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Found 28 results

  1. I need an ID for this clam. I found this clam in a concretion. it was taken from the Kevin member of the Marias formation. Th Kevin member is listed as Santonian Cretaceous. The location is 5 miles west of Loma Montana.
  2. Scapanorhynchus puercoensis teeth

    Here are two teeth from a fairly recently (2011) described Scapanorhynchus species from the Upper Cretaceous Santonian in New Mexico. Scapanorhynchus puercoensis has a dentition similar to S. lewisii and was likely very similar. My son and I do classroom science presentations about fossils and our shark program features Scapanorhynchus. He used the lewisii as the basis for his illustration and now we can actually provide teeth that are a closer match to that than S. texanus likely was. This also allows him to draw S. texanus in a more Sand Tiger like form which we both think it was. I put quite a bit of research in our programs and we strive for accuracy so I am really digging these teeth !!!
  3. In late February I went to a site in the Middle/Upper Santonian stage of the Bruceville Chalk Marl Formation, Austin Group, in Ellis county, Texas. While at the site I found a few inoceramids, possibly an anaptychus, and a chunk of rock that looks like it could have mollusk grazing traces on it. Then today I was organizing my collection and picked up the rock with the possible grazing traces. While I was handling the rock I happened to look at the bottom of it and spotted a small Squalicorax sp. tooth, my first tooth from the Santonian. It is 11 mm long and is pretty complete, with the left side of the root being exposed. I am not sure about the right side of the root, but it may still be there under the matrix. I have been trying to put it to a species. From looking through Welton and Farish’s book as well as elasmo.com the most likely candidates seem to be the two paleo-buckets S. “falcatus” and S. “kaupi,” and the species S. lindstormi. I am not terribly familiar with fossil shark teeth, so I am very curious what the more informed members of this forum can say about what species this could be. I am also wondering if the first picture could be of mollusk grazing traces. Would it be a good idea to try to prep it out further? And if so, what would a good strategy be with chalky/marly matrix? FIG 1: Possible mollusk grazing traces on the top of the rock. FIG 2. FIG 3.
  4. Micraster decipiens - 6

    From the album Haute normandie - April 2018

    Micraster decipiens : a cretaceous echinoid from Saint-Pierre en Port
  5. Laevicardium sp. (Swainson 1840)

    Shell preservation.
  6. Neithea coquandi (Peron 1877)

    Shell preservation.
  7. Calcified steinkern. 3 different samples, one showing a cross section and another showing the "lid".
  8. Vaccinites sp. (Fischer 1887)

    Shell preservation. 3 different samples, one of which shows a polished cross section.
  9. Nerinea (Parasymploptyxis) buchi

    I've included a longtitudinal section.
  10. Leaves - Vancouver Island Santonian

    This is not a great photo, it was taken after sunset at the site of discovery, and it's a bit dirty. I still need to trim the huge chunk and wash it off, and it now sits in a spot with poor lighting, so this is the best I can do for now, but maybe someone who knows Cretaceous flora can suggest an ID for these leaves based on the general outline? The one on the right especially has 3 clear lobes, and note the stems. Platanus? I have never found this type before, in 9 years of collecting up there.
  11. It's just an impression, but I find so few like this I had to keep it. Looked all over for the positive but could not find it. It seems so long and narrow for a Bostrychoceras, or is that just an aspect of the impression? 5 whorls visible.
  12. I know next to nothing about shark teeth but I take it this is a cow shark? I know some of you are shark tooth fanatics who I hope can narrow down the possibilities for me. I have difficulty getting good pics of this little thing... I could try for some better ones if necessary. The tooth itself is split between both parts of the matrix. Haslam Formation (Nanaimo Group), Cowichan Valley Vancouver Isl. (my usual collecting site, up the mtn.) This is only the 3rd shark tooth I've ever found, only two of which I still have, and the only one from Mt Tzuhalem so far.
  13. Not complete, but nevertheless a good sample.
  14. Mostly Phragmocone.
  15. From the album Gastropods and Bivalves Worldwide

    5.5cm. long. Together with Polyptychoceras vancouverense which has a small Anomia sp. bivalve attached to it. From the Cretaceous Santonian Haslam Formation on Vancouver Island, B.C., Canada. Thanks to Rick (fossisle) for the trade and the id.
  16. From the album Cephalopods Worldwide

    Together with an Inoceramus sp. bivalve. From the Cretaceous Santonian Haslam Formation on Vancouver Island, Canada. Thanks to Rick (fossisle) for the trade.
  17. Pseudoschloenbachia umbulazi (Baily 1855)

    From the album Cephalopods Worldwide

    6.5cm. Santonian Haslam Formation, late Cretaceous. From the Motox Pit, Nanaimo, B.C. Thanks to Rick (Fossisle) for the trade.
  18. From the album Gastropods and Bivalves Worldwide

    9cm. long, although not complete. From the upper Cretaceous Santonian Gosau Schichten at Pass Gschutt, Salzburgerland, Austria.
  19. Santonian Bivalve ID (probably veneridae)

    Hi everyone, It's been a while. Here are two picture of a bivalve I found in Himenoura formation Japan. I have been hunting these place regularly for 2 years but it is the first time I found such large bivale there. I looked into my local documentation to put a name on it but I didn't found anything. Here is some information about the beast: Formation: Himenoura Age: late Cretaceous, santonian size: 13cm long / 9cm width I think it is a kind of veneridae because the hinge teeth (even if difficult to see on the picture and worn) looks like Mercenaria mercenaria teeth. If someone have any idea about the clam shell, I would be gratefull to hear about.
  20. Acila shumardi

    Most common bivalve on the mountain. Length is of one valve. Day of collection approximate.
  21. Sponge: Hormathospongia dictyota?

    Same info as for other one I have posted. All the sponges I have collected there come from one very localized spot on the mountain. Exact date is not exact. Nor are measurements due to uncertain boundaries of sponge.
  22. Sponge: Hormathospongia dictyota?

    This specimen was part of a larger crumbling piece with a few more of the same on it. Tried to collect and reassemble but have not gotten very far.. Length is of visible portion of sponge in middle of piece. Date approximate. Rigby's description was of a similar item from same-aged sediments of California. Thanks to 'piranha' Scott for the ID.
  23. Unknown Scaphopod

    Hard to say what diameter is, as anterior end is squashed (about 9x15mm).
  24. ID not certain at all. Very smooth for a Canadoceras. Maybe I should just say 'Pachydiscid'? Exact day of collection is unknown.
  25. Ampulina sp.

    From the album Gosauschichten

    Fossil: Ampulina sp. Size: 1.2 cm long Found location: Randobach (Russbach), Salzburg, Austria Age: Upper Cretaceous, Santonian, about 80 m years old
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