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  1. Vieira

    Clypeaster with predation marks

    From the album: Fossil Collection

    Clypeaster with predation marks
  2. mtwoman

    Echinoid ID help please

    Found in Parker County, Aledo area, Texas, 3-26-21. Limestone base.
  3. Shellseeker

    Half_Echinoid Silicified

    So I am hunting the Peace River and finding good stuff, like mastodon verts, horse teeth, colorful hemis and into my sieve pops a broken sand dollar...... and I do a little dance , got a smile ear to ear , because I am hoping , with a little help from my friends that this this Echinoid will help to identify the formation I am hunting, maybe Pliocene or middle Miocene. There are a lot of years between them. @Harry Pristis indicated that the silicified shells might more likely imply middle Miocene. The echinoid has an interesting shape and no holes.... I think it is possible.... @C
  4. Nimravis

    Echinoid ID Help

    I am hoping that someone can ID these echinoids for me. I do not remember where I got them from and I do not know the location that they were found, but I am thinking Texas. This first group of three I believe that they might be Phymosoma sp. , but I am not sure. Her is the other one that I am hoping for an ID on. Thanks
  5. erose

    Undescribed Leptosania?

    From the album: Texas Echinoids, ERose

    another example of this odd large Salenid from the Microzone of Unit 2, Lower Member, Glen Rose Formation, Trinity Group (Albian) Conal County, TX
  6. erose

    Undescribed Leptosalenia?

    From the album: Texas Echinoids, ERose

    another example of this odd large Salenid from the Microzone of Unit 2, Lower Member, Glen Rose Formation, Trinity Group (Albian) Conal County, TX
  7. From the album: Texas Echinoids, ERose

    Update: Since I originally posted this image I now have fairly positive identifications for three of these and a good guess on the fourth. From top to bottom: The knurled large spine is Paracidaris? texanus (Whitney & Kellum) one of two known cidarids in the formation; The second is Pseudodiadema aguileria (Maldonado) and is recognized by its triangular cross section; The third is the unknown. It looks like spines on some Goniopygus but there are no large Goniopygus in this strata. It is more likely a scrobicular spine (https://www.nhm.ac.uk/our-science/data/echinoid-directory/taxa/glos
  8. Today is my 50th birthday so I wanted to select my fifty favorite fossil finds to present. But....because I am obsessive, I couldn't settle on just 50. So here's 150. My favorite 150 fossil finds. And there's still more - but then it would be 250 or 555...I don't know. Anyways, enjoy. Mostly Texas, some from Utah, Florida, North Carolina, New York and England (denoted by the state initials or UK). Almost all were found by me, except about 4 which were gifted to me. I did actually narrow it down to 50...initially. But then I had to do pages for the
  9. From the album: Texas Echinoids, ERose

    Unit 3, Upper Member, Glen Rose Formation, Trinity Group (Albian) Kendall County, Texas.
  10. erose

    Tetragramma sp.

    From the album: Texas Echinoids, ERose

    Undescribed Tetragramma sp. Unit 3, Upper Member, Glen Rose Formation, Trinity Group (Albian) Kendall County, Texas

    © E Rose

  11. erose

    Pygaster sp. Smith & Rader

    From the album: Texas Echinoids, ERose

    Smith and Rader (2009) mention the occurrence Pygaster based on incomplete material. This specimen is from the echinoid marker bed of Unit 2, Lower Member, Glen Rose Formation, Trinity Group (Albian) Comal County, Texas.
  12. erose

    Undescribed Leptosalenia? sp.

    From the album: Texas Echinoids, ERose

    Found in the Lower Member, Glen Rose Formation, Trinity Group (Albian) Comal County, Texas. This relatively large Leptosalenia has very straight ambulacra and a large number of interambulacral tubercles. I know of approximtely 5-6 specimens collected from three locations.
  13. erose

    Leptosalenia mexicana (Schluter)

    From the album: Texas Echinoids, ERose

    Bee Cave Member, Walnut Formation, Fredericksburg Group (Albian) Travis County, Texas
  14. erose

    Ballanocidaris? strombecki (Desor)

    From the album: Texas Echinoids, ERose

    Unit 3, Upper Member, Glen Rose Formation, Trinity Group (Albian) Kendall County, Texas. This specimen surprised as I had previously understood them to be only found in Lower Member but apparently they range higher in the formation (pers. comm. W. Rader)
  15. From the album: Texas Echinoids, ERose

    Bee Cave Member, Walnut Formation, Fredericksburg Group (Albian) Travis County, Texas. Specimen is about 12-15mm in diameter
  16. erose

    Loriolia whitneyi (Ikins) ???

    From the album: Texas Echinoids, ERose

    Bee Cave Member, Walnut Formation, Fredericksburg Group (Albian) Travis County, Texas In the lower part of the Walnut formation there is a common variation on the much more common L. rosana that are always small and have a distinctly round apical opening as compared to the typical pentagonal shape of L. rosana. They are otherwise the same as L. rosana and several authors consider L. whitneyi synonymous with L. rosana.
  17. From the album: Texas Echinoids, ERose

    Comparative photo of the two Glen Rose heart urchins. These are from the "Salenia texana" marker bed at the top of Unit 2, Lower Member, Glen Rose Formation, Trinity Group (Albian) of Comal County, Texas. Note all five ambulacra are depressed in Pliotoxaster versus only the anterior ambulacra in Heteraster
  18. erose

    Pliotoxaster whitei (Clark)

    From the album: Texas Echinoids, ERose

    A growth series from an exposure of the Goodland Formation, Fredericksburg Group (Albian) near Fort Worth, Texas.
  19. From the album: Texas Echinoids, ERose

    A good sampling of this typically small "salenia" from the echinoid marker bed of Unit 2, Lower Member, Glen Rose Formation, Trinity Group (Albian) Comal County, Texas
  20. From the album: Texas Echinoids, ERose

    This specimen appears to match the species C. ovatus which was previously known from the slightly older Glen Rose Formation. This one is from the Bee Cave Member, Walnut Formation, Fredericksburg Group, Travis County, Texas.
  21. I_gotta_rock

    Boletechinus Sea Urchin

    This specimen comes from the 1980 dredge spoils of the C and D Canal. The type specimen for this species comes from the Navesink Formation exposure of the same canal, not far away. Known by locals, it was not actually described until 1986. Although not the most common of species at this locality, and almost unknown outside of Delaware, these miniscule urchins were nonetheless plentiful at the Reedy Point spoils. Recent excavation for barrow removed most of the sand where my specimen was found.
  22. Zenmaster6

    Glen Rose Texas ID help

    GlenRose Formation 105 - 115 MYA Found near roadcut in San Antonio First I want to warn you, These are low quality photos due to it being night and having a dim light in translucent glass. So if you are unable to further identify due to poor quality photos, I understand wholeheartedly. Without further adieu, Here is the lot Below I will post individual photos in the comments. Firstly I'd like to state a few in which I think I know the answer. 1 I believe is a Neithea irregularis 2. I don't know if its a messed
  23. Thanks to a post from Candace ( @thelivingdead531 ) I found out about the Aurora Fossil Museum's box o' matrix that they sell! (all moneys benefit the museum, which was a bonus). I got two Gallon Bags of matrix to sift through and wow....some really great stuff! They send a really good ID sheet too. But of course, there's even more info here on the FF! So here are some of my favorite finds so far. I've only gone through about 6 cups of matrix!! SO MUCH MATRIX! I havn't really done much ID'ing yet (the shark teeth) but my favorite by far is the crab stuff....love those pincers!! And the colo
  24. MrBones

    A type of conoclypus?

    Hello, I picked this fossil up on Jebel Hafeet, Al Ain, UAE (United Arab Emirates). I think it's from the Cretaceous, however, I am not so sure. It is unfortunately very worn and eroded, but it is still the only one I have of its kind. The fossil itself it filled with small numulites. I saw a picture the other day of a conoclypus echinoid, and it looked quite similar to what I have. I figured you guys would be able to confirm whether it is or not. I also drew a picture of what I imagine it would look like whole.
  25. I FINALLY found one of the echinoids I've been looking for - a Pseudodiadema from the Lower Glen Rose formation of Texas. I have collected fragments from no less than FIVE different locations and @JohnJ assured me there was (to paraphrase) one out there with my name on it. So I believed him! And yes, i did finally stumble across my Pseudodiadema! Albeit hella squished! But that's okay...it's "technically" whole even if it won't be winning any beauty awards....I love it. I apparently have a thing for squished echinoids. Three of my favorites (that I have only found the single specimen so far )
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