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Found 181 results

  1. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends January 9th. Be sure to vote in our other FOTM poll, HERE 1. Alethopteris sullivantii fern frond - Francis Shale, Carboniferous - Pit 2, Wilmington, Illinois 2. Periarchus pileussinensis sand dollar - Late Eocene, Tivola Limestone (~34 Ma) - Perry, Georgia 3. Culicia parasitica (coral) + Celleporaria (bryozoan) - Paleogene - West Russia, Kaliningrad area, Svetlogorsk 4. Diplocalamites sp. horsetail - Middle Pennsylvanian - New Mexico 5. Mammites nodosoides ammonite - Cretaceous, Early Turonian - Cap-Blanc-Nez, France
  2. Silurian Invertebrate Needs ID

    These are two fossils of the same species collected at the Long Pond Road Site along the Erie Canal in Greece, New York. They are from the middle Silurian Rochester shale. These were collected last winter, and I have since been unable to identify them. Both are no greater than 3cm in length. Some interesting fine detail is visible on the first specimen. The American dime is 1.8cm in diameter.
  3. The winner of the November 2020 IPFOTM goes to... Heterosalenia sp. nov. echinoid (new species currently being described) - Lower Glen Rose Formation, Lower Cretaceous (Albian) - Comal County, Texas Congratulations to @JamieLynn !!!
  4. Here is a picture of a Bivalve imprint I found whilst in a Creek in Western Wake County. I was in the Triassic Basin and they have fossils dating back around 230 Ma ± 2 ma. It was part of the Carnian Stage of the Triassic part of the bigger Newark Supergroup. I presume it is a freshwater genus but I don't hear much about freshwater Bivalves when it comes to Triassic fossils.
  5. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends December 9th. Be sure to vote in our other FOTM poll, HERE 1. Siderastrea crenulata? colonial coral - Miocene, Langhian/Badenian - "Muschelgraben", Pöls, Styria, Austria 2. Eutrochocrinus christyi crinoid calyx - Mississippian, Burlington Formation - Henry County, Missouri 3. Odontopleura ovata trilobite - Silurian, Ludlow - Prągowiec Ravine, Poland 4. Heterosalenia sp. nov. echinoid (new species currently being described) - Lower Glen Rose Formation, Lower Cretaceous (Albian) - Comal County, Texas 5. Sinistrofulgur roseae & Chione elevata - Belle Glade Member of the Bermont Formation, (Ionian, 800 Ka) - Cape Coral, Florida
  6. The winner of the October 2020 IPFOTM goes to... Craspedites subditus ammonite - Jurassic, Upper Tithonian (Volgian) - Undory, Ulyanovsk Oblast, Russia Congratulations to @RuMert !!!
  7. Dear all, Recently I purchased a "Nostoceras Malagasyense" Heteromorphic Ammonite from an online platform. Initially, I didn't question the authenticity of the specimen, as the seller seems to have quite a few Cleoniceras ammonites for sale (which are clearly genuine). However for this piece I'm quite unsure if it is truly authentic, and would like a second opinion. I understand that there is an Export Ban for fossils from China, but to my understanding that's for Vertebrate fossils (ammonites are invertebrates). My main concerns are: Is it a legitimate fossil? Some parts look carved, but at the same time some of the striations look too difficult/ not worth the effort to forge for the price paid. Thank you!
  8. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends October 9th. Be sure to vote in our other FOTM poll, HERE 1. Clypeaster altus echinoid - Miocene, Tortonian to Zanglean - Island of Kythera, Greece 2. Radiolites sauvagesii twin rudists - Turonian, Saint-Cirq Fm. - Dordogne, France 3. Notocaris tapscotti pygocephalomorph peracarid crustacean - Early Permian, Ecca Group, Whitehill Frm. - South Africa 4. Cymatospira montfortianus gastropod - Pennsylvanian, Home Creek Limestone - Texas 5. Montastraea sp. coral - Miocene (Langhian), Weißenegg-Formation - Hötzlweg, North of Heimschuh, Styria, Austria 6. Ostrea sp. oyster - Miocene (Langhian), Weißenegg-Formation - Hötzlweg, North of Heimschuh, Styria, Austria 7. Craspedites subditus ammonite - Jurassic, Upper Tithonian (Volgian) - Undory, Ulyanovsk Oblast, Russia 8. Unidentified Arthropoda - Middle Cambrian, House Range - Western Utah
  9. The winner of the September 2020 IPFOTM goes to... Triarthrus eatoni trilobites - Late Ordovician, Lorraine Group, Frankfort Shale - Oneida county, New York Congratulations to @Al Tahan !!!
  10. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends September 9th. Be sure to vote in our other FOTM poll, HERE 1. Composita sp. brachiopod steinkern with internal (athyrid) spiralia brachidium - Burlington Formation, Mississippian - Henry County, Missouri 2. Pentremites sp. blastoid - Glen Dean Formation, Upper Mississippian - Grayson County, Kentucky 3. Comatulid crinoid - Glen Rose Formation, Cretaceous - Bandera County, Texas 4. Triarthrus eatoni trilobites - Late Ordovician, Lorraine Group, Frankfort Shale - Oneida county, New York
  11. Cretaceous Crab/Lobster?

    I found these fragments of something crabby on my last trip to the North Sulphur River in Texas. They were partially exposed in one of the red bed layers of the Ozan Formation, and were so delicate that they started to crumble when I extracted them. I saved the more whole and identifiable pieces. They're a kind of muddy yellow color, with maybe some hints of the original pigmentation in the blue areas. The red beds tend to either turn fossils black (when they're phosphatized) or a dusty red, so this was quite an unusual find for me. The closest to an ID I've been able to get so far is some sort of lobster like an Enoploclytia, but other than that I'm unsure. Any help with an ID would be appreciated, as would any advice as to how I should go about preserving the fossils to make them more durable, as they are still extremely fragile.
  12. The winner of the August 2020 IPFOTM goes to... Thresherodiscus ramosus edrioasteroid - Ordovician, Bobcaygeon Formation - Goat Island, Ontario Congratulations to @Kane !!!
  13. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends September 9th. Be sure to vote in our other FOTM poll, HERE 1. Trachyscaphites spiniger ammonite - Cretaceous, Ozan Formation - North Sulfur River, Texas 2. Myriacantherpestes ferox millipede body section - Upper Carboniferous, Pennine Middle Coal Measures Formation - South Yorkshire, UK 3. Anorthopygus texanus echinoid - Cretaceous, San Martine Formation - Culberson County, Texas 4. Thresherodiscus ramosus edrioasteroid - Ordovician, Bobcaygeon Formation - Goat Island, Ontario 5. Hemicidaris sp (?) echinoid - Upper Jurassic - Cesaredas, Portugal 6. Eurypterus remipes eurypterid - Upper Silurian, Bertie Group, Fiddlers Green Formation, Phelps Member - Herkimer County, New York 7. Razor Clam - Cretaceous, Ozan Formation - North Sulfur River, Texas 8. Solenochilus sp. nautiloid - Late Pennsylvanian, Conemaugh Group, Glenshaw Formation, Brush Creek Limestone - Pennsylvania 9. Euphoberia sp. (spiny millipede) - Middle Pennsylvanian, Francis Creek Shale - Mazon River, Illinois
  14. The winner of the July 2020 IPFOTM goes to... Thaleops ovata tilobite - Platteville Formation, Ordovician - Grant County, Wisconsin Congratulations to @minnbuckeye !!!
  15. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends August 9th. Be sure to vote in our other FOTM poll, HERE 1. Thaleops ovata tilobite - Platteville Formation, Ordovician - Grant County, Wisconsin 2. Composita sp. cf. C. pikensis brachiopod with complete spiralia - Mississippian (Lower Burlington Formation chert) - Henry County, Missouri 3. Rhinocaris columbina phyllocarid - Middle Devonian (Givetian), Hamilton Group Moscow Formation Windom Member - Deep Springs Road Quarry, Lebanon, New York 4. Hippurites nabresinensis rudist - St. Bartholomä-formation, Gosau-group (Campanian) - St. Bartholomä, Styria, Austria 5. Almucidaris falgarsensis echinoid - Terradets Formation (Upper Campanian) - Barcelona, Spain (SE Pyrenees) 6. Florissantia sp. cf. F. quilchenensis flowers - Naches Formation, Late Eocene and Oligocene - Central Washington
  16. The winner of the June 2020 IPFOTM goes to... Promopalaester bellulus sea star - Late Ordovician, Salona Formation - Pennsylvania Congratulations to @historianmichael !!!
  17. help id this fossil

    Lots of rocks with tiny fossils. This was on one of these rocks. Most of the fossils are Crinoids but this looks like something else Any ideas?
  18. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends July 9th. Be sure to vote in our other FOTM poll, HERE 1. Phymosomatoida indet. echinoid - Upper Jurassic, mid-Tithonian (Volgian), Dorsoplanites panderi zone - Moscow, Russia 2. Atrypa sp.? brachiopod steinkern with inner support - Mississippian - Henry County, Missouri 3. Placenticeras placenta ammonite - Late Cretaceous, Merchantville Formation - Monmouth County New Jersey 4. Metacoceras sp. nautiloid - Kasimovian, Missourian, Pennsylvanian, Glenshaw Formation - Western Pennsylvania 5. Promopalaester bellulus sea star - Late Ordovician, Salona Formation - Pennsylvania 6. Manticoceras sp. goniatite - Late Devonian, Frasnian - Lompret, Belgium 7. Schinoxylon sp. (petrified pepperwood tree) - Eocene, Green River Formation - Blue Forest, Wyoming 8. Amphilichas halli trilobite - Upper Ordovician, Liberty/Whitewater Formation - Brookville, Indiana
  19. Gastropod or something similar?

    Hey again, this is a very tiny ~.5cm shell that I found some time ago at the regular road cut at the Lost River exposure of the Mahantango Formation. I would guess it’s a Gastropod or something similar but if it could be narrowed down any further I would be elated. Thanks guys!
  20. The winner of the May 2020 IPFOTM goes to... Sinosura kelheimense brittlestars - Upper Jurassic - Hienheim Quarry, Germany Congratulations to @David !!!
  21. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends June 9th. Be sure to vote in our other FOTM poll, HERE 1. Trigonia sp. bivalve with calcite - Upper Cretaceous (75-90 Ma) - North Sulfur River, Delta County, Texas 2. Esconites zelus polychaete worm - Francis Creek Shale, Mid Pennsylvanian (307 Ma) - Braceville, Ilinois 3. Holcospermum seed and Sphenophyllum - Late Carboniferous, Pennine Middle Coal Measures Formation - South Yorkshire, UK 4. Clypeaster sp. echinoid - Miocene (Burdigalian) - Sesimbra, Portugal 5. Sinosura kelheimense brittlestars - Upper Jurassic - Hienheim Quarry, Germany 6. Trochactaeon giganteus gastropod with fragment of coral colony - Upper Santonian/Lower Campanian - Breitenbach, Kainach bei Voitsberg, Styria, Austria 7. Uperocrinus pyriformis crinoid calyx - Burlington Formation (Mississippian) - Henry County, Missouri 8. Torynomma quadrata crabs - Allura Mudstone (Cretaceous, 105 Ma) - Queensland, Australia 9. Kettneraspis tuberculata trilobite - Lower Devonian, Kalkberg Formation, Helderberg Group - Schoharie Co., New York 10. Strotocrinus glyptus crionoid calyx - Mississippian, Upper Burlington Limestone - Southern Iowa
  22. The winner of the April 2020 IPFOTM goes to... Arbacia improcera echinoid - Pliocene, Yorktown Formation Zone - Craven County, North Carolina Congratulations to @sixgill pete !!!
  23. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends May 9th. Be sure to vote in our other FOTM poll, HERE 1. Lepidostrobophyllum seed bract - Pennsylvanian / Francis Creek Shale - Mazon Creek, Illinois 2. Gastropod steinkern covered with calcite - Cretaceous - (75-90 Ma) - North Sulfur River, Delta County, Texas 3. Isotelus gigas trilobite - Middle Ordovician, Trenton Formation - Herkimer county, New York 4. Triarthrus eatoni trilobite - Middle Ordovician, Trenton Formation - Herkimer county, New York 5. Ectenocrinus simplex crinoid - Ordovician, Cincinnatian Series, Edenian Stage, Kope Formation - Pendleton County, Kentucky 6. Foraminifera - Pennsylvanian, Winterset Limestone - Kansas City, Missouri 7. Clypeaster sp. echinoid - Miocene (Burdigalian), Calcarenitos e margas da Fonte - Sesimbra, Portugal 8. Arbacia improcera echinoid - Pliocene, Yorktown Formation Zone - Craven County, North Carolina
  24. Worm Borings?

    Hey everyone just wanted to check in with you all and see how you are doing. I also wanted to inquire about these Worm Borings/Concretions, and what our members consensus might be. Maybe our resident concretion collector @Ruger9a would be able to help me out. Anyway, here are the pictures: Here is a photo of the excavation site:
  25. Hello, I'm looking for an ID on a relatively well preserved marine fossil found in a south florida gravel bed with many bivalve and brachiopod fossils nearby. Any help would be much appreciated. Thanks in advance.
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