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Found 28 results

  1. screw-shaped, chamberless cephalopod?

    Hey! I was looking for native artifacts in a neighbourhood creek when I came across what I thought was a somewhat large cephalopod fossil. The creek is in Louisville Kentucky, leading to Floyd’s Fork. From the USGS Mapview, it looks like it’s Ordovician of the Drake’s formation. Either Bardstown member or Saluda Dolomite member. Upon further examination, I saw that the ridges on the sides were angled very steeply. It was very covered by matrix, so I decided to get to work on it with a dremel tool. After getting a significant amount of material off the fossil, I found that the ridges along the side were not in fact bilaterally symmetrical, and rather that these ridges went down the length of it, spiraling like they would on a screw. It is hollow, partially filled in with some softer, red stone and crystallized on the inside. From what I can tell, it has a curve to it reminding me of cyrtoconic(?) cephalopods. I read somewhere that cephalopods are bilaterally symmetrical, so I decided to post this here since I now don’t have any better guesses on what it is. My only other thoughts are that shark coprolites can be spiral shaped, and that it seems too smooth and hollowed to be a horn coral. My heads buzzing about this. Mum said it could be a unicorn horn . Due to upload limits, I will be adding a couple more photos below. I could not find any other fragments of the fossil besides this one section.
  2. Hello everyone, I hope you are all well! does anyone recognise this? Is it something oldish or is it a relatively new species? It was found in a stream in Surrey in England (Great Britain) near the Wealdon Clay areas. The second image is 6 pictures but normal exposure (bar The ultraviolet one) on the left and then with an x-ray filter on the right of the black dots down the middle. The first image is both sides , except for I cut and paste the picture on ; it’s not two separate ones. and excuse the metric system ruler! Kind regards
  3. Gastropod Rescue

    Here is a nice little gastropod cluster on the matrix that was rescued from a construction site along Reynard Way in San Diego. I think they are in the family Naticidae and are possibly Polinices galianor. Anyone have any thoughts? I'd love to nail it down more specifically if possible. Naticidae "Reynard Way" ~3-1.5Mya Pliocene to Early Pleistocene San Diego Formation San Diego County, CA Kingdom: Animalia Phylum: Mollusca Class: Gastropoda -- Subclass: Caenogastropoda Order: Littorinimorpha Family: Naticidae Genus: Favor Polinices? Species: Galianor
  4. Pinna.jpg

    From the album Cretaceous Vancouver Island

    Pinna sp. Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  5. Pinna.jpg

    From the album Cretaceous Vancouver Island

    Unidentified Clam Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  6. Sphenoceramus.jpg

    From the album Cretaceous Vancouver Island

    Sphenoceramus naumanni Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  7. clam 2.jpg

    From the album Cretaceous Vancouver Island

    Unidentified clam Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  8. clam 1.jpg

    From the album Cretaceous Vancouver Island

    Unidentified Clam Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  9. nemodon 4.jpg

    From the album Cretaceous Vancouver Island

    Nemodon vancouverensis Haslam Formation (Upper Santonian - Lower Campanian) Saanich Peninsula, Vancouver Island, British Columbia
  10. If I can get a scientific name for this specimen it would be greatly appreciated.
  11. I found eight of these huge Cucullaea gigantea fossils yesterday! Anyone fancy a trade? I'm interested in vertebrate material, or really anything that is capable of swimming, flying, or crawling. Matt
  12. Strange paleocene mollusc

    What is this strange mollusc? I found it in a creek in the Acquia Formation in Maryland, just outside of DC. In case the photos don't make it clear, this appears to be cylindrical, with a flat base, opening up to a flower-like, open crown. Any thoughts on what it is or how to prep it? Thanks, Matt
  13. Ammonite ID

    I found this fossil kind of out of place at a hobby store and the only identification it had was "Madagascar Ammonite". I know it's no fun that I bought it and didn't dig it up myself but any further information on what kind of ammonite it was and when it lived would be much appreciated. I tried to be as detailed as possible in the picture to make up for the lack of info. Also, what's up with the iridescence? Is it special?
  14. Weird late Cretaceous shell

    I've recently went for another dig at my local Maastrichtean marine locality, and the haul was pretty nice. I've managed to identify most of the things I've found... except for this thing, which I'm absolutely clueless as to what it could be. While it was still inside the rock, I thought it was some kind of small echinoid, but it's obviously not that. It doesn't look like a bivalve or gastropod either. It is approximately 2.5cm long. Exact info Age: Maastrichtian Rock lithology: limestone Geologic formation: Čerevićki potok fm.(Sphaerulites solutus beds) Environment: Moderately-agitated near-reef environment Any help would be much appreciated! Picture for those that can't access imgur:
  15. Found a shoreline on the Missouri River in southeastern South Dakota with some mollusc fossils. There were lots like the one on the left, but only one I could find like the one on the right. Can anyone identify these? They'd be from the Cretaceous period, right? The fossil on the right is the size of a quarter. The ones on the left range from softball to golf ball.
  16. Metula subdecussata

    Small but nice gastropod. Quite common in the Lutetian in the area.
  17. Typhis sp.

  18. Venericardia planicosta

    One of the largest species of the horizon, quite common in the Lutetian.
  19. Murex sp.

    Murex sp., abundant on this site.
  20. Pterynotus sp.

    From base layer of the Lutetian, that potentially includes reworked material from the Ypresian.
  21. Cryptochorda stromboides

    Nice specimen with strong remnant of coloration.
  22. Venericardia imbricata.JPG

    From the album Fleury - autumn 2016

    Venericardia imbricata : a lutetian bivalve from Fleury la rivière - Marne - France
  23. Dentalium sp.JPG

    From the album Fleury - autumn 2016

    Dentalium sp : a lutetian scaphopod from Fleury la rivière - Marne - France
  24. Cyclocardia sulcata.JPG

    From the album Fleury - autumn 2016

    Cyclocardia sulcata : a lutetian bivalve from Fleury la rivière - Marne - France
  25. wiwhat?

    a whopper of an article,nice photographic documentation: smithontogenymorpholtaxonomylagerstNICE!!!palass2013a.pdf
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