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Showing results for tags 'southern california'.
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Trilobites - Southern California - Marble Mountain near Ludlow
ezeemonee posted a topic in Member Collections
Oldest fossils I have ever found as these Early Cambrian Trilobites are estimated to be half a billion years old! Still trying to wrap my head around that. lol Much thanks to the SoCal Paleo Society which organized this field trip back in 2021 out to the remote site in the Mojave Desert. Based on various ID help I got, these are mostly Bristolia bristolensis, Bristolia mojavensis, and some others are not ID'ed yet. These were small and around an inch or so in width but one member of our party found part of a much larger one further up the mountain. The ID sheets with examples were brought by the trip organizers to help with ID's. The Latham shale these Trilobites are found in is somewhat brittle and I used a putty knife to carefully pry apart layers to look for Trilobites without shattering them. Most survived the process. These are just trace fossils but have some pretty good detail surprisingly.- 2 replies
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- Bristolia
- Bristolia Bristolensis
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Malibu Creek Canyon Narrows - Oyster Bed and Shell Fossils - Southern California
ezeemonee posted a topic in Member Collections
Some examples of fossils found in the cliffs and boulders of Malibu Creek Canyon Narrows. Oyster Bed and Moon Snail and Turritella Shell Fossils. The species guess for the Oysters based on research is Ostrea (Pycnodonte) Howelli, but I am not sure. Probably Eocene period fossils. Maybe Miocene. Nice area of Malibu creek in the Santa Monica Mountains but difficult to access.-
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- eocene
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Pleistocene Shells - Rincon Point, Southern California
ezeemonee posted a topic in Member Collections
Many earlier Pleistocene period shells (~1M yrs ago) from a site inland from Rincon Point in Southern California. Got some great ID suggestions from various people on these and was informed that the shattered Trochita (Limpet like slipper shell) is probably one of two undescribed extinct species known from that deposit. Useful ID references for the area: Phill Liff Gieff, Frank Pesca Jr, Thomas Everest, and others https://inyo4.coffeecup.com/santabarbara/santabarbara.html Cyclocardia / Coanicardita - Grant & Gale (1931) Antiplanes - Raymond, 1904 Cantharus fortis (P. P. Carpenter, 1866), an extinct species- 1 reply
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- amphissa columbiana
- antiplanes
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- amphissa columbiana
- antiplanes
- borsoniidae
- caesia
- caesia perpinguis
- callianax
- callianax biplicata
- cantharus
- cantharus fortis
- chlamys
- chlamys optunia
- coanicardita
- cyclocardia
- cyclocardia bailyi
- cyclocardia ventricosa
- epilucina
- epilucina californica
- gastropod
- glossaulax
- glossaulax reclusiana
- ice age
- nassarius
- nassarius mendicus
- neptunea
- neptunea tabulata
- olive shell
- pisaniidae
- pleistocene
- pusio fortis
- rincon
- shells
- southern california
- trochita
- turritella
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Matilija Canyon Plant Fossil - Los Padres Mountains, Southern California
ezeemonee posted a topic in Member Collections
Found a carbonized plant fossil in Sespe formation conglomerate stone in the Matilija Canyon area of the Los Padres Mountains of Southern California. Likely something from the Horsetail family or something in the bamboo family. Based on the below report, these rocks are likely from the Oligocene or Eocene periods. The area has mostly Marine fossils but this was probably a land plant that washed out to sea and was deposited along with other flood debris on the shallow sea floor. Some credit on the geology of the area to: BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA V o l . 39 . pp. 1 0 8 7 - 1 1 0 2 D e c em b e r 30.'1928 SIGNIFICANCE OF THE MATILIJA OVERTURN BY PAUL P. KERR AND HUBERT G. SCHENCK (Read before the Society December SO, 1927)- 1 reply
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Topanga Canyon Miocene shell fossils - Southern California
ezeemonee posted a topic in Member Collections
Some roadside Miocene fossils found in 2020 in Topanga Canyon formation in the Santa Monica Mountains of Southern California. Large Olive Snail, Clam, and probably Turritella temblorensis. Useful info on the area: https://www.topangahistoricalsociety.org/archive/document/138- 2 replies
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Xyne grex (Extinct Herring Relative) - Jalama Beach in Southern California
ezeemonee posted a topic in Member Collections
Found some nice Miocene period fish fossils in 2020. They have been ID'ed as Xyne grex (Extinct Herring Relative) but other and larger fish species fossils as well as shark teeth have been found there too. There is some Great info on this site here!: https://www.nautiloid.net/fossils/sites/jalama/jalama.html- 3 replies
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Brittle Stars - Southern California Fossils - Los Padres Mountains
ezeemonee posted a topic in Member Collections
Just sharing some Fossil Brittle Stars from the Eocene era. Found in remote area of Upper Sespe Creek drainage of the Los Padres Mountains in Southern California. Fossil site location help credit to R. L. Squires 1994 paper on Macropaleontology of Eocene marine rocks, upper Sespe Creek area, Ventura County, southern California.- 1 reply
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Just posting some pics of some finds from Chivo Canyon from 2020 and 2024. Would really appreciate any ID inputs on the Unknown Fossils especially the roundish one with many circles in it. It was roughly 4-5" in diameter in the center of a roughly 1 foot diameter rock. Guessing Sponge, Coral, or may an Echinoderm like an Urchin. The Chivo Canyon area is known to have fossils from the Eocene, and Oligocene periods. There are also a couple other unknown fossils which could be bones but not sure. The Tower Snails or Turritellas are probably mostly Turritella Uvasana. I don't know what the other Gastropods are. Thanks in advance for any ID ideas! -Chris.
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Hello to all. I would appreciate some help identifying if this is a fossil and what it is. I found it in a canyon in San Diego and plan on taking it to our local natural history museum if it turns out that it is actually fossilized plant life like I believe it is. Thanks to the creators of this wonderful website and thanks to those of you who took the time to look at my post. I would also especially like to thank anyone who is able to help identify what this rock is all about.
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- fossil identification
- southern california
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Could this be a fulgurite? It does not appear to be magnetic, so I hesitate to think that it’s man made.
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This piece is completely petrified (if it’s bone). It appears worn, as well. I’m assuming it’s a partial since the narrow end (picture #2) shows what might be a marrow chamber. Picture # 1: Broad end…5.5 in wide x 2.75 in high. Picture # 2: Narrow end…3.75 in wide x 2.5 in high Picture # 3: entire piece from the narrow end…it’s about 4.5 inches long Picture # 4: entire piece from the broad end I realize it’s equivocal. I have other pieces I’m positive about, but I can’t make up my mind bout this one. Don’t worry, I won’t be disappointed if this one’s just a rock. Thanks! Melanie
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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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- bølling-allerød
- california
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Found this in the hills near coastal Southern California. From what I can tell, it’s another a croc egg or simply a concretion of some sort. I would appreciate any thoughts on this. Thank you in advance for your help!
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Hi All! Wondering what's in this rock? Fossilized worm burrows? Not fossils at all?
Spark posted a topic in Fossil ID
This is a 55lb rock my family found in a stream bed on a local hike in Southern California. Any idea what we've got? We are speculating some of the shapes look like worm burrows? Any information would be greatly appreciated! Thank you!- 8 replies
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- bivalve
- cretaceous
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Found this while digging in my backyard in Southern California. More specifically, Cerritos, which is just a few miles north east of Long Beach. I uncovered a whole layer of interesting rocks, a huge chunk of breccia, shale, sandstone, and even a ~2 in. long quartz, but this one actually looks like a coral to me. I can add close ups if necessary.
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- anthozoa
- california
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Over the weekend, I decided to take a trip to the Santa Monica mountains for a hike and a fossil hunt. There was information about the site in "NEW UPPER PALEOCENE SPECIES OF THE BIVALVE PLICATULA FROM SOUTHERN CALIFORNIA" by Richard L. Squires and Louella R. Saul, which contains Late Paleocene marine life. This is probably a good opportunity to warn fellow hunters that it is not a smart idea to go quickly up a canyon in near 100 degree heat. Under the early afternoon sun I walked too quickly and made the mistake of not pacing out the hike! Despite plenty of water intake I was still lightheaded by the time I found the site, and a little dizzy. I rested in the shade immediately and ate the lunch I had packed while cooling off. Then I got to work examining the scree for a while before heading down the canyon to my sweet AC. The spot: Unfortunately, not much caught my eye this time. Marine fossils I took home: While splitting, these concretions popped out. Anybody know what they are? I've been enjoying rearranging them. Lower left may contain a fossil, I'll send closer pictures if anybody wants to see. As well as this, which I believe is one of the above split open. It has a ringed, deviled egg quality. I found a similar piece in the Badlands of SD and was surprised to come across this here. If there's a technical name I'd really like to know it! Do pack plenty of water if you hunt around here for the next month or so, you'll be doing yourself a big favor. And go slow!
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ID request-probable Late Cretaceous, shallow seabed marine fossils
Shelley Rogers posted a topic in Fossil ID
I am new to fossil hunting, but I’ve always been a beachcomber and rock hound. I recently visited Sunset Cliffs in Point Loma, in San Diego, California. https://goo.gl/maps/csoVaYRvBr9556AJ7 As my husband surfed below, I remained atop the bluffs, where these sun-bleached relics kept demanding notice. Along with easily identifiable shells were a few items that I’d love to know more about.- 6 replies
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- cretaceous
- marine fossil
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So sorry for all the spam, I just have so many items I’d like to get identified. Found this at a site along the Southern California coastline, along with many other specimens (some already published looking for ID). Can’t tell if it’s bone or some type of petrified palmwood (this site is littered with chippings of palmwood).
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This was found at the same site we recovered a possible manta ray tooth from along the coast of Southern California. It has two to three distinct layers, one very thin layer possibly 1mm thick (on the outter side, displaying some black tar-like markings), a layer about 3-4mm thick (just below that thinnest layer described above), and the last layer being 3/4 of an inch thick (this layer is very porous). Can only provide one photo as I’m limited to the size of the upload, I possibly can upload more images if possible. Looking if we can get an ID on the subject, thank you for all of your help.
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- southern california
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Hello there friends, I’m new to the community, so I don’t really know how this works. I have a couple of artifacts I’d like to get an ID on, starting with what seems to be a Manta tooth?
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I found this sticking out of the dirt on a hiking trail in southern California, Palos Verdes area. It was on a hill where there are a lot of rocks and I have found some other fossils in the general area (mostly just small plant fossils and a couple of tiny fish fossils). I am trying to figure out what it is. The top is domed, like a half cynlinder, and it has a hole in the middle. The length is about 3 inches. The hole is exactly 1 cm and perfectly round. There is a lighter color to the outside compared with the core (see photo that shows in interior edges of the hole) leading me to think it might be a fossilized bone. One end has a scoop in it that looks like another hole, but is very shallow. The bottom looks more like a regular rock. I read that one way to identify a fossil compared to a rock is to touch your tongue to it. It sticks to the tongue, as would be expected from a fossil. I am thinking it might be a branch with an insect burrow hole in it, or a bone which had a hole carved into it. The hole goes about half an inch in and then stops.
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- bone
- california
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Hey all, Apologies for my hand in the photos, they're the only pics of the fossils I will be able to take for a while. Here are two fossils found at the Topanga Formation, or The Ampitheater, a roadside sandstone and siltstone bed in Topanga Canyon, Southern California housing middle Miocene fossils. The clam was my best find, but I'm not sure of its exact categorization. It measures about 4 inches long and 2.5 inches wide and thick. (10.16 cm x 6.35 cm x 6.35 cm) I had some thoughts based on this list that it may be Chionopsis temblorensis (Anderson, 1905), or Saxidomus nuttalli (Conrad, 1837). Also found were these segments which I inadvertently snapped apart, but which revealed some kind of crystallization of the interior. It would be really nice to know what kid of process made that, I tried to start the ID process myself and was unable to find a resolution. Your help is much appreciated, o wise ones. (;
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Public invert fossil collecting sites in Bakersfield area?
Wendell Ricketts posted a topic in Questions & Answers
Dear FFers: I’ll be in Bakersfield for the week before Christmas, spending some time looking for shark teeth on the hill and doing some research and reporting for Fossil News magazine. I was wondering whether anyone would be willing to share me any information about publicly accessible invert sites within an hour or so of there. I have a vague memory of reading that there were some road cuts with freshwater and marine mollusks, but I’ve no specific information. I was also wondering whether it was still possible to get permission from Chevron to visit the Kettleman Hills site. Does anyone know? I’d be up for a collecting buddy, too, if anyone’s available during that busy week! Wendell- 5 replies
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- bakersfield
- collecting sites
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These pictures aren't the best, but when I align the triangle hole to a picture of a nodosaur, most of the facial characteristics are exactly where they should be. This includes the line of the lip, the jawbone thing, the eye lid or whatever that is, etc. When you peer into the eye, you what looks like 3 spider legs perfectly fossilized. These must be veins, tendons, or ligaments. Theres a bunch of these on the other side of the face, along with what appears to be the meninges or dural matter. Two more facts on this heavy 15 inch piece - the optic nerve is about the size of a nickel and fossilized a crystal sandy color. Also, when I put the diamond tester to it, it goes right off. What do you think?
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- jurassic
- killed by meteorite buckshot?
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- amber
- chino hills
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