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Showing results for tags 'California'.
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Went out on my first time hunting fossil fish and found this! Any tips for identifying fishes? I’m new to this and any help is appreciated!
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Fossilized bone found on beach - marine mammal or other large land mammal? California Beach Find.
Lisa warner posted a topic in Fossil ID
Found this on the beach near Half Moon Bay, California. Looks maybe like it is the socket part of a ball and socket joint?
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Found this on a rocky beach here in Southern California, wondering if it is fish bone or a scale, or plant material?
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First Post! - Californian Anomalocaris
Sarcopterygiianson posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello! This is my first post. I'm happy to meet you all! I currently have a very modest fossil collection, but have been keeping my eyes peeled for some specimens that I was really excited about. I came across this fossil, which I was considering adding to my collection. It is described as a 200g fossil of a 60mm Anomalocaris appendage next to a small brachiopod. It was found in the Latham Shale in the Marble Mountains of California, and it's indicated that finding these is a very uncommon occurrence. I was wondering if anyone here might have insight as to if it's real, fake, or restored in any way. Thanks!
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What the heck? Is this anything other than a weird formation/layering of various substances? It’s large, probably 8-10 inches from broad end to narrow tip and 3-4 inches thick. photo 1: from the “top side” photo 2: the side of the narrow end photo 3: the tip on the narrow end
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Is this a Bivalve or brachiopod? Seller lists it as both. Found near Somis California, no other information given
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California, beach find.
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looks like a fish? but maybe i just got lucky? don't know how to differentiate, but even if it is a fish rock and not a fish fossil, ill still be happy with it! found on the beach in San Pedro CA.
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Any experience with Marble Mountains and trilobites?
milkhawk69 posted a topic in Questions & Answers
I went out to the Marble Mountains with my brother recently and checked out the area to find trilobites. I’m a novice and this was my first fossil hunting trip, however, I couldn’t really get to the site due to nearby roads being closed off. Before I go back and hike to the site, what are some advice you guys can give for fossil hunting in general? More specific advice for a site like the Marble Mountains would be greatly appreciated! I recently bought tools and hope to get more into paleontology! Thanks
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I found this bone on a beach in California. My questions are: 1. What is this bone and how old it is. 2. is the break that is fielded up with sedimentary rock was present in the original bone? If so, is it the way the bone is or it is a result of an injury? 3. Are the lines on the bone bite marks? it is around 6 by 6 cm. Thanks!
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Seller says this Ammonite has a label saying it's from Topanga Canyon California. However the Topanga formation is Miocene and I am unsure if there are Mesozoic formations nearby. Seller couldn't give me a formation as it's from an old collection.
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Hi everyone! Ever since I was little, I had a huge passion for dinosaurs and treasure hunting...so you'd always be able to find me in the dirt digging or in the library learning about the ancient world. Since I was always fascinated with the past I decided to dive in further into my interests and take two classes in college on paleontology and archeology. Now I go on walks almost every day in hopes of finding something special whether it be a fossil of sorts or any kind of rock or stone! I'm really excited to be a part of this community and I can't wait to learn more about fossils! --Duck
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Hello everyone. Fairly new… just found these. Riverside County. Just trying to figure out what they are. They looked pretty interesting. Would anyone know what they are?
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A rangeomorph holdfast trace fossil from the Ediacara formation, Rawnsley quartzite of the Flinders Range, South Australia. This specimen is Medusina mawsoni, so called because it was until recently thought to be a jellyfish, but is now believed to be the attachment point of a fractal rangeomorph as Charniodiscus is the point of anchorage for Charnia sp. This one may have been the holdfast point for some species of Rangea. The diameter of the outer circle is 1.5 cm and the fossil is estimated to be 555 million years old.
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Lake Amador, California (If you need clearer photos just lmk)
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I work at a college in Southern California. We've had a lot of donations recently to our science department and some of those donations include fossils. I was able to identify some of them, but there are a few that I am having some trouble with. Some of the other fossils that we received are: Sand dollars, clams, oysters, worm hole casts, a sea cow tooth, a shark tooth, crinoids, brachiopods, scallops, gastropods, and bryozoans. Very few of these fossils included where they were found. The two labels we received said that the sea cow/shark tooth were found in California, as well as some of the sand dollars. Aside from that, I do not know where the fossils were found or what rock layers they were found in. Below are pictures and descriptions of the seven fossils. The above pictures I believe are teeth. In the research that I have done, I think they might be crocodile or alligator teeth. The one on the left is slightly curved, but the one on the right is more straight. Both have four "layers"; a thin outer layer, a second (also thin) layer, a thicker third layer, and then a fourth layer that fills the middle. The surface is bumpy rather than smooth, which is unexpected in regards to teeth. The base (~1cm) is wider than the top (L: ~.5cm, R: ~1cm). Both are about ~2.5cm from base to top. The fossil on the left has a broken tip so it might be longer and more curved than it appears and the base is also broken on a diagonal. I have no real idea what to make of this fossil, but I am thinking that it might be a plant fossil. The top is ~1.5cm in width and the bottom is ~2mm in width. From top to bottom, the fossil is ~3cm. There is a ridge on both of the horizontal "limbs" as well as a half cm ridge starting at the slight dip at the top. What is visible of this fossil appears to be circular and ringed with smaller, inner rings and outer, larger rings. The diameter is ~1.5cm. A few of the other fossils that were donated were crinoids, so I was thinking this might be in the same realm as that, but it is so much larger than all of the crinoids that we were given. I am thinking that these might be clams because we were given an abundance of clams, but I am not certain. The one on the right has small, white crystals (possibly quartz) on the bottom of it. I tried to get a picture of the crystals, but they were far too small. I understand that this is super vague and might not be a lot to go on, but any help would be appreciated!
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Hi all Please and thank, help needed,!i struggling to sort out my shark teeth collection. Can any ID this Bakersfield teeth that Doren gave to me. 1.2.3
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These discolorations, perfectly flush with the rock surface, are in sandstone from the Matilija or Coldstone formation, I think. Some of the pattern suggests dendrites maybe, but perhaps it's organic in origin? About 8 cm long, 3 wide. Ventura County, CA. Thanks!
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Pre–Younger Dryas megafaunal extirpation in southern California
Oxytropidoceras posted a topic in Fossil News
How Early Humans May Have Transformed L.A.’s Landscape Forever Science Friday, NPR, August 25, 2023 Uncovering Death by Fire 13,000 years ago Micheal Price, Sciences News, August 17, 2023 La Brea Tar Pits Reveal Clues to Mysterious Mass Extinction By Shana Hutchins, Futurity, August 18, 2023 The paywalled paper is: O’Keefe, F.R., Dunn, R.E., Weitzel, E.M., Waters, M.R., Martinez, L.N., Binder, W.J., Southon, J.R., Cohen, J.E., Meachen, J.A., DeSantis, L.R. and Kirby, M.E., 2023. Pre–Younger Dryas megafaunal extirpation at Rancho La Brea linked to fire-driven state shift. Science, 381(6659), p.eabo3594. Yours, Paul H.-
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I've been a lurker for a while. First time I've gotten the courage to post. Did I indeed find a shark's tooth, or are my teenagers right to patronize me? This was found on a beach in San Pedro, California.
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Hi everyone! Pretty new to this forum but I’ve been fossil hunting for about 7 years now! Just wanted some help in this fossil identification that I found in Coalinga, California in the Central Valley! I usually find lots of fossilized bones, bivalves, oysters, and sand dollars- so I’m guessing it might be a sea creature? Or a bone? Or barnacle? I’m really not sure! Thank you ❤️❤️
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New member, first time posting! This object was located a couple of winters ago in the foothills above Los Gatos, CA at about 700' MSL. A large oak tree had fallen over and in the rocks brought to the surface (from a depth of about 3') by the uprooted stump was what appeared to be some sort of a fossil jaw. The inner surface has cavities which very much look like the roots of teeth, especially molars. It reacted very strongly to a drop of dilute HCl acid. About 45 grams in weight. Other fossils found in this area are small "clam" shells, foraminifera, mineralized whale(?) bones, and once I found a shark tooth. Geology maps show this area is Miocene sedimentary but it's quite close to a boundary of Miocene/Oligocene sedimentary. I haven't a clue if this "jaw" is from a mammal, a fish, turtle, (???) or not a jaw at all. Very stout whatever it's from. Any ideas will be much appreciated. Regards, Paul
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Hello everyone! I found this beautifully preserved imprint of a fish scale within the siltstone of the Cozy Dell Shale, Ventura County, CA. Middle Eocene. Wondering if there are any fish experts out here or how/if it is possible to narrow this down to any level of classification. thanks in advance!
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I had the privilege of digging for seven hours on a parcel that was once part of Ernst Quarry, but had long been sold. Here are the best items that were found. There was more of either the same or broken, not shown. The matrix was extremely hard and difficult to extract, but the hard work was worth it. One of the Hooked Mako's has tiny 2d manganese dendrites that grew on it. One of my other favorites is a pathological Cow Shark. The 3 sections of the Ray Plate are rare for Sharktooth Hill. There are some interesting micro teeth as well.
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