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Found 16 results

  1. Sharktooth Hill Trip Report Part 1 – building the sifting table Hi everyone, After my first trip to Sharktooth Hill in June, I was hooked. I immediately started making plans to return and, this time I’d come better prepared. This forum has provided an amazing source of ideas and helpful people and inspired me to build a sifting table for my next trip to STH. A huge thanks to those who have helped me by answering questions, providing pictures and ideas, and helping me troubleshoot. I gathered as much info as I could and then tried to combine all the best ideas into
  2. ThePhysicist

    Carcharodon planus

    From the album: Sharks

    "Hooked white shark/mako" Round Mountain Silt Fm., Sharktooth Hill, Kern Co., Bakersfield, CA, USA
  3. We have our Secret Santa package all ready to go and just got done organizing our loose shark teeth. I found a bunch of STH material that I had set aside for a trade that never materialized. I totally forgot I had them so here they are. This is a package deal, I don’t want to split them up. Saves on shipping. This would make a cool Christmas gift for somebody and we aren’t asking much in return. Sharks- Carcharodon hastalis, Carcharodon planus, Galeocerdo, Physogaleus, Carcharhinus, Triakis, Galeorhinus, Mustelus, Sphyrna, Cetorhinus, Heterodontus, Squalus, Squatina,
  4. fossilsonwheels

    STH Micros in need of ID help

    I am fairly comfortable with the STH micros as far as identification goes but I found a few things that I need some help with. First up is one that I am 90% sure on the ID but I want to be sure. I believe I found a couple of Raja teeth. The first one I found looks to be complete and tiny, a little over 1mm. I know skate teeth are somewhat uncommon in this fauna and this would be my first one.
  5. fossilsonwheels

    More cool STH Micros

    We recently got some great STH Hexanchus teeth from @JBMugu and he was kind enough to send us some great micro matrix. I always enjoy searching for micro shark teeth and the STH material usually provides quite a few surprises. This batch was no exception. I have only searched about about half of the matrix but so far it has given us some really cool shark fossils. I found a few Hexanchus teeth which included a tiny lower (pic 1) and a few commisural teeth. In our previous searches, we found a total of 1 partial Hammerhead tooth. This matrix was, comparatively speaking
  6. I have found several smaller fragments before, but never an intact one. This one turned up at the end of a very long day and I fortunately spotted it as my son was shoveling matrix into the sifting table. I startled him mid-shovel by shouting "STOP!" when I saw a row of white points sticking out of some matrix. Son was just about to throw another shovelful on top of it. Nice reflexes by him to change course mid-air to avoid me (now shielding the tooth with my body - LOL). Worth it. :-) Definitely had potential but I didn't know how much root was going to remain. After some careful
  7. After posting ID questions on a couple of STH whale bones that were mostly unidentifiable, I decided I'd post images of the one whale fossil I have that seems like a slam dunk ulna (Aside from an easily ID'd ear bone.). It may be debatable as to which specific family category, but at least its location on the whale is pretty certain, right? Too bad it's a partial, but it's all I have. It looks a lot like one that is called Tiphyocetus temblorensis in an image from the California Academy of Sciences. Tiphyocetus Temblorensis Even the mottled coloring is similar. As I mentioned, this
  8. Hello, While sorting through my Sharktooth Hill micro matrix I came across some very distinctive teeth that I'm hoping someone can identify. Image 1 shows three very similar teeth in different orientations. They differ from most others I've been seeing in that they ha ve 3 roots and three "tiers" - best shown in the orientation of the specimen on the far left (root, base, top). The other teeth in images 2 and 3 remind me of Squalus and I suspect that's what they are. But they seem to be missing a part (the exact same part) and don't appear to me to be obviously broken.
  9. ScottM

    Unusual STH tooth

    Going through my recent find from Sharktooth Hill I came across this one that was very different from any others I've seen from there. Possible bramble shark? Not many options that look like this. Your thoughts on it are appreciated! Picture isn't the greatest, but I'm hoping it's distinctive enough.
  10. Hello, I'm new to this but hoping to get more involved. I went to the world-famous Sharktooth Hill (Bakersfield CA) last week and it did not disappoint! I am now trying to ID the ~150 teeth we found but I'm not very good at it (yet?). I did a bunch of the easier ones and had some on-site help from more knowledgeable collectors that was great. Lots of unknowns still, though. If anyone could offer any tips for how to go about IDing these teeth, that would be awesome (ex. Carcharhinus spp. Vs Negaprion? Or Isurus/Carcharodon planus Vs hastalis?) I also suspect I have some Isurus oxyrinchus/desor
  11. When I started going through the package of donated STH fossils we got this week, this little fossil jumped out at me. It is a cetacean ear bone and it looks similar to a photo I saw of an ear bone identified as Liolithax kernensis, a primitive long-snouted delphinoid. I believe it is a fairly common find in STH. I can not be sure with the limited knowledge I have but it did look very similar. The more information I can get, the more information I can pass on to the kids so any opinions are welcome.
  12. Hello, found this tooth in the Round Mountain Silt formation in Bakersfield this weekend. The tooth had serrations, but they are worn down. At first I thought the tooth was a small meg, or a large hemi. Upon closer inspection it does not seem to fit either of those species well. The root is not consistent with that of a meg nor a hemi. Now I am thinking it could be some kind of Requiem shark. What do you guys think?
  13. Desert_survivor

    Tiny Meg or wishful thinking?

    Hi everyone, I was going through some tiny teeth from a recent trip to Ernst quarries (Bakersfield; round mountain silt; ~ 15 mya) and came across this intriguing little tooth. It is ~11 mm and serrated on both sides. Is this a tiny meg or just wishful thinking?
  14. JBMugu

    Bakersfield Fish Teeth?

    Hi Everybody, I found this interesting little piece the other day. It is from the round mountain silt formation in Bakersfield CA. I think it is part of a fish mouth but I am not sure, I cant believe I found such a small piece in all the silt. Sorry for the lack of scale, its about the size of half a dime. I thought I would let the experts weigh in and help educate me. Thanks for the help! Jesse
  15. From the album: Sharktooth Hill

    Family Dermochelyidae (leatherback turtles) Psephophorus californiensis Carapace Plates. The Upper shell (or carapace) are characteristically comprised of bony segments that interlock like a jig-saw puzzle. Miocene Leatherback Turtles attained lengths of 12 feet or more. The carapace were composed of 100 or more of these plates.
  16. RickCalif

    RayTeeth

    From the album: Sharktooth Hill

    Ray Dental fragments.....Slow Curve...Ernst Quarries.
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