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  1. Hi everyone this is Matt again. Ttoday in the creek I found this rock full of coral fossils. Here is 2 photos:
  2. Hello, I'd appreciate your help with this one. I found this one at a Lake Michigan beach in Illinois. Silurian from the Racine formation. I believe it's a sponge or demosponge. Thinking the white dots on the vertical growth are pores, and the admittedly terrible microscopic photo of a small area on top of the rock shows some of its openings. Some of these seem to be filled with minerals that make them look like bumps, many others aren't preserved well at all, just show as faded round dots. Am I way off on this? TIA, Pippa
  3. I believe might be a coral or sponge of some sort any ideas? Found around smithville Tennessee
  4. AshNBone

    Help ID marine fossil? Sponge?

    Hello again Fossil friends! I have another fossil I need help with. Found with other shell and coral fossils in a river shore in north eastern Kansas, most likely Pennsylvanian. It looks to be maybe a sponge with exterior and interior... structure? Couldn't figure this one out. Maybe someone with more knowledge can ID it for sure.
  5. AshNBone

    Bones and sponges? Help?

    Hello Fossil friends! I have a couple fossils(?) I'm going to see if I can get help identifying. I found all of them in the same local area of a river shore in northeastern Kansas, so I'm assuming Pennsylvanian time frame. I have some fossils that are obvious shells and coral, but these I'm not sure and would like your input! If you need more photos or angles, let me know. #1 I think is a fish vertebrae that's slightly flattened. It's about 1 cm x .3 cm.
  6. LabRatKing

    The Blob- a mystery critter

    From the Uni collection, found in a box with other assorted random fossils. sorry, no location data available
  7. IsaacTheFossilMan

    UK flint microfossil

    This is a sponge(?) microfossil in a fragment of a flint nodule. The flint has been quarried from the south of the British coast, which is mainly Cretaceous strata. It looks slightly like it's an imprint, but, upon further inspection, it is a broken off membrane. Currently (and slightly embarrassingly) I have only whittled it down to Echinodermata... I know, I know, spare me your applause, while my PhD's waiting! More sincerely, if anyone could shed some brighter light upon this, I'd be very grateful!
  8. Leptomitus teretiusculus is a moderately common, thin-walled sponge species. Specimens range up to 11cm long and about 1,2cm wide. Literature: J. Y. Chen, X. G. Hou, and H. Z. Lu. 1989. Lower Cambrian leptomitids (Demospongea), Chengjiang, Yunnan. Acta Palaeontologica Sinica 28(1):17-30
  9. I found another Ensiferites brandenburgi sponge that is now currently the largest ever found at 7 cm x 7.5 cm across. Part of the top displays lots of 1 mm spicules. Unfortunately the top of the calcareous sponge is mostly covered with caliche and possibly the limestone matrix. Is there any hope to prep this to expose all the spicules on the top? How? This could become a near museum piece thus I don’t want to practice my prepping skills in it. Help @Ptychodus04.
  10. Samwise

    Edit: is it Porosphaera?

    Hello all! I found this today and originally thought it was an archaeological item, I sent it off to the local officer and he said that he thinks it's a sponge fossil. I was wondering if anyone may be able to give me some more information please? Thankyou!
  11. val horn

    devonian sponge or not

    this was found in deer lake pa on a large piece of shale. whatever these things are they are over 12 inches long, branching and 1/2 to 3/4 inch in diameter. occasionally they appear to have straight vertical lines on the surface. I could see this pattern in only one or two places and could not get a clear photo. Help would be appreciated.
  12. Hi. Could I have help with ID on these. they are all from the same small patch beside the road at the eskine range. WA.
  13. Hello everyone, i found a flint ball in my field approximately 8 cm diameter, in Corfu island in north-western Greece, around 500 meters from the sea. I opened it and the enterior is like in the photo. Apart from the big cavity at the center, there are also many wholes around with red soil inside. Is the big cavity a fossil sponge? If yes, when is approximately dated? Thank you
  14. These tiny fossils I suspect of being Receptaculites, but I'm not at all sure. The patch is about 12x12mm, about the size of a dime. It's on Martin formation dolomite from the Devonian, Verde Valley, Arizona. Other fossils on the same rock include Rugose and Tabulate corals and unidentified Brachiopods. Note the lichens growing in and on the sample. Any ideas?
  15. Found in my backyard in southern california. Hard to get a good pic of it, but the center of it is a cone shape. Circular and wide at the top, with the pointy part towards the inner/center.
  16. I found this in a sand pit near Kalkaska Michigan as a kid. It was in the vally wall around lake Skegamog. Next to it were a number of sand stones containing shell fossils. I don't know if it matters, but the pit wall I dug into was about 75 feet below the undisturbed grade. The stone I believe to be a sponge is approximately nine inches tall and weighs approximately 9.5 pounds. The chamber's are not uniform in size so I doubt it's being coral. The fact that there were no igneous rocks present makes me doubt pumice. I apologize that I could put up more pictures and close ups, but there was a
  17. Bradley Flynn

    Pliocene boring sponge traces on tooth?

    Hoping someone could help me identify the traces on this tooth? I found the tooth with pliocene fossil shells and the location does have middle to late pleistocene mammal fossils. I'm 90% sure this tooth is from a cape porcupine Hystrix africaeaustralis and the species still thrives in the area, from the pleistocene. If these are traces of a sponge then the tooth is a little older than thought. If it's another organism that has left the traces it could be late pleistocene or holocene with some mineralization taken place.
  18. DPS Ammonite

    Stioderma Sponge

    Stioderma coscinum from Rigby and Mapes 2000. Sponges are common in the Pennsylvanian Naco Formation of central Arizona. A friend and I collected pieces of Stioderma sponges near Roberts Mesa. Stioderma sponges have a set of very distinctive features that make an ID much easier than other Arizona sponges. They have spicules that are distally modified into layered rounded pustules that are set atop a surface with funnel shaped holes. My sponge has an edge that curves under and is covered with pustules. Further research might reveal what species they are. S
  19. Hi everyone this is matt again today in the creek I found 4 different fossils in the creek . They are called fenestella, favosites, productus and a bryozoan fossil.
  20. Could this be a part of a sea lily? It is about 2cm long, surronded by a lot of the stalks of sea lily? or is it a coral? The specimen is preserved in what seems to be a big sponge form ordovicium.
  21. ByronNWT

    Fish bone or sponge?

    Another driveway find. Is this a sponge of some kind or possibly and bone from dorsal fin? Kind of looks in the shape of the ulna i cant find any reference on what an isolated one looks like. Can bones be calcified like this? i have no idea.
  22. DPS Ammonite

    Wewokella solida

    This is the largest Wewokella solida that I have found from the Pennsylvanian Naco Formation in Arizona. It is a thick-walled, sub-cylindrical, hollow sponge with simple mostly 4 to 2 pointed spicules. It is differentiated from the related Regispongia genus that has spicules with many more points, polyactine. Sponge is found from the Middle Pennsylvanian to the Early Permian in Arizona, Texas, Oklahoma, Utah, Ohio and maybe New Mexico. Description from Girty: “WEWOKELLA SOLIDA Girty. Plate I, figures 12-13b. 1911. Wewokella solida. Girty, New Yo
  23. Hey everyone. I thought I'd share some of the things I found on my last fossil hunt. So.. Many.. Fossils! One might even say that there were a plethora of fossils. If I could, I would've taken them all with me, but sadly my backpack can only carry so many rocks. I was literally examining each rock I had, trying to decide which to carry back and which to leave behind and how many I could fit in my pants pockets before they started to fall down. Eventually I decided to just stop looking for fossils and hike back to the jeep. This lasted all of 3 seconds before I found another a beautiful by
  24. Fossildude19

    Sponge Spicule???

    From the album: Fossildude's Middle Devonian Hamilton Group Fossils

    This was found at 18 Mile Creek near Buffalo NY. ~385 Million Years Old Middle Devonian, Givetian Hamilton Group, Ludlowville and Moscow Formations. I know the brachiopod is a Spiriferid, but what is underneath it? Sponge spicule? Seems to have 5 projections. At a loss?? Any opinions or information welcome! Thanks for looking!

    © © 2012 Tim Jones

  25. Misha

    Kalkberg: Sponge?

    I just remembered this object that I found in the Kalkberg formation. Upon first seeing it I thought it might be a concretion, but after washing it up my opinions have changed. Now I can see many other fossils alongside it and after comparing to other Kalkberg fossils I believe it may be Hindia sphaeroidalis, Is this ID accurate? I appreciate any help.
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