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Found 138 results

  1. Id like your opinion on this one....

    Hi All, This is one of a kind - we found only ONE of these in 250 pounds of Permian limestone that we reduced in the acid bath over the past few months. Its a lovely thing, I think its a stellate miniature ins branching sponge, but Id like your opinion. Its hollow inside the main tube, and no pits or chambers like a bryozoan. Anyone seen a tiny sponge like this? Here is top and bottom shots: (20 layer stacks!) Your opinion is appreciated!
  2. Coral or Sponge?

    Hello, I received this specimen that I believe is a fossilized coral or perhaps a fossilized sponge and am looking for help in identifying the species and age for a museums collection. Any help would be appreciated!! Thanks, Holly
  3. Fossil coral or sponge?

    I was doing some fall work in the garden and I dug a hole deeper than usual to start a compost pile and this was in the ground. It ppears to be coral or something. Can anyone see an outline or give any advice? I didn’t try to clean it as it seemed to be fragile. Thanks!
  4. What is this?

    A few months ago I was helped here to identify a clam fossil and now near the same area I have found this. It doesn't match any images that I have found searching. Thank you.
  5. Coral or Sponge?

    Hello! I collected this rounded stone in Southern Ohio, actually to paint on originally, and became enamored with what appears to be a fossil algae on top so kept in in my collection. Recently I inspected it through a loupe and noticed the sponge like pores for the first time. I tried to show in the photos that there is a transition or directional grain to the pores that I've seen in whale bones and sponges that washed ashore when I lived in the Pacific Northwest. It's sized at about six inches at the widest, and is a sandstone rather than the expected limestone. What do you think? Is it a sponge or a type of coral?
  6. Wenlock Edge, Shropshire, England

    This place is just like Wrens Nest Dudley i.e. Silurian. I like both places but find different things at each. Personally I have found more Trilobites bits at Wrens Nest. 1 - Arachnophyllum murchisoni Coral, top view 2 - Amphistrophia funiculata Brachiopod 3 - Favosites Coral 4 - Halysites Coral 5 - Heliolites Coral 6 - Kodonophyllum truncatum Solitary Coral 7 - Labechia conferta Stromatoporoid sponge 8 - Leptaena depressa Brachiopod 9 - Trepostome Bryozoa
  7. Hi all, Fort Apache sponges are quite uncommon, only one sizable specimen was obtained from over 200 pounds in rock. But it is well preserved, and show the major features of fossil sponges from the Paleozoic. To be more precise, from our first locality, where nearly all the ostracods came from - we had no sponge material at all. The second new site, a half a mile further down the trail produced this specimen from about 35 pounds in limestone. They were also with numerous bryozoans and gastropods in the same mix. The one sponge we found is a calcareous type sponge that have been preserved by silica replacement. What I dont know is if this is a part of a big flat sponge, or perhaps a section of a tubular one. Maybe some of you can ascertain that. This is the largest specimen we found, it was in a class by itself! About 4 cm long and about 1 cm thick, this fragment of a large irregular sponge had excellent pore and ostium details. A millimeter scale is at bottom. 3.5x view . A closer 7x view of its surface reveals the very "spongy" appearance of the type you might wash your car with. The holes are the pores which take in water to an interior cavity for respiration and feeding on plankton. If this was a part of a large flat sponge, those larger holes might be the osculums and the tiny surface pores the in current holes. Even closer at 20x, this shows the pore details more clearly in a massive 16 focus layers stacked image. There have been a few false alarms on these calcareous sponges. Some of the really worn down bryozoans that are wrapped around urchin spines look indeed like a tubular sponge! We continue to look. This last weekend, me and my auxilliary rock hauler - I mean my wife - packed out another 36 pounds of promising rock from the second richer locality along the Highway 260 Trail east of Payson here in Arizona. We hope to find more! Thanks for looking, its a pleasure for us to show what we have found so far!
  8. Trace Or Sponge Fossil?

    Is this a sponge fossil like the present day example in the picture below? Or a trace fossil? It came from a site that has many Permian marine invertebrates. If it is a burrow trace, have many seen examples of the passages leading to a main burrow? Apologies for quality of photo was taken on phone.
  9. Spongebob Rex

    I posted once before on cladorhizids. A single image this time. Note scale and to show the difference between a dredged and an in-place Chondrocladia
  10. Anyone know their Ordovician sponges?

    I believe i found my first Ordovician sponge fossil while hunting road cuts. Can anyone confirm if this is an Astylospongia or something else?
  11. Unidentified

    From the album Delaware Fossils

    Found on the beach in New Castle, Delaware. Known Paleozoic fossil area. Identity unknown.
  12. Sponge? Norfolk coast, UK

    Hello all. I believe this a form of sponge but I'm not sure. It was found on the Norfolk coast, UK. Any help appreciated, thanks
  13. Sponge reef maybe

    This is my property, about 100 acres total. About 25 miles south of grand canyon and just 6 miles from grand canyon caverns at 5400 feet elevation. The first picture is a hill just outside my door, take the dog up this everyday when we go for our walk. Every rock in this picture has fossils on them. An example is the second picture. About 1/8 mile into the trees there is a trail I've made over the years with the quad. I've just recently realized a section of that trail is like an ancient seabed. All red ,airy rocks -light but hard to actually break. Every rock you pick up is embedded with fossils, mostly shells I think. An example is the third picture. I'm thinking this was perhaps a sponge/coral reef because of all the tiny holes or was this just sediment? Any thoughts or comments would be most appreciated. Thanks (Oops, wasted too much memory on that hillside, will post red rock separately ) This is the example of the red rocks that make up the trail
  14. ID for Sponge

    Found this sponge on the beach in Beach Haven, NJ. Wondering if anyone could tell me if its modern or Pleistocene (I ask bc I have heard of Pleistocene fossils being found off of NJ's coastline Two more angles
  15. Sponge?

    Found in a quarry near Rockford, Illinois, Ordovician, Galena group. It looks like a sponge, but I can't seem to find a match. Any help appreciated.
  16. Stromatocerium huronense

    From the album Georgian Bay Formation Outside of Toronto, Ontario

    Stromatocerium huronense (Billings, 1865) Late Ordovician stromatoporoid sponge. Found along the Credit River at Streetsville, Mississauga, Ontario. Collected as a loose specimen, most likely coming from the Stromatocerium reef of the exposure this came from. Georgian Bay formation, late Ordovician. There is a tiny Favistella alveolata coral colony growing on the edge of the specimen, perhaps this was a commensalistic relationship? Specimen is 12 cm long. However this species in the exposure where it came from can grow beyond a foot in diameter as mounds.
  17. Coral or sponge??

    Here is another specimen that I have found. I haven't been able to identify it with any research so far so any help would be greatly appreciated.
  18. This is another picture with a ruler so you can tell the size of the sponge that I posted the other day. Perhaps it will help in identifying it.. Thank you.
  19. I've always been fascinated with the chaetetid sponge reefs that dominate the limestone beds of the Pennsylvanian Marmaton Group. Since these strata outcrop thirty to fifty miles east of the Kansas City metro, I don't have many opportunities to find them. This weekend, we drove out to a family event in southeast Missouri. I took the opportunity to check out a road cut in the Pawnee Formation near Holden, Missouri that I had read about in a publication. The chaetetids are present in the Coal City Limestone member of the Pawnee. At the expected spot, I encountered the black Anna Shale and a thick limestone that could be the Coal City: The limestone was basically barren. When I stepped back, I noticed that there are actually two limestones in the cut: Yeah, now I remember. The lower ledge is the Myrick Station Limestone. The one I'm looking for is on top. Up close, it appears to be an impenetrable wall. No fossils could be seen on the weathered joint surface or in the rubble:
  20. Possible sponge from the Wenonah Fm

    I was at one of the Monmouth Co Brooks this week and found this odd looking thing and at first I thought it was a concretion but it doesn't look like any I have seen before and I have seen many many many of them. I think it might be a sponge of some kind I have seen them in the M.A.P.S. collection for those who is familiar with the collection. I would like to hear from my fellow forum members and a few opinions if this maybe a possible sponge. I just found this post from 2012
  21. Might be new to some of you. Biogeographically speaking, disturbing behaviour _reassessment_of_putative_Acheul_Porifosp.pdf outtake:
  22. unknown and sponge like

    hello, this is my first post i know nothing about fossils. my 6 year old daughter found this today & was very exited to have made the discovery, i can not figure out what it might be, was thinking a type of sponge or eggs ?? it was very fragile, it also had lots of shells and other shelled sea creatures fossilised in the same rock. any help IDing it would be great. i am going to bring a piece of it to my daughters school but need to go back with some tools. thank you for sharing your knowledge !
  23. 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 19, 2017. Chancelloriidae (Affinity Uncertain) Mehl, D. (1998). Porifera and Chancelloriidae from the Middle Cambrian of the Georgina Basin, Australia. Palaeontology, Vol.41, Part 6. Serezhnikova, E. and A.Y. Ivantsov (2007). Fedomia mikhaili - A new spicule-bearing organism of sponge grade from the Vendian (Ediacaran) of the White Sea, Russia. Palaeoworld, 16. Phylum Porifera - Sponges Class Calcarea - Calcareous Sponges Botting, J.P. and N.J. Butterfield (2005). Reconstructing early sponge relationships by using the Burgess Shale fossil Eiffelia globosa, Walcott. PNAS, Vol.102. Number 5. Finks, R.M. (1995). Some New Genera of Paleozoic Calcareous Sponges. The University of Kansas Paleontological Contributions, Number 6. (Download from site.) Kozur, H.W., H. Mostler and J.E. Repetski (2008). A New Heteractinellid Calcareous Sponge from the Lowermost Ordovician of Nevada and a Discussion of the Suborder Heteractinellidae. Geo.Alp, Vol.5, S. Wells, J.W. A New Species of Astraeospongia from the Middle Devonian of Ohio. Class Demospongiae Blissett, D.J., R.K. Pickerill and J.K. Rigby (2006). A New Species of Boring Sponge from the White Limestone Group, Jamaica. Caribbean Journal of Science, Vol.42, Number 2. Botting, J.P., P. Cardenas and J.S. Peel (2014). A Crown-Group Demosponge from the Early Cambrian Sirius Passet Biota, North Greenland. Palaeontology, 58(1). Botting, J.P., L.A. Muir and J.-P. Lin (2013). Relationships of the Cambrian Protomonaxonida (Porifra). Palaeontologia Electronica, Vol.16, Issue 2. Brustur, T., P. Tibuleac and C. Costea (2007). A Possible Horny Sponge (Demospongia, Keratosida) from the Eastern Carpathian Outer Flysch (Romania). Geo-Eco-Marina, 13. Ehrlich, H., et al. (2013). Discovery of 505-million-year-old chitin in the basal demosponge Vauxia gracilenta. Scientific Reports, 3:3497. Garcia-Bellido, D.C. (2003). The demosponge Leptomitus cf. L. lineatus, first occurrence from the Middle Cambrian of Spain (Murero Formation, Western Iberian Chain). Geologica Acta, Vol.1, Number 1. Garcia-Bellido, D.C., et al. (2011). First report of Crumillospongia (Demospongea) from the Cambrian of Europe (Murero biota, Spain). Bulletin of Geosciences, 86(3). Garcia-Bellido, D.C., et al. (2007). The Demosponge Genus Leptomitus and a New Species from the Middle Cambrian of Spain. Palaeontology, Vol.50, Part 2. Hoare, R.D. (1978). Report of a Pennsylvanian Sponge New to Ohio: Heliospongia ramosa Girty (Demospongia: Heliospongiidae). Ohio J.Sci., 78(6). Johns, R.A. (1994). Ordovician Lithistid Sponges of the Great Basin. Nevada Bureau of Mines and Geology, NBMG Open-File Report 94-1. Kozur, H.W., H. Mostler and J.E. Repetski (1996). 'Modern' Siliceous Sponges from the Lowermost Ordovician (Early Ibexian - Early Tremadocian) Windfall Formation of the Antelope Range, Eureka County, Nevada, USA. Geol.Palaont.Mitt. Innsbruck, Vol.21. Pisera, A. (2000). New species of lithistid sponges from the Paleogene of the Ukraine. Zoosystema, 22(2). Reitner, J. and G. Worheide (2002). Non-Lithistid Fossil Demospongiae - Origins of their Palaeobiodiversity and Highlights in History of Preservation. In: Systema Porifera: A Guide to the Classification of Sponges. Hooper, J.N.A. and R.W.M. Van Soest (eds.), Kluwer Academic/Plenum Publishers, New York. Rhebergen, F. (2014). A new Late Ordovician erratic anthaspidellid sponge (Porifera) originating from Baltica. Scripta Geologica, 146. Rhebergen, F. (2011). Short note on three species of Orchocladina (Demospongea, Porifera). Scripta Geologica, 143. Rhebergen, F., A. Munnecke and E. Jarochowska (2016). First report of Archaeoscyphia rectilinearis (Porifera) from the Wenlock of Gotland, Sweden. GFF, Vol.0. Rigby, J.K. and V. Gunther (2003). The Largest and Oldest Known Choia hindei (Dawson), From the Middle Cambrian of the House Range, Western Utah. BYU Geology Studies 2003, Vol.47. Rigby, J.K. and J.K. Gilland (1977). A New Fossil Sponge from the Ordovician Garden City Limestone of Southeastern Idaho. Great Basin Naturalist, Vol.37, Number 4. Senowbari-Daryan, B. and V. Zamparelli (2003). Upper Triassic (Norian-Rhaetian) New Thalamid Sponges from Northern Calabria (Southern Italy). Studia Universitatis Babes-Bolyai, Geologia, XLVIII, 2. Senowbari-Daryan, B. and G.D. Stanley (1992). Late Triassic Thalamid Sponges from Nevada. J.Paleont., 66(2). Class Hexactinellida Botting, J.P. and L.A. Muir (2014). First post-Cambrian records of the reticulosan sponges Valospongia and Hintzespongia from the late Tremadocian of North Wales. Acta Palaeontologica Polonica, 59(1). Botting, J.P. and L.A. Muir (2011). A new Middle Ordovician (late Daphingian) hexactinellid sponge from Cumbria, UK. Geological Journal, 46. Botting, J.P., et al. (2013). An enigmatic, possibly chemosymbiotic, hexactinellid sponge from the early Cambrian of South China. Acta Palaeontologica Polonica, 58(3). Bruckner, A. and D. Janussen (2003). The First Fossil Rossella (Porifera, Hexactinellida) from the Upper Cretaceous (Coniac) of Bornholm (Denmark) and Problems of Classification Within the Fossil Lyssacinosa. Ber.Inst.Geol.Palaont. K.-F.-Univ., Graz, Vol.7. Carter, H.J. (1879). On Holasterella, a Fossil Sponge of the Carboniferous Era, and on Hemiasterella, a new Genus of Recent Sponges. Annals and Magazine of Natural History, 3. Chen, A.-L., et al. (2015). New articulated protospongiid sponges from the early Cambrian Chengjiang biota. Palaeoworld, 24. Harvey, T.H.P. (2010). Carbonaceous preservation of Cambrian hexactinellid sponge spicules. Biol.Lett. (2010), 6. Janussen, D. (2014). The second fossil Hyalonema species (Porifera: Hexactinellida), from the Late Cretaceous Arnager limestone, Bornholm, Denmark. Göttingen Contributions to Geosciences, 77. Mergl, M. (2008). The hexactinellid sponge Cyathophycus from the Lower Ordovician Klabava Formation of the Prague Basin, Czech Republic. Bulletin of Geosciences, 83(2). Nose, M., et al. (2014). First record of chambered hexactinellid sponges from the Palaeozoic. Acta Palaeontologica Polonica, 59(4). Class Homoscleromorpha Wilson, E.C. (1986). The First Tertiary Sclerosponge from the Americas. Palaeontology, Vol.29, Part 3. Class Stromatoporoidea Galloway, J.J. and G.M. Ehlers (1960). Some Middle Devonian Stromatoporoids from Michigan and Southwestern Ontario, Including the Types Described By Alexander Winchell and A.W. Grabau. Contributions from the Museum of Paleontology - The University of Michigan, Vol.XV, Number 4. Stearn, C.W. (1997). Intraspecific Variation, Diversity, Revised Systematics and Type of the Devonian Stromatoporoid, Amphipora. Palaeontology, Vol.40, Part 3. Wolniewicz, P. (2012). Stromatoporoid diversity in the Devonian of the Ardennes: a reinterpretation. Geologica Belgica, 15/1-2. Class Undefined Botting, J.P. (2012). Reassessment of the problematic Burgess Shale sponge Takakkawia lineata Walcott, 1920. Canadian Journal of Earth Sciences, 49(9). General Porifera Porifera - Africa/Middle East Botting, J.P. (2016). Diversity and ecology of sponges in the Early Ordovician Fezouata Biota, Morocco. Palaeogeography, Palaeoclimatology, Palaeoecology, 460. Rigby, J.K. and B. Senowbari-Daryan (1995). Upper Permian Inozoid, Demospongid, Hexactinillid Sponges from Djebel Tebega, Tunisia. The University of Kansas Paleontological Contributions, New Series, Number 7. (Download from site.) Porifera - Asia/Malaysia/Pacific Islands Forchielli, A., et al. (2012). Taphonomy of Cambrian (Stage 3/4) sponges from Yunnan (South China). Bulletin of Geosciences, 87(1). Li, L., et al. (2015). Unusual Deep Water sponge assemblage in South China - Witness of the end-Ordovician mass extinction. Scientific Reports, 5:16060. Stiller, F. (1998). Sponges from the lower Upper Anisian (Middle Triassic) of Bangtoupo near Qingyan, SW-China. Munster Forsch.Geol.Palaont., 85. Zhang, X.-g. and B.R. Pratt (1994). New and extraordinary Early Cambrian sponge spicule assemblage from China. Geology, Vol.22. Porifera - Australia/New Zealand Kruse, P.D. (1996). Update on the northern Australian Cambrian sponges Rankenella, Jawonya and Wagima. Alcheringa, 20. Lukowiak, M.A. (2016). Fossil and modern sponge fauna of southern Australia and adjacent regions compared: interpretation, evolutionary and biogeographic significance of the late Eocene 'soft' sponges. Contributions to Zoology, 85(1). Lukowiak, M.A. (2015). Late Eocene siliceous sponge fauna of southern Australia: reconstruction based on loose spicules record. Zootaxa, 3917(1). Mehl, D. (1998). Porifera and Chancelloriidae from the Middle Cambrian of the Georgina Basin, Australia. Palaeontology, Vol.41, Part 6. Porifera - Europe (including Greenland and Siberia) Bak, M., Z. Gorny and K. Bak (2015). Sponge growth on the Cenomanian carbonate shelves of the Carpathian Basin: a record from spicule-rich turbidites. Bulletin of Geosciences, 90(3). Botting, J.P. (2004). An exceptional Caradoc sponge fauna from the Llanfawr Quarries, Central Wales and phylogenetic implications. Journal of Systematic Palaeontology, 2(1). Castellani, C., et al. (2012). Isolated sponge spicules from the late Cambrian Alum Shale Formation ('Orsten' nodules) of Sweden. Bulletin of Geosciences, 87(3). Olszewska-Nejbert, D. and E. Swierczewska-Gladysz (2009). The phosphatized sponges from the Santonian (Upper Cretaceous) of the Wielkanoc Quarry (southern Poland) as a tool in stratigraphical and environmental studies. Acta Geologica Polonica, Vol.59, Number 4. Rhebergen, F. (2009). Ordovician sponges (Porifera) and other silicifications from Baltica in Neogene and Pleistocene fluvial deposits of the Netherlands and northern Germany. Estonian Journal of Earth Sciences, 58(1). Rushton, A.W.A. and W.E.A. Phillips (1973). A Protospongia from the Dalradian of Clare Island, Co. Mayo, Ireland. Palaeontology, Vol.16, Part 2. Ungureanu, D. and E. Barbu (2004). Endemic Features of the Upper Jurassic Sponges in the Western Central Dobrogea (Atarnati-Cechirgea Perimeter). Acta Palaeontologica Romaniae, Vol. Porifera - North America Botting, J.P. and N.J. Butterfield (2005). Reconstructing early sponge relationships by using the Burgess Shale fossil Eiffelia globosa, Walcott. PNAS, Vol.102, Number 5. Branson, C.C. (1966). Fossil Freshwater Sponges in Oklahoma. Proc. of the Okla.Acad. of Sci, Section B, Geology. King, R.H. (1932). A Pennsylvanian Sponge Fauna from Wise County, Texas. In: Contributions to Geology, 1932. University of Texas Bulletin 3201. (Note: the download includes the entire bulletin. The article on Pennsylvanian Sponges is on pages 52-62 of the pdf file. Rigby, J.K. and R.H. Mapes (2000). Some Pennsylvanian and Permian Sponges from Southwestern Oklahoma and North-Central Texas. In: Brigham Young University Geologyl Studies. Ritter, S. (ed.), Vol.45. (Thanks to DPS Ammonite for locating this one!) Rigby, J.K. and P.M. Myrow (1999). Lower Ordovician Sponges from the Manitou Formation in Central Colorado. In: Brigham Young University Geology Studies. Kowallis, B.J. (ed.), Vol.44. Rigby, J.K. and M.H. Nitecki (1968). Annotated Bibliography of Lower Paleozoic Sponges of North America. Fieldiana: Geology, Vol.18, Number 1. Rigby, J.K., R.B. Blodgett and B.B. Britt (2008). Ordovician sponges from west-central and east-central Alaska and western Yukon Territory, Canada. Bulletin of Geosciences, 83(2). Rigby, J.K., A.W. Potter and N.K. Anderson (2008). Ordovician sponges from the Montgomery Limestone, Taylorsville area, northern Sierra Nevada, California, USA. Bulletin of Geosciences, 83(3). Rigby, J.K., C.B. Linford and D.V. Lemone (1999). Sponges from the Ibexian (Ordovician) McKelligon Canyon and Victoria Hills Formations in the Southern Franklin Mountains, Texas. In: Brigham Young University Geology Studies. Kowallis, B.J. (ed.), Vol.44. (Thanks to DPS Ammonite for pointing me to this one!) Rigby, J.K., B. Senowbari-Daryan and H. Liu (1998). Sponges of the Permian Upper Capitan Limestone, Guadalupe Mountains, New Mexico and Texas. In: Brigham Young Geology Studies. B.J. Kowallis (ed.), Vol.43. 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  24. coral, sponge or none?

    hello, location: Moni formation size: 6cmx3cmx3cm There is a hole in the middle
  25. chaetetid ?

    I've had poor luck with sponge posts in the past. Have I at least got these right ? They are from north eastern Maine. The rocks are likely Silurian/Devonian in age.
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