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  1. Hi everyone, some time ago I got this fossil tooth from a European collector, the only thing the seller was able to tell me is that it was a canine of a carnivore (quite evident) and that it had been found in the most recent sediments of the Linxia basin in the HeZheng area (corresponding to late Pliocene-early Pleistocene age). Intrigued by the fossil, I decided to buy it and find out what animal it was. The first thing to do (in addition to hoping that the seller has given you correct information) is to search for articles regarding the fossil fauna and the ecology of the area where the fossil was found. In my case I found a very interesting article by paleontologist Deng Tao (Character, Age and Ecology of the Hezheng Biota, 2005) who gave me an overall view of the variety of carnivorous mammals that characterize the fossil association. Then we move on to carefully observe the fossil, based on the curvature of the tooth this would seem to be a left upper canine. Another important detail is the presence of evident grooves on the crown of the tooth, this feature suggests that the tooth belongs to a feline. Which felines were present in the fossil fauna of the area? -Panthera palaeosinensis = one of the oldest known species of Panthera, but its relationship to other Pantherinae is still debated -Felis teilhardi = an enigmatic lynx like cat -Lynx shansius (Lynx issiodorensis) = an ancestor of the current lynxes, generally it had larger size and with a more elongated snout -Sivapanthera linxaensis (Acinonyx pardinensis) = ancestor of today's cheetahs, it could reach much larger dimensions. Then we proceed by exclusion, the tooth is too slender to be a tooth from Pantherinae and also too big (62+ mm) to be Felis teilhardi's. There are therefore two options, Lynx shansius and Sivapanthera linxaensis, here the analysis becomes more complex because it is necessary to obtain precise measurements of the tooth. Therefore, the length and width of the tooth (mediolateral breadth and anteroposterior length) are obtained. The height is not important because it can be compromised by wearing or possible fractures. Using a digital caliber, I obtained a length of 12.2 mm and a width of 10.1 mm (the measurements are probably inferior than the real dimensions because the presence of the matrix and the skull did not allow a correct estimation. Probably the tooth is larger by 1-2 mm). Comparing the measurements obtained with those reported in numerous articles, we can observed that the dimensions of the tooth are slightly greater than those of a large specimen of Lynx shansius while they fall within the size range (very close to the lower limit, see graph) of Sivapanthera linxaensis. To conclude, considering the underestimation of the measures, either it is a large lynx (unlikely hypothesis due to the lack of wear on the tooth) or it is a young specimen of Sivapanthera linxaensis. Thanks for making it this far, I hope this little recognition exercise of mine can serve as a little guide on how to go about trying to identify a fossil. Clearly, if someone has a different hypothesis or a different theory, they can explain it.
  2. Drizzt0000

    Fossil bone?

    Anyone know what this is from. Found under a bridge on the Smokyhill River
  3. Hello! This is a small fossil from the White River Formation of Weld County, Colorado. To me it appears to be a set of front incisors rooted to a small piece of the maxilla or mandible. There are no teeth or tooth sockets next to the two that are there, and so this makes them look like the two incisors characteristic of rodents and lagomorphs. Interested if anyone can tell me anything else about them. Two photos are through a stereo dissecting microscope at 20X magnification, the other two, though blurry, should give a sense of scale. The entire fossil is about 9 mm tall, with the tooth crowns themselves being about 4 mm tall. Thanks!
  4. Jim Kovalchick

    ID help needed...please

    I found this chunky fossil this morning at Myrtle Beach. I would love to think its mammal associated, but I'm not sure it's not just a mollusk fossil. I may learn more by cleaning the crusty ocean stuff off.. I don't think it's a cast based on the grain in the broken cross section. Any help would be appreciated.
  5. Shellseeker

    A broken Miocene Tooth2

    Not a lot of information here. The area we are hunting generally has small shark teeth, Megalodons, a very few Great Whites, plus marine mammal teeth, verts, etc. There is an occasional land mammal identification, such as Gomphothere. I generally think middle to late Miocene. This is not my find. I am trying to Identify for a friend. My immediate reaction was not whale because I can not detect any horizontal banding and I should see it... Also I have not seen enamel caps on whale like this. I thought Dolphin, but even now, I do not find that convincing. All comments appreciated.
  6. Here is a small tooth found on a beach near Jensen Florida. The crown length is about 7/16 inch or 1.2 cm. It is an isolated beach find. Thanks for your help.
  7. diginupbones

    Large mammal bone Miocene

    I haven’t had much luck getting these larger bones identified in the past but this one is a little more complete so I am hoping for at least an ID on what part of the body this came from. Found in North Central Nebraska@Harry Pristis
  8. ATAG

    Unknown teeth from Russia

    This teeth was found on Azov See shore, Russia. Taxonomic identification and geological time of this find doesn't know. Age of rocks from the late Miocene to the late Pleistocene.
  9. garyc

    Mammal tooth

    I think this is a premolar. I’m thinking camel, but maybe bison?
  10. Fossil Digger

    Pelvic Bone?

    Another mysterious bone found near bison bones.
  11. Hey guys! This hunt was on more than a month ago, on the 18th of July, but I haven't had time to make a trip report till today. Better late than never! In late June I invited my good friend Tijn ( @Hunter0811) to come hunt with me at the Zandmotor, and then come to my place to see my whole collection, and we had a great time talking about all things fossil-related. That evening he told me about a new location he had discovered near his house in the east of the Netherlands which also had Ice Age mammal bones, and so we made plans to meet up again soon, but this time over there, so that we could check this new place out together. He picked me up at the train station and we biked to the place. The weather was nice, although maybe just a bit too warm, but sunny and good for fossil hunting. We had to cross a small field with cows to get to the place after parking our bikes, and they were curious to see what we were doing so they approached us to say hi. The site is near a village called Lathum. It's quite literally a big pile of rocks: gravel with lots of erratic stones, all dredged from the bottom of a nearby pond. The hunting there consists of just looking in between the stones.
  12. Hi everyone. I just ordered a cast of a Adapis parisiensis to add to my Eocene display. But after searching for some info on Adapis I have learned that they are apparently extensively studied, but hardly any of the information is available on the internet. So I was wondering if anyone here could help me narrow down some of the very sparse information that is available. I have learned that they are found in the Quercy Phosphorites Formation and in the Paris Basin. But especially on the case of the Paris Basin I really can't find anything on the exact locations where fossils of these early primates were found. Regarding the age of these fossils, I have found that they are from the Ludian stage, which is a European stage that falls in the Priabonian. I know the Priabonian lasted from 37,8 mya to 33,9 mya, but I can't seem to narrow down the exact age of the Ludian. I hope some of you might be able to help me out with some of these questions. Thank you in advance!
  13. diginupbones

    Very old jawbone section and teeth

    Found in south central South Dakota. Miocene. Assuming this is from some kind of small mammal but not sure. Thanks @Harry Pristis
  14. RescueMJ

    Florida Mammal Bone ID Vertebra

    Recovered a reddish brown, dense, solid fossil yesterday. Flat spot 40mm x 40mm. Widest part is 75mm x 45mm, x 55mm high. Found in Pleistocene material. I'm guessing it is part of a vertebrae/spinal column. Looked for comparative pics in galleries... was unsuccessful. Thank you in advance for ID assistance. Regards, Michael 40mm x 40mm squared area
  15. Lkemerling

    Unknown claw

    Hi everyone, I am a very inexperienced fossil collector. I found this claw in my driveway among the gravel. I live near Austin, TX but I’m unsure where the gravel originated. Any ideas?
  16. Hi, not too long ago I went to East Runton and Happisburgh in the hopes of finding some fossils, whilst the best time to go is winter, I was happy going in Summer. Apparently, fragmentary Mammoth molars are found commonly at Happisburgh during winter months. I found possibly two bits of mammal bones, possible fossils shells (one was in the clay cliff) and an orange belemnite. Is it possible to identify the bits of bone, or are they too small? Possible fossil shells Possible bits of bone. The top bit split when I picked it up, unfortunately the split bit then split, so that's just drying now after being glued. Orange belemnite
  17. I need some help with some I.D.'s. These were both found in some matrix I collected recently in Craven County N.C. The exposure is Eocene Castle Hayne Formation, ?Comfort member. The site produces a few shark and fish teeth, crab claws, echinoids and starfish ossicles. It is a limestone / bryozoan hash. It is possible of course that this stuff is recent or even possibly Pleistocene as I have found pieces of mastodon teeth very close by. First is a small mammal tooth, 4mm long by 2.2 mm wide. Next is a small jaw piece with teeth. I first thought fish, then was thinking lizard. But I really have no idea. The entire section is 10.6 mm long. the teeth are very very small.
  18. CornyCook

    Various Vertebrae

    These we found in the same section of a river, but I don’t know what types of animal or animals they belong to. The center and right vertebrae seem as if they fit together, the left one resembles a large fish possibly. I Appreciate any and all help with identification. Thanks!
  19. Dereynes

    Iowa River find 2 unsure

    This is one I’m not really sure about this vertebra, or this leg bone?... both are very heavy for their size!
  20. Dereynes

    Iowa river finds

    To me this skull looks canine, but not quite sure. Please have a look and let me know what you think?
  21. bthemoose

    Mammal Tooth from Calvert Cliffs

    I found the tooth below on a beach along the Calvert Cliffs (Miocene exposure) in Maryland this morning. Any idea what it came from? It looks like some kind of mammal tooth to me though it's missing the root. I'm not sure whether it's a fossil or modern. Thanks!
  22. GPayton

    Unknown Humerus

    I found this distal end of a mammalian humerus several weeks ago on the Brazos River southwest of Houston. After hours of searching, it doesn't seem to exactly match any of the common suspects: deer, camel, horse, or bison. Deer or camel is more likely than horse or bison, as the bone is relatively slender and the end of it isn't as bulky as either of those animals. It is possible that I have incorrectly ruled out deer and camels as the trochlea and capitulum on the end are very worn down. If anyone has any suggestions, I'm more than willing to hear them. Thanks!
  23. diginupbones

    Need ID help on 2 similar teeth

    I thought the one on the right looked like some Merychippus I saw but have no idea on the other one. Nebraska Miocene.
  24. This tooth looks a little different than the rest of my cow/bison teeth. I can’t seem to find anything with that slight fan shape and double stylid.
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