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Found 236 results

  1. Fossil echinoid?

    I found this interesting fossil the other day, and have struggled to find out what it is. It's from the Jurassic of Northamptonshire. Scale is centimetres. It's partially broken, so may have been completely spherical? Many thanks. Sorry the pictures are a little dark.
  2. Unknown Russian echinoid

    What do you think it is? The definition I got on the local forum is "conditionally classified as Plegiocidaris" Guides/handbooks on Moscow Mezozoic (unfortunately mostly outdated) list 5 genera: Echinobrissus, Rhabdocidaris, Acrocidaris, Holectypus and Cidaris. For this and neighboring stratigraphic zones Echinobrissus and Rhabdocidaris only, mainly the latter. Both are defined by spines, sometimes isolated plates
  3. I am proud to introduce my new most prized fossil - Paracidarid Echinoid from the Glen Rose Formation of Texas, Cretaceous. A.K.A My Precious I've been looking for one of these for YEARS and my new fossil friend from Dallas gifted me this beauty he found in the Texas Hill Country. So now, in addition to the segments and partials and spines that i found... I now have a whole one. MY PRECIOUS 3 inches diameter
  4. I justify my going out to fossil hunt right now as "exercise"! Everyone needs exercise! And I have had some really good "exercise" lately! I am to the point in my fossil collecting that it's about finding "better" specimens and the very occasional new thing (which is SO very exciting!) Two in particular have eluded me for a while : Oxytropidoceras Ammonite and Leptosalenia mexicana Echinoid. I have found partials and bits and pieces, but had been unable to find a good one...until now! All are from Texas Cretaceous . The Oxytropidoceras is not the prettiest one in the world, but it's mine and it's a whole one, so I am super happy. 4 inches diameter Fort Worth or Duck Creek Formation This little echinoid has been a real bugger to find. I'd found one, in beautiful condition, only to have it fall apart on me and I found another that is so water worn it's almost impossible to tell it's a L mexicana. So FINALLY I found a lovely one! It's not showing up as well in this photo, but it's a deep purpley grey color! 1/2 inch Walnut Formation And some other good finds - some nice crab claws! Two are unidentified (if anyone knows, please do tell!) and the other is just a nice big one, albeit a bit broken. Unknown crab claw from the Walnut formation: A small unknown crab claw from the Glen Rose Formation: And a honking big Pagurus banderiensis from the Glen Rose Formation: Plus it's always great to find some "better" fossils. Here are a few nice finds: A nice Heteraster from the Walnut Formtiaon; Plus a nice Gastropod Anchura And even a "lowly" bivalve - known as a Texas Heart: Cucullea blancoensis
  5. "Baby" Clypeaster

    From the album Fossil Collection

  6. Clypeaster "in situ"

    From the album Fossil Collection

  7. NSR, April 23rd

    I headed out to the North Sulfur River yesterday morning. It was a beautiful day, and as always, there was some good stuff to be found.
  8. Echinoid spine or crab leg?

    So-this collected yesterday in the Kansas City area again, but not sure what "layer" as the road cut was a jumble of mixed rock. My first thought was sea urchin spine, but I see only one row of spines, similar to what you see on many crustaceans; even though it is half-buried I thought sea urchin spines had generalized "points"?.... thanks again for all your patience reviewing these! Bone
  9. I took a trip yesterday (Easter Sunday) morning to a few river sites in a neighboring county. The first spot I went to is a Pliocene exposure of zone 2 Yorktown Formation. While I found the normal culprits of teeth, mako's, hemi's and a small meg; it was the unexpected find that made this trip. While I have found fragments, I have not found anywhere near a complete echinoid there. Well Easter changed that, the Echinoid Bunny left me a good egg. I found a gorgeous complete Arbacia improcera. A rare Pliocene echinoid, my first. As found: after the first cleaning: second cleaning: third and final cleaning:
  10. Hey everyone! This will be my first attempt at a trade in the TFF. Im offering a variety of fossils from the Price Creek Formation of Humboldt County, Northern California. This formation has been dated to late Miocene early Pliocene. As far as to what I’m looking for in this trade, I love all things Mollusca! Gastropods, Bivalves, Ammonites, Belemnites or Brachiopods, I’ll take them all. Invertebrates of any kind will strike my fancy though. The weirder the better. I’ve seen some Ram’s Horn Oysters that are awesome! I have no qualms about trading for these as a whole set, however shipping would be cheaper. I’m willing to ship anywhere in the United States, if your international I’m afraid that you’ll have to absorb that cost. I really appreciate all the knowledge that members have been forthcoming with sharing. Please pm me if your interested. -Nick
  11. March 17th, 2020 Peace River

    I've spent the last few trips Socially separating on the Peace at Zolfo Springs. Yesterday I found some pretty interesting stuff. I've switched back to a 1/4 " screen for a while because the 1/2" and the extended shovel handle was killing me. As a result, I've gotten a ton more small shark teeth, but have been able to process a lot less material. This was the total take for Tuesday. The invertebrates are the most interesting I think. In the lower left corner is a juvenile Abertella aberti with some minor damage but an intact perimeter. I've got a question about the sea biscuit though. It is clearly a Ryncholampas sp., but which one? This is Hawthorne group, not Suwannee, so should I assume it's R. chipolanus? Close up pictures follow.
  12. Help request! I am putting together a tool for judging rock age based on very crude, whole-rock, hand-sample observations of fossil faunas/floras -- the types of observations a child or beginner could successfully make. I view this as a complement to the very fine, species-level identifications commonly employed as index fossils for individual stages, biozones, etc. Attached is what I've got so far, but I can clearly use help with corals, mollusks, plants, vertebrates, ichnofossils, and the post-Paleozoic In the attached file, vibrant orange indicates times in earth history to commonly observe the item of interest; paler orange indicates times in earth history to less commonly observe the item of interest. White indicates very little to no practical probability of observing the item of interest. Please keep in mind that the listed indicators are things like “conspicuous horn corals,” purposefully declining to address rare encounters with groups of low preservation potential, low recognizability, etc. Got additions/amendments, especially for the groups mentioned above? Toss them in the comments below! Thank you..... https://docs.google.com/spreadsheets/d/1tVm_u6v573V4NACrdebb_1OsBEAz60dS1m4pCTckgyA
  13. Echinoid?

    Is this an echinoid?
  14. Heteraster?

    From the album Fossil Collection

  15. Pinnules and echinoid spine?

    Hello again, I find these crinoid parts (I think) all the time and just want another opinion on what it is. I think number 1 is crinoid pinnules. Number two is the first and only one of these I've found so far here.(Mississippian redwall limestone, Mooney member). It's about 1/4 inch long and I'm guessing perhaps an echinoid spine? I appreciate any input you guys might offer. Thank you Bob
  16. Moroccan echinoids

    I have these as Goniopygus menardi. These are from Morrocco. No stratigraphic info or specific location. Does that look correct? Scale in mm. I have these as Asterocidaris spines. Also from Morocco. Thanks for any help.
  17. It's a New Year! Time for New Fossils Finds! i enoyed a post on the FB Fossil Forum of what are your "dream fossils". So this is a New Years version....what are the fossils you HOPE to find this year? I know for me, it's that danged Big Echinoid Cidarid that has been eluding me. Also, a psudodiadema echinoid. I have partials of both but really want a whole one! So, Universe, or whatever Omnipresence is Available, that's what I want to find this year! What are YOU on the hunt for? We want to know! Cidarid: (I "borrowed" the image off the internet....ya'll might recognize it from a post here in the forum) ! Pseudodiadema:
  18. ID confirmation request

    Good morning. I have a fossil Echinoid that I would like to verify. The information I have is Eupatagus antillarum, Pliocene. It's from the Caloosahatchee Formation, Lafayette County, Florida. Comments please.
  19. Echinoid ID

    Found recently in Split, Croatia, near Adriatic sea, on hill called Marjan Location If someone can tell the species? Thanks
  20. An Echinoid from Morocco?

    These were in one of those sets of mixed fossils you can get. Must've first got them over 10 years ago. Anyway, since most of them were from Morocco I assume this echinoid is too, as it has a similar looking matrix to the others. All the label says is it's an Echinoid from the Cretaceous, but as some of the other labels in the set were clearly wrong it could be from another period. Its one of the last fossils from this set I've been unable to identify, so I'm hoping one of you guys has one or knows the genus and where it is indeed from.
  21. Again, thank goodness for cameras and closeups!! I thougth this was a large orbitolina when I found it, but noticed that there was an odd pattern on the underside. I just figured it had some strange mishape. But then I was looking through @Uncle Siphuncle's Fossil collecting reports and ran across something that looked very similar - floating crinoid Peocilocrinus but they were from the Paw Paw formation in North Texas and this is from the lower Glen Rose in Central Texas. So I realized i needed to get a better picture and lo and behold....it has interesting pattern on the backside!! I remembered a picture I had seen of a starfish dermal plate or something that had these same striations on it. Can anyone help me ID? @erose or @JohnJ? Thanks for your time!! close up
  22. North Texas Ammonites

    Finally got some time to do some fossil hunting during my travels. This was as I was going through North Texas. Found some beautiful partial ammonites with sutures showing, and one (my favorite) ended up having three echinoids still in it. I plan on leaving them in there, of course. This guy was like 50 pounds Before cleaning with a brass brush After cleaning The whole view Too big to bring home. Maybe I'll grab it next time. I'm so sad I lost this little ammonite on the way back to the car See if you can find the echinoid I missed, but found afterwards while looking at this picture
  23. Hello all! Went a hunting in the Glen Rose Formation yesterday and found a few nice salenia texanas...I think. The first one, has the rounded cap, the next one is a bit more "indented" But the last one has a very different looking "cap". Is it perhaps something else? Also found this tiny spiral, I am thinking its a worm, but never seen one do this perfect spiral. It's so tiny and poorly preserved, unfortunately, pictures are hard to get. Any help will be appreciated!
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