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Showing results for tags 'pleistocene'.
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A little fossilized jaw section I found on Kansas River sandbar. Has tiny stones stuck in it that I don’t want to remove. Very delicate and light, but completely vitreous. Perhaps a fish fossil?
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Mammal incisor (?) Found at Big Brook, New Jersey - any chance it's pleistocene?
TRexEliot posted a topic in Fossil ID
I just found this earlier today. It's so hard for me to judge age on mammal material in Big Brook because it stains so quickly... -
I found this fragment of jaw from what I believe is a beaver yesterday at Big Brook in New Jersey. Could it be pleistocene or just iron stained modern bone?
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Hi All, Thought I would share some fossils I have displayed around my office as well as several display cases I've put together. Some of the items I've purchased, and handful from members on here. Majority of the items I've personally collected. I just started in May 2023, and so far have been able to hunt for fossils from the Ordovician to the Pleistocene, in 6 different states. Thanks for looking! Few photos of the office setup. Hoping to eventually put into a display cabinet.
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Walked a sandbar today and found this fossilized tooth with part of jaw. Found on Kaw ( Kansas River ) sandbank Eastern Kansas. Jaw part is completely vitreous ( non absorbent/ non porous ) and tooth has begun to agatize. Not sure on I.D. … possibly Camelid?
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Hoping there's enough of this bone to ID. I'm 95% sure it's old, either Pleistocene or Oligocene (Chandler Bridge), based on the stratigraphy. The preservation looks similar to articulated Chandler Bridge material (white outside, reddish interior), which would imply marine. Not certain about that though.
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Found an odd bone that I am unsure of, I could use some help. Seems to be partially fossilized, and is from a site where I have found numerous fossil Bison bones and teeth. It has what looks like one flexor/joint end, but the other end isn't. Advice appreciated.
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- North Dakota
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Hi all, my first post here. I found this jaw section with a split tooth in a river in Columbia Co. FL. I assume some sort of canid but unsure. Let me know!
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I found this huge chunk of bone yesterday on a river gravel bank here in SE Texas along with some other cool finds. It is very river worn. I thought it was wood at first, but I'm pretty sure it's bone. It's solid as rock and heavy. Very heavy. It's 1 foot long (12 inches) and I think it could be a humerus? I wonder if it is big enough to be proboscidean or even a juvenile one? Thanks for any info.
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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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Went browsing around yesterday on a small bank I've looked at a thousand times just because I had the itch to do something I enjoyed doing personally and before I went home and had my twins thrown in my arms after work. I enjoy that too but I've been eager to get outdoors on the river. Easter weekend it's on! So I just stumbled down the bank not expecting to find anything and saw these two guys hanging out together... a severely worn glyptodont osteoderm and a nice, colorful Equus tooth. They were maybe an inch from each other. What a pair.
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EDIT: Likely just a weird concretion or weathered chunk of rock. 😬Thanks all for the clarification. Hi all - while looking for Cretaceous fossils, I found some interesting chunks of what I thought might be bone of some kind amongst the piles of white limestone. When I cleaned them up at home, they started to look more and more like a very worn mammoth molar and some other fragments. Can anyone confirm the ID or offer any other info/ideas? Thanks! IMG_8252.dng IMG_8274.dng IMG_8282.dng IMG_8286.dng IMG_8355.dng IMG_8356.dng IMG_8359.dng
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Found this tooth coming out of a cliff in Half Moon Bay, about 2 inches in length and 1 1/2 inch wide. For its size, pretty heavy. U shaped indentations on one end.
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Does anyone have a clue what this distal humerus came from? I found it in Pleistocene gravel in southeast Texas. From the limited images, I have found online I do not think it is bison. I’m leaning toward horse, but wondering if it could be tapir. I would appreciate any insights.
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In NJ for the next couple of days on business and able to make a side trip to Big Brook today. Among the usual shark teeth, I found this mammalian tooth. It most closely matches some photos of Pleistocene age beaver teeth that have been found. Is that what it is most likely or could it be another mammal? Apologies for the photo quality, I'm still on the road and did my best.
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Below are two Pleistocene mammal teeth from "river gravels" in Florida. I have to further information on their age or locality, unfortunately. The left was merely identified as a "mammal tooth", and I strongly suspect it is from Trichechus manatus, but I have very little experience with mammal dentition and as such thought it would be best to check with someone with greater expertise in the field first. The right tooth was identified as a "peccary tooth", but given the fact that a number of tayassuids were present in Pleistocene Florida I wondered if the tooth could be identified to a genus, or better yet a species level. I will now take the liberty of "@ing in" a few people: @Harry Pristis and @Shellseeker Thanks in advance for any proposed ID's Othniel
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A short post today, just wanted to upload this interesting Rhizocorallium (?) I found on my most recent fossil hunting trip! It’s still the dead of winter here in Saskatoon, but we had a warm snap recently and I was able to hike out to a local glacial silt exposure and found it. Hoping to return to this site soon and hopefully find more!
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I added a couple of threads on Activities connected with FPS field trip to Hallie Quarries in the vicinity of Newberry, Florida. I have some photos of the Quarry to provide a sense of what it was like and some additional finds. The Quarry I visited is just one of many at this location. and the one I was in... huge. A wall in the distance, heavy movers to stay far away from, a "tiny" FPS member searching the low wall ahead. I am walking around this mountain of rock on my left , searching for fossils that may have fallen down the cliff face. I am very careful the few times I attempt to climb the cliff face reaching for a fossil just a little too far away... There can be great rewards... Gorgeous, and and there are lots of potential shell, and echinoids in this semi hard rock, I have a rock hammer and trowel. Can I possible get this out in one piece.. I have already broken others or found that they were already broken before my arrival. So I decided not, and just walked on with a photo and a memory. As I continued around the mountain, I came to this site , took a step forward, and quickly stepped back . A sinkhole about 4 feet across, and with a single glance inside I saw it was at least 25 feet deep. This one is not particularly large. The Quarry has lost a number of large earth movers in sinkholes. This is where I recall signing the waiver stating that I am totally responsible for any of the various dumb things I might do while hunting for fossils and hold the Quarry owners blameless for any/all damages to my body. Roger Portell was our guide and Advisor and we moved a couple of times to locations that might provide different fossils. The last stop was supposed to contained marine (shark teeth) and mammal fossils. As we stepped out of our vehicles, Roger showed us another sinkhole, advised us to be careful , and described recoveries of mammal bones and teeth from this area decades past. I was fortunate to find one of those teeth, described in this TFF thread. https://www.thefossilforum.com/topic/139986-love-the-surprises/#comment-1479029 It was laying on the ground 5 feet to the left of this sinkhole. Sometimes I am just blessed in the right place at the right time. Here are some other finds of the day, with what ever I currently know about them... 1) M. americanum , a Sea Biscuit, approximately 4 inches in width, encased in matrix. 2) What I refer to as Jingle shells, and a small Echinoid...On the Echinoid, I have to wash, brush , scrap off some of that concrete like matrix to figure out what it is.... 3) A couple of Oysters... there few shells free floating from the concrete like matrix like these. 4) More shells, this time in Matrix 5) Did I mention Endocasts ? All over the place.... Sometimes hard to differentiate from shells. 5a) This one reminds me of a cowrie.... but not like any modern or even fossil ones that I have seen... I had previously found exactly like this one in a bone valley creek.. Would like to Identify.. Hope you enjoyed the trip. Comments always appreciated.
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I found this concretion with something inside, looks like half of a nodule with something bone alike. Found it while sifting for Miocene shark teeth in a clay quarry in the Antwerp region in Belgium. I think the gravel i'm sifting is Pleistocene with reworked Miocene as i've found pieces of Mammoth bark in it as well. This piece leaves me clueless tho.. The concretion measures 9cm x 5cm sorry about the poor quality pics, that's the best i can get out of my smartphone... Thx!
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Recently found this quite large and heavy (piece of) bone by the Schelde river shores in Antwerp, Belgium. Most pieces that wash up here are Mio/Pliocene but actually most Neogene layers are represented in the area as well as Pleistocene and more recent. I'm thinking whale because of the size, but honestly i don't have a clue. Measurements are 22cm x 10cm x 5cm thanks in advance! Dries
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On a recent visit to Key West, Florida I found this imprint in a rock along the shore. This was a piece of rip rap, so its original location is unknown but I believe most of the fill and rubble in the area was sourced fairly locally (South Florida). The bedrock at this location is the Pleistocene aged Miami Limestone, which is from the Wisconsinan to Sangamonian stages (<700,000 years) but even in all of southernmost Florida (say Miami and south) the oldest you get is Pliocene. So, while I don't know the exact age, I'm pretty confidant it is fairly young. The imprint is about 5cm wide by 9 cm long. Hard to tell in the picture perhaps, but it is probably 3-4 cm deep. In the picture on the left, you see the whole rock, including the other bivalve casts etc in there. Looks pretty typical for what I saw in the limestones of that area. The picture on the right is the impression enlarged. I did not bring it home with me, so this is the best I can do with pictures. My first impression was it looked like the impression of an ammonite septal wall, but of course it is much to young for that. Only other thing I can think of is the impression of the top of some type of coral, maybe a brain coral, but I'm struggling to visualize it as it looks too symmetrical for that. The detail is pretty neat. Anyone recognize this? @digit @hemipristis @Harry Pristis
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This is an Iowa sand bar find. The (large) molars seem to be more rectangular than other more square equus teeth images I have seen. Also, there are only four teeth with one not yet emerged. I believe this indicates that this jaw is from a young animal with only having the deciduous "milk" teeth. Any help zeroing in on a specific species would be appreciated!
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Peace River find. I think it is a Raptor claw. Would appreciate any other possibilities. Some questions: Can we tell left or right foot ? Which digit (Obviously not hooked)? What Raptor? and finally.. Is it modern? @Auspex
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Hi Everyone, I am completely new to the forum but have loved fossils since I was a kid holidaying on the Jurassic Coast in the UK. I was searching for potential fossil sites in the Netherlands and went to Zandmotor (Den Haag, Netherlands) hoping to discover a complete Mammouth Skull. Sadly this hasn't happened yet, but I found numerous interesting finds (which I photographed below). My girlfriend and I have managed to identify most of them however I am having trouble identifying the second picture of the (brown pointed pieces). I think they could be fossilised wood (they look wooden to me but then part of me thinks they could be bone - ribs perhaps). Of course, they could just be nothing at all. My Girlfriend's 9-year-old daughter now has to know what they are, so I thought I would ask some experts. I would love any input on this as this is not something I have encountered before. Any help would be gratefully received. Many thanks in advance Mickey
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Tooth Identified: Rare mega-marmot, Paenemarmota molar discovered
Jaybot posted a topic in General Fossil Discussion
Last month I posted an Id request for 3 molars, and two were identified as Peccary. Just to be clear, I personally did not find them, as I was requesting an id on behalf of others. The third tooth was left unidentified, and I was recommended by Shellseeker to contact a museum for help. If you would like to read the original post, and view photos, here it is: I eventually contacted the Denver Museum of Nature and Science, and David Krause of their Paleontology department sent me this: ''Hi 'Jaybot' –– No worries. Thanks for getting back to me and for confirmation about the scale bar. The fact that your scale bar was in centimeters helps to confirm Kristen's (cc'd here) tentative identification that your tooth is that of a Plio-Pleistocene mega-marmot, the genus name of which is Paenemarmota. The largest species is Paenamarmota barbouri (close to modern beaver size) and your specimen seems to be in that approximate size range, although precise measurement is warranted. After Kristen's tentative ID, I reached out to one of our Research Associates here, Greg McDonald, who is another expert on Plio-Pleistocene mammals, who, in fact, has recently published on Paenemarmota (see attached file). He tentatively confirmed Kristen's identification and further identified it as a right lower third molar.'' Here is the paper he attached in the email: McDonald et al. - Paenemarmota from NM - 2022.pdf This is very interesting to me, and I figure that y'all might enjoy this as well. I would never have guessed mega-marmot I'll tag everyone in the original post so they can find this: @jpc@Danielb@Balance@Shellseeker@dries85@CDiggs@Harry Pristis Have a great day!- 4 replies
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