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Found 101 results

  1. Found this in Comanche Peak limestone formation in Central Texas. I'm thinking Eoradiolites quadratus but not sure if there's enough info to nail down species. Apex to apex measures approximately 1.5 cm for three different samples. I will slowly post more pics of the other specimens, as I reduce photo sizes without losing quality. Thanks for your help.
  2. Edwards Formation Rudist Identification

    A few weeks after my mother found her most recent cidarid in an Edwards formation check dam, I took a few minutes to swing by the same dam to see for myself what else could be found. Within minutes I dug up a cylindrical fossil that for a few weeks puzzled me due to its resemblance to a belemnite phragmocone. Then on Wednesday night I went to the DPS meeting and afterwards met briefly with Professor Andy Gale and showed him this specimen. He identified it as a rudist and immediately corroborated that with another DPS member familiar with rudists. What confused me is that it doesn't look like any of the other rudists that I have found in the Edwards. So far in my research I have found there to be 4 predominant rudist genera in the Edwards, which are listed in the tags. From pictures online I can't seem to definitively match this fragment to any of them, but it at least resembles some caprinid rudists I have seen online that are not from the Edwards. I know there must be many more rudist genera in the Edwards that I am unaware of, so I am hoping anyone more familiar with rudists than me could at least narrow it down to more than just a likely caprinid. The specimen is 3.75 cm long (Fig. 1), 4.2 cm in diameter at its concave end (Fig. 20), and 4.1 cm in diameter at its flat end (Fig. 22). I really know next to nothing about them so any help is appreciated. If anyone wants to compare this with the many other rudists that I have found from these Edwards dams, see the excessive amount of pictures in this thread. Fig. 1. Fig. 2.
  3. Rudist ?

    Hi, a friend of mine told me he found some Placentyceras in a place where the geologic ages go from the Albian to the Turonian-Santonian, but most of the stratas of that place are Cenomanian. I believe this fossil is not an ammonite, but rather an Oyster or a rudist. I mostly think about Requienia or Toucasia. The geologic file mention the name of Toncasia bayleia. Do you know if Toncasia is a synonym of Toucasia and do you think i'm right thinking this is a rudist ? Lenght : 7 centimeters.
  4. AN4161_AN4162

    From the album Hippurites colliciatus Woodward, 1855 from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 36, collected 03/17/2019.
  5. AN4163_AN4164

    From the album Hippurites colliciatus Woodward, 1855 (Pseudocolonies) from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 36, collected 03/17/2019.
  6. Hello! Found a few things I cannot identify and would appreciate some help! I have done as extensive a search as I can and I am pretty sure the first specimen is a rudist. I think! Anyone care to confirm? The striations on the bottom "curve" intrigue me. The second piece is....I don't know what. Rudist again? The next piece might be an oyster? All were found in Hays County TX- Cretaceous, not sure of Formation. Thank you for your help! Also including in the next post my fabulous find of a tiny hippo head. Pretty sure it is an amazingly preserved head of a tiny hippo. HAAHHAH!!! Actually, and please let me know if ya'll concur, I think it is a very very worn echinoid. You can see a little bit of the shell (is that called test?) on it.
  7. AN4155_AN4156

    From the album Hippurites nabresinensis Futterer, 1893 from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 25, collected 02/27/2019. Crushed specimen with various sediment infill and quite nice contrast.
  8. AN3869_AN3870_AN3915_AN3916_AN3917

    From the album Vaccinites vesiculosus (Woodward, 1855) from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 30, collected 08/23/2017. Long, but incomplete specimen with various sediment infill. L-pillar is broken off and displaced in most sections.
  9. AN4150_AN4151_AN4152

    From the album Vaccinites vesiculosus (Woodward, 1855) from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 36, collected 02/10/2019. Serial section of the upper part of a relatively large V. vesiculosus. AN4152 is about 15 mm from commisure; parts of the left (upper) valve are preserved.
  10. AN4143_AN4144

    From the album Hippurites colliciatus Woodward, 1855 (Pseudocolonies) from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 36, collected 01/01/2019.
  11. AN4090_AN4091

    From the album Hippurites colliciatus Woodward, 1855 (Pseudocolonies) from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 38, collected 05/30/2018. Small, cylindrical individuals, not sure of species.
  12. AN4015_AN4016_AN4017

    From the album Hippurites colliciatus Woodward, 1855 (Pseudocolonies) from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 25, 01/20/2018. Not totally sure of the species.
  13. AN3911_AN3912

    From the album Hippurites colliciatus Woodward, 1855 (Pseudocolonies) from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 32, collected 10/25/2017.
  14. AN3860_AN3861

    From the album Hippurites colliciatus Woodward, 1855 (Pseudocolonies) from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 25, collected 08/13/2017. AN3861 is no longer in my collection.
  15. AN4145_AN4146

    From the album Hippurites colliciatus Woodward, 1855 from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 36, collected 02/10/2019.
  16. AN4131_AN4142

    From the album Hippurites colliciatus Woodward, 1855 from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 25, collected 12/27/2018.
  17. AN4116

    From the album Hippurites colliciatus Woodward, 1855 from St. Bartholomä, Styria, Austria

    West of Kalchberg, point 36, collected 11/05/2018.
  18. AN4112

    From the album Hippurites colliciatus Woodward, 1855 from St. Bartholomä, Styria, Austria

    East of Kalchberg, point 25, collected 07/08/2018. Pillars preserved as steinkerns, probably cut very near the commisure. To the lower right is a very small individual, perhaps of the same species.
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