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  1. 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! THANK
  2. 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.
  3. 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 Humpba
  4. 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
  5. 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!
  6. 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.
  7. This is a holdfast of a particular seaweed (not giant kelp) and is found in California
  8. I found this in a sand dune near Morro Bay, California. I've had it for decades, and am curious if anyone can shed some light on it's identification. To me, it looks like a tooth, but I've never seen any fossil teeth in photos that look like this. Thank you in advance!
  9. bencoulter

    Potential fossilized Whale Bone?

    Stumbled across this large potential fossilized bone on a beach walk today. Any ideas on what animal it could be from? Any info would be greatly appreciated. Shoe in one photo for size reference.
  10. Is the fossil site at Union Wash worth going to? I've read that the site's been depleted of fossils. Is that true?
  11. This was found in the Pliocene marine Pico Formation of Southern California. I'm leaning towards a marine mammal but I'm not even sure if this is bone or part of an echinoid test.
  12. BrandonMassey

    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 st
  13. Are there any Santa Margarita fm fossil sites that are still open/able to be collected from in and around the SF Bay Area? I want to try and hunt from the formation but all the classic sites, like bean creek, are now closed for collecting.
  14. I’d like to see the Pliocene fossils from California that people have I’ll start off with some fossils I collected from the Purisima formation at Capitola Beach A vertebra with a shell on the back A heavily eroded whale vertebra with some associated (rib?) bones Some cool clam shells Edited to add: Here’s a clam shell I dug up from the Pinole Tuff formation when I was 7. It was the first fossil I ever found
  15. I have recently been researching several local road cuts that expose fossils, and am interested in obtaining written permission/ a permit from Caltrans to surface collect there. I would like to know if this is possible for an amateur collector, and if anyone has personal experience obtaining collecting permission from government agencies. I would also appreciate any recommendations for obtaining this permission/ information to give when applying. Thank you!
  16. Anyone know anything about Californian Helicoprion fossils? I know they’ve been found in Eastern California, but that’s about it and I’d like to learn more.
  17. Mochaccino

    La Brea Tar Pit Beetle?

    Hello, Could anyone identify the species of these two beetles from the La Brea Tar Pits of Los Angeles, California, USA? The large one is 3 cm and the small one is 1 cm. I've heard the terms "water beetle" and "carrion beetle" get thrown around but it's confusing. I think the larger might be Cybister explanatus? Thanks.
  18. Hello everyone, I'm currently in California driving through many of the national parks, and other beautiful sites of the state. I saw that we may be driving through Bakersfield from Sequoia National Park while going towards the LA area and I was wondering if it would be worth paying a visit to the famous Shark tooth hill location, but immediately a few questions came up that I decided to ask here. First of all, does anyone know how accessible the site is? Does one have to walk far to reach it or is it pretty much accessible by car? I'm with my family who are unfortunately not very ex
  19. Hi All; I found this in a stream bed in Northern California. It looks like a heart and had some unusual indentions & stippling that caught my eye. Any help to let me know if this is a fossil would be appreciated. Thanks in advance! Q
  20. Found this in a stream bed in Northern California near Yosemite. It caught my eye & I thought it looked interesting. Looking for assistance in identifying if its a fossil. 57EAE5E6-0341-4DE9-9DF5-C71DE7B950BA.heic FBA4D04A-EF8C-4B88-8A9A-0F439E55C6C1.heic A2410DFD-DA95-47D2-AB7A-766C1C114715.heic 4AD3902D-2405-402A-9232-B803429A37B7.heic C0F44A10-076A-4277-AED5-7A45106DD5FF.heic EC820CA1-3224-4942-816C-F54A218DFE45.heic 7436F5F0-3137-4FEF-B29E-7A7CAE0B567C.heic 64BAC714-E8A3-4740-B1AD-4C5F30B4D2E1.heic 0ED11F6F-D6E7-4B81-BE3A-A5237C4CF3BB.heic 773F2539-F2FA-403F-9B0D-6DDC047905AB.hei
  21. 29ford

    Shell ID and age

    Hello everyone I need help IDing these shells and more importantly the age. I have had these for 25-26 years, I got them when I worked offshore the Gaviota coast California about 7 miles and they came from about 3-4 thousand feet deep into the formation (maybe deeper, I cant remember its been so long ). They have to be millions of years old, the water depth there is 1000 feet and like I mentioned earlier they come up from 3-4 thousand feet deep into the formation., Thank you
  22. Jlark18

    Unknown Backyard Discovery

    Two bones found in my backyard planter roughly 1ft/12in below the surface. Location: Orange County, Southern California, United States. The larger of the two bones has one side cleanly cut. We have never buried any animals/pets nor placed any bones in our backyard in the 30+ years our family has lived at this property. Perhaps they are from the previous owner. It's a little unsettling not knowing where they came from and what they belonged to. Any information you can provide would be greatly appreciated. Thank you.
  23. Brought my son out to my new secret spot in Contra Costa County, SF East Bay Area, CA (thankfully NOT within any park boundaries). The spot is a deep creek bed around a border where Eocene (Tdu/Domingene form.) and Early Cretaceous (Kbs) meet. There are lots of nice gastropod fossils in large masses of sandstone, a few brachiopods here and there, but my favorites are the many quite large bivalve fossils and whole oyster fossils we found. Today my son spotted a really nice cluster of large bivalves peaking out the wall of the creek bed, and he found another whole oyster! He was so thrilled.
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