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Found 27 results

  1. need help identifying this

    I went camping today. ok, not really camping. just picnicking at a campsite in the woods. we didn't stay over night because it is far too cold. so I found this rock with these cool indentions and want to know what it is. at first I thought it was by a tool but it's not. thanks, dorky
  2. So, from the same road-cut, same layer as the object I just posted. Figure 1 is the "dorsal" surface, Figure 2 is the narrowed end through matrix. This one is better preserved to the point I can see circumferential "channels" in the margin (white arrows) and two lateral edges or "alae"? (A and B ) (Figure 3). Question-do you think it would be of any benefit to lift off the layer depicted? (Blue arrow in Figure 4). How would/could I even clean away all the other matrix? What are the "channels"?, So many questions!!....Cool eh? Thanks again and my apologies for hogging the forum! Bone
  3. Unknown "mold" Pteronites?

    During my "trek" the past couple days I cam across this very large "mold" and the closest I can i.d. is Pteronites sp?. It is from this rock outcropping in Kansas City (Figure 1 the solid "blue-ish" stone band in the middle of the picture) Is this reasonable?. It appears to have an "edge" to it? and is very large-I would guess the whole thing would be close to a foot long? Pretty cool-almost took my breath away when found from the sheer size. Thanks for any thoughts! Bone.
  4. Fossil? imprint /mold type not sure

    It has it all around it an on the ends this one was mostly covered. It might be 2” long an half inch tall on ends an almost a inch tall at tallest point for size. Some shell it looks. I found it in my aunts flowerbeds she had bought rock in 1969 to cover 7 beds. So when I weeded them I'd dig out interesting ones. She's had the same rocks since then. She'd have the rocks cleaned an put back . Kodak, TN. I thought it was the most interesting one. Thought to share. Thank you.
  5. What is this called?

    I know it’s a internal cast of something but I can’t remember what.
  6. Hello everyone! A friend of mine was just given a group of fossils from a relative and has very little/no info on them. Through searching through this forum, we were able to I.D. most of the pieces, but this one we were unable to recognize and were hoping someone could help. There is no locality information associated with it unfortunately. Thank you everyone for your time/help, I really appreciate it!
  7. Display cases

    Hello all. I am interested if anyone else is having problems with the new, snap close, mini-display cases. I am also wondering if the residue also damages the fossils. I've removed all of my small fossils from these cases until I hear more from the forum.
  8. Strange Preservation

    Here's a strange one. I found plentiful piles of what I thought were casts and internal molds in the iron-rich St. Mary's clay of Virginia last year. Loose clam fossils riddled blocks of talus. I was able to wiggle some out of their ancient resting places without s much as scratching the matrix. Generally that's because the shell disintegrated, leaving a void between the mold and the cast. If you look closely, however, what looks here like an internal mold isn't. The sculpture on the surface is clearly the outside of the shell. If it were the inside, you would see round protrusions where the ligament attached to a depression in the shell, not concentric ridges. Shown here is the most distinct of my specimens, but not the only one. Any thoughts? Mercenaria campechiensis, Miocene, VIrginia
  9. Egg Mold from Jordan

    hello, I found this egg mold close to my house, there were an excavation, i found it in the dirt they bulldozed away. (it wasn't broken when i first found it, it fell by mistake). from the other side it's just a normal orange-ish sedimentary stone(i don't have enough media MBs left). And, I see these orange lines in the bottom of the stone too often on other stones i want to know what they are. thank you.
  10. Fossil tooth mold?

    Dunno if this is wishful thinking, or a real tooth mold, but here it is. Longest side (right) of the tooth is 2.25cm long. The whole thing is 6cm x 4cm with the odd dome to the left being 2cm thick. I have pics of other angles and the backside as well. Just saw it laying partially buried in the ground in an empty field in Central Washington State this morning.
  11. These are all in the same stone. Wondering if it's 3 different preservation types of the same species. Found in Sw fl, in the sand. Trying to learn to recognize familiar players in their various forms and stages of erosion. Couldn't get the tape measure next to two of them, but they're both 2.5 inches long on the nose. The one that looks like a unicorn horn(w/ tape measure) was what caught my eye, rimmed with grass it really stood out! Its shimmery and beautiful. Is it ok to chip it out? Far from its margins, of course. 3rd pic following...
  12. Snail?

    I found this cast? Mold? Unsure of the correct terminology. I looked at the usgs website and they said snails were unlisted. I wondered if anyone had any helpful information they would share.
  13. Exoskeleton

    Any ideas on names?
  14. Tiny bubbles

    I found these in the creek back in September, this is the only pic I took (just now happened upon it in my files) and I can't find them to retake pics. The largest rock, the black one in the right of the frame, is no bigger than 2" at it's widest measurement, if that helps. I'm just really curious about what would make these little bubble-like formations printed on a rock like this. Bubbles?
  15. Tiny calyx ?

    I found this the other day, in the cab of my pickup, while looking for ski wax. I often pick things like this out of the gravel I'm shoveling during the fall. The bulk of this material is Devonian marine rock. Bits of plant do show up now and then.
  16. One more before my phone dies!

    Just an ID, please, there's a lot going on in this piece.
  17. I think I see a crinoid, but what else?

    I'm getting braver and will venture that there is at least one crinoid columnal mold preserved in this formation. I'm fairly certain, however, that the other two most prominent molds are not of a crinoid. How am I doing?
  18. Devonian shell

    Another shoreline glacial find. Most likely lower Devonian marine delta related. The first shot shows part with scale, and inverted counterpart to the left. The last shot is of the under side of the fractured section in the photo before it.
  19. Is this a trilobite mold?

    Howdy. Found this in Central NJ. Is this a real fossil? Anyone know the type? Thanks
  20. Mussle Shell Steinkern

    This is a particularly fragile type of shell, made of many fine layers, and is prone to disintegrate as these did. This rare steinkern was found on a block of matrix submerged in the Chesapeake Bay. Dimensions are for the best-exposed steinkern on the block. The entire block is 14 cm wide x 10 cm high x 5 cm deep.
  21. Please clarify for local discussion. Referencing the attached sketch: First is a coin simulating a fossil. If split at the red line, there would be 2 pieces of external mold. Correct ? or incorrect ? Second is a lens shape, like a saucer or moult of a pygidium. If split at the red line, there would be 2 pieces of external mold. Correct ? or incorrect ? Third is an egg or complete bivalve. If split at the red line, there would be 2 pieces of external mold and 1 internal mold. Correct ? or incorrect ? All 3 assume that the specimens have dissolved an left a void which if filled would be the cast. Correct ? or incorrect ? The local argument is that the pygidium moult example is 1 external mold (top) and 1 internal mold (bottom) because it is the "internal" side of the animal. I don't think that is correct. Just a local discussion needing clarification, thanks. ref: http://www.ucmp.berkeley.edu/paleo/fossilsarchive/casmol.html
  22. I found this crystalline calcite replacement fossil mold after breaking open the width of a 2" to 3" thick Eagle Ford limestone layer loose fragment. The rock broke along the circular arc of the fossil mold. The mold is somewhat mushroom shaped with a small inoceramus clam attached to the side. It is about 4.25" wide. A full circular arc might be more than 6 inches in diameter. The mold appears to be fragmented and hollow on the top of "mushroom shaped" side. The narrower bottom of the mold also flared out a little, but not as much as the top. I think that the thin base layer cutting at 30 degrees to the mold is an oyster shell hash layer that it was deposited with - although at the mold top the hash layer to be unusually smooth faced. Some of the calcite mushroom lip broke out on the other fragment (the 4th photo shows it upside down on the bottom). The lip was not likely to be easily recovered. So, I cut that face of the limestone fragment back from the lip so that the two can fit together where you can still see the concave fossil surface inside. I worked off the convex outer matrix of the mold and the micrite limestone matrix until there was little else left but the mold. The oyster hash (or other) layer and the small inoceramus are also attached. The limestone layers in the outcrop area has some 15mm or less tooth width sized Ptychodus and up to 12 to 20 mm long cutter shark's teeth. There were also two ammonite molds (10" to 12") preserved in similar crystalline manner. There are a few shark verts and fish/ray teeth also. The few Paleontological Society of Austin folks I showed it to at the recent meeting could only see the concave face before I had carved it out more. They would not try to guess its origin. My first inclination was that it is a large vertebrate bone fragment. That might have been just well wishing. A giant inoceramus hinge plate or other large invertebrate (like ammonite or nautiloid) interior mold seems more likely. Any educated guesses? Thanks in advance for your time.
  23. Stromatoporoid 2

    Is this one more recognizable ? It occurred to me that a lot of people may not know what the real structure of these is. Figured it wouldn't hurt to make sure I'm not one of them
  24. Devonian Delta

    Found in Maine glacial material. It was among Mucrospirifers, in what seems likely to have been a marine river delta (Taratine formation).
  25. These are a few of the pdf files (and a few Microsoft Word documents) that I've accumulated in my web browsing. MOST of these are hyperlinked to their source. If you want one that is not hyperlinked or if the link isn't working, e-mail me at joegallo1954@gmail.com and I'll be happy to send it to you. Please note that this list will be updated continuously as I find more available resources. All of these files are freely available on the Internet so there should be no copyright issues. Articles with author names in RED are new additions since April 26, 2017. Kingdom Fungi Fossil Fungi - Antarctica Garcia Massini, J.L. (2007). A Possible Endoparasitic Chytridiomycete Fungus from the Permian of Antarctica. Palaeontologia Electronica, Vol.10, Issue 3. Harper, C.J., et al. (2016). Structurally preserved fungi from Antarctica: diversity and interactions in late Palaeozoic and Mesozoic polar forest ecosystems. Antarctic Science, 23(3). Harper, C.J., et al. (2015). Arbuscular mycorrhizal fungi in a voltzialian conifer from the Triassic of Antarctica. Review of Palaeobotany and Palynology. Krings, M., et al. (2012). Fossil fungi with suggested affinities to the Endogonaceae from the Middle Triassic of Antarctica. Mycologia, 104(4). Osborn, J.M., T.N. Taylor and J.F. White (1989). Palaeofibulus Gen.Nov., A Clamp-Bearing Fungus from the Triassic of Antarctica. Mycologia, 81(4). Schwendemann, A.B., et al. (2009). Combresomyces cornifer from the Triassic of Antarctica: Evolutionary stasis in the Peronosporomycetes. Review of Palaeobotany and Palynology, 154. Fossil Fungi - Asia/Malaysia/Pacific Islands Kar, R.K., B.D. Mandaokar and R.Kar (2005). Mycorrhizal fossil fungi from the Miocene sediments of Mizoram, Northeast India. Current Science, Vol.89, Number 2. Kumaran, K.P.N., M. Shindikar and R.B. Limaye (2004). Fossil record of marine manglicolous fungi from Malvan (Konkan) west coast of India. Indian Journal of Marine Sciences, 33(3). Poinar, G.O., D. da Silva Alfredo and I.G. Baseia (2014). A Gasteroid Fungus, Palaeogaster micromorpha Gen.& Sp. Nov. (Boletales) in Cretaceous Myanmar Amber. J.Bot.Res.Inst. Texas, 8(1). Sung, G.-H., G.O. Poinar and J.W. Spatafora (2008). The oldest fossil evidence of animal parasitism by fungi supports a Cretaceous diversification of fungal-arthropod symbioses. Molecular Phylogenetics and Evolution, xxx. Fossil Fungi - Europe (including Greenland and Siberia) Dotzler, N., et al. (2011). Sphenophyllum (Sphenophyllales) leaves colonized by fungi from the Upper Pennsylvanian Grand-Croix cherts of central France. Zitteliana, A51. Hūbers, M., et al. (2011). An Early Carboniferous leaf-colonizing fungus. N.Jb.Geol.Paläont.Abh., 261/1. Krings, M. and T.N. Taylor (2015). Mantled fungal reproductive units in land plant tissue from the Lower Devonian Rhynie chert. Bulletin of Geosciences, 90(1). Krings, M. and T.N. Taylor (2014). Deciphering interfungal relationships in the 410-million-yr-old Rhynie chert: an intricate interaction between two mycelial fungi. Symbiosis, 64(2). Krings, M. and T.N. Taylor (2014). A mantled fungal reproductive unit from the Lower Devonian Rhynie chert that demonstrates Carboniferous "sporocarp" morphology and development. N.Jb.Geol.Palaont.Abh., 273/2. Krings, M., and T.N. Taylor (2012). Microfossils with possible affinities to the zygomycetous fungi in a Carboniferous cordaitalean ovule. Zitelliana, A52. Krings, M., T.N. Taylor and J.F. White (2011). Fungal sporocarps from the Carboniferous: An unusual specimen of Traquairia. Review of Palaeobotany and Palynology, 168. Krings, M., et al. (2015). Deciphering interfungal relationships in the 410-million-yr-old Rhynie chert: Sporocarp formation in glomeromycotan spores. Geobios, 48. Krings, M., et al. (2014). A record of a fungal "sporocarp" from the Lower Devonian Rhynie Chert. Palaeobiodiversity and Palaeoenvironments, 94(2). Krings, M., et al. (2011). Fungal remains in cordaite (Cordaitales) leaves from the Upper Pennsylvanian of central France. Bulletin of Geosciences, 86(4). Krings, M., et al. (2010). Microfungi from the upper Visean (Mississippian) of central France: Structure and development of the sporocarp Mycocarpon cinctum nov.sp. Zitteliana, A50. Schmidt, A.R., H. Dörfelt and V. Perrichot (2008). Palaeoanellus dimorphus Gen. et Sp.Nov. (Deuteromycotina): A Cretaceous Predatory Fungus. American Journal of Botany, 95(10). Schmidt, A.R., H. Dörfelt and V. Perrichot (2007). Carnivorous Fungi from Cretaceous Amber. Science, Vol.318. Smith, P.H. (1980). Trichothyriaceous Fungi from the Early Tertiary of Southern England. Palaeontology, Vol.23, Part 1. Strullu-Derrien, C., et al. (2011). Evidence of parasitic Oomycetes (Peronospormycetes) infecting the stem cortex of the Carboniferous seed fern Lyginopteris oldhamia. Proc.R.Soc. B, 278. Fossil Fungi - North America Anderson, R.S., et al. (1984). Fossil remains of the mycorrhizal fungal Glomus fasciculatum complex in postglacial lake sediments from Maine. Can.J.Bot., 62. Daghlian, C.P. (1978). A New Melioloid Fungus From the Early Eocene of Texas. Palaeontology, Vol.21, Part 1. Dilcher, D.L. (1965). Epiphyllous Fungi from Eocene Deposits in Western Tennessee, U.S.A. Palaeontographica, Vol.116, B. LePage, B.A., et al. (1997). Fossil Ectomycorrhizae from the Middle Eocene. American Journal of Botany, 84(3). Peterson, K.J., B. Waggoner and J.W. Hagadorn (2003). A Fungal Analog for Newfoundland Ediacaran Fossils? Integr.Comp.Biol., 43. Redecker, D., R. Kodner and L.E. Graham (2000). Glomalean Fungi from the Ordovician. Science, Vol.289. Smith, S.Y., R.S. Currah and R.A. Stockey (2004). Cretaceous and Eocene poroid hymenophores from Vancouver Island, British Columbia. Mycologia, 96(1). Fossil Fungi - South America/Central America/Caribbean Hibbett, D.S., M.J. Donoghue and P.B. Tomlinson (1997). Is Phellinites diguistoi the Oldest Homobasidiomycete? American Journal of Botany, 84(8). General Fossil Fungi Boyce, C.K., et al. (2007). Devonian landscape heterogeneity recorded by a giant fungus. Geology, Vol.35, Number 5. Cai, C., et al. (2017). Mycophagous rove beetles highlight diverse mushrooms in the Cretaceous. Nature Communications, 18:14894. (Thanks to doushantuo for locating this one!) Casadevall, A. (2005). Fungal virulence, vertebrate endothermy, and dinosaur extinction: is there a connection? Fungal Genetics and Biology, 42. Cookson, I.C. (1947). Fossil Fungi from Tertiary Deposits in the Southern Hemisphere - Part I. Proceedings of the Linnean Society of New South Wales, 72. Hibbett, D.S., D. Grimalidi and M.J. Donoghue (1997). Fossil Mushrooms from Miocene and Cretaceous Ambers and the Evolution of Homobasidiomycetes. American Journal of Botany, 84(8). Hibbett, D.S., et al. (1997). Evolution of gilled mushrooms and puffballs inferred from ribosomal DNA sequences. Proc.Natl.Acad.Sci. U.S.A., Vol.94. Jansonius, J. and R.M. Kalgutkar (2000). Redescription of Some Fossil Fungal Spores. Palynology, 24. Kalgutkar, R.M. and L. Sigler (1995). Some fossil fungal form-taxa from the Maastrichtian and Palaeogene ages. Mycol.Res., 99(5). Kar, R.K., N. Sharma and R. Kar (2004). Occurrence of fossil fungi in dinosaur dung and its implications on food habit. Current Science, Vol.87, Number 8. Krings, M., T.N. Taylor and N. Dotzler (2013). Fossil evidence of the zygomycetous fungi. Persoonia, Issue 30. (Review Article) Krings, M., T.N. Taylor and N. Dotzler (2012). Chapter 1. Fungal Endophytes as a Driving Force in Land Plant Evolution: Evidence from the Fossil Record. In: Biocomplexity of Plant-Fungal Interactions. Southworth, D. (ed.), John Wiley & Sons, Inc. Krings, M., T.N. Taylor and N. Dotzler (2011). The fossil record of the Peronosporomycetes (Oomycota). Mycologia, 103(3). Krings, M., et al. (2011). Oldest fossil basidiomycete clamp connections. Mycoscience, 52. Poinar, G.O. (2016). Fossil Fleshy Fungi ("Mushrooms") in Amber. Fungal Genomics & Biology, 6:2. Redecker, D. (2002). New views on fungal evolution based on DNA markers and the fossil record. Research in Microbiology, 153. Taylor, J.W. and M.L. Berbee (2006). Dating divergences in the Fungal Tree of Life: review and new analyses. Mycologia, 98(6). Taylor, T.N., M. Krings and E.L. Taylor (2005). Chapter 10. Fungal diversity in the fossil record. In: The Mycota VII, Part B - Systematics and Evolution. McLaughlin, D.J. and J.W. Spatafora (eds.), Springer-Verlag. Yang, E., et al. (2012). Origin and evolution of carnivorism in the Ascomycota (fungi). PNAS, Vol.109, Number 27.