing I’ve found. It’s been on my list to find a fossil for a very long time. Hopefully this is it! IMG_1382.MOV
  18. FSL1

    Fossil ID Help

    Hi, Here is another find and a newbie ignorance question. I located on private land, in a wash, dried mud and sand. Mojave Desert near Barstow, California. Prehistoric bones have been found through the area. It is not a heavy as other rocks of like size, dark color, and the end broken open looks different than a rock. I thought petrified wood was a possibility, but it look nothing like the pieces of petrified wood I have. It doesn't feel spongey, but looks it a bit. It has a bone-type shape. I have not cleaned it yet, don't want to ruin it if I got lucky. Planter of keeper? Its probably petrified trash... Thanks for the help!!
  19. Foothill Amblers

    Request an ID

    Hi, Please see the attached pdf file. I found this large fossilized bone in a creek bed in California. Based on photos found online, it appears to be an astragalus. It has a distinct rectangular quartz inclusion that may have filled a preexisting cavity. I'm curious whether that is a distinctive trait that might allow it to be identified. Again, scanning the web, it may be a sloth or hippo, but I have no idea whether they corresponded in size. Being new to fossilling, I'm not at all sure of its origins. I originally thought it was a dino bone and am open to all opinions! THANKS! FossilFind2022.pdf
  20. Rare fossil clam discovered alive by Harrison Tasoff, University of California - Santa Barbara The open access paper is: Valentich-Scott P, Goddard JHR (2022) A fossil species found living off southern California, with notes on the genus Cymatioa (Mollusca, Bivalvia, Galeommatoidea). ZooKeys 1128: 53-62. https://doi.org/10.3897/zookeys.1128.95139 Yours, Paul H.
  21. JasonZBell

    Found: Very Large Whale Vertebrae?

    Hello All, This is my first time posting here, so I hope I'm doing this right. I did my best to crop the pictures I have and hope I've included what's needed. During our annual Thanksgiving trip, a friend of mine found what appears to be a large whale vertebrae on 11/26/22 in the Monterey Bay Area, between Seacliff Beach and New Brighton Beach in Aptos. Based on the known sea mammals that pass through these parts and a quick Google search, it looks to be a Humpback vertebrate, but there’s also the Blue Whale, Gray Whale, Fin Whale and Killer Whale. My guess is a Humpback, but that's just a hunch. It was found about 8-10” under the sand, just after high tide. At first, he thought it might be a tree stump or part of an anchor. It was pretty far up the beach, closer to the walkway than the beach water. The surrounding sand was damp and the bone still needs to dry since it’s been under water/wet sand for who knows how long(?). There is a gift shop nearby and they have fossilized bones, including one that’s a humpback vertebrae and it’s a lot smaller than the one found. It did say in the visitors center that these fossils have been found in the area that date back 2-5 million years. It seems improbable in my mind that this found one is anywhere near that old, but I’m a complete newbie to this. Thankfully, this forum looks like the ideal place to ask these questions. Is there a way to tell either how old or large the whale was, based off this information? Also, is there a particular method used to dry these out and get it back to its natural ivory color? I read that leaving it in the sun will bleach it, but I’m assuming that takes a while to do. Here are the measurements and pictures. If more specific pictures need to be added, let me know and I'll have them snap what's needed. Widest point: ~21” (side to side) Diameter of center: ~13.5-14” (one side is a little wider than the other) Depth: ~9.5-10” Thank you all in advance, Jason
  22. I'm thinking I have it backwards but I don't know it's big and I'm just not sure what the heck I have here
  23. bencoulter

    California Coast Petrified Wood ID

    Found this heavily mineralized rock on the California Coast (Refugio State Beach in Santa Barbara County). Looks like petrified wood, but I’m not sure if the “growth rings” are actually indicative of past tree growth, or if the lines are from some metamorphosed, sedimentary geologic origin. There appears to be some grain-like structure mixed in with the heavily silicated rock which leads me to lean towards an ID of petrified wood. Let me know your thoughts!
  24. Hi, I found this on the beach in Monterey, California, USA. I am not sure what it is and am wondering if this group could help me with identification. Thank you.
  25. This is a holdfast of a particular seaweed (not giant kelp) and is found in California
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