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  • *Pseudofossils ( Inorganic objects , markings, or impressions that resemble fossils.)

Found 127 results

  1. The winner of the October 2019 IPFOTM goes to... Litoricola macrodactylus crab - Lower Thanetian, Paleocene - Southwest France Congratulations to @caterpillar !!!
  2. Check the entries below carefully and cast your vote! PM me if you notice any errors with the entries. The poll ends November 9th. Be sure to vote in our other FOTM poll, HERE 1. Naticid gastropod (Cochlis sp.), arc clam (Striarca lactea) with naticid drill hole - Langhian, Miocene - Höllerkogel-10, St. Josef, Styria, Austria 2. Aviculopecten sp. pectinid bivalve - Mississippian - Henry County, Missouri 3. Montastraea sp. coral - Langhian, Miocene / Weißenegg-formation - Kittenberg, Heimschuh, Sausal, Styria, Austria 4. Pseudodechenella sp. trilobite - Amherstburg Fm (Lower Devonian) - London, Ontario, Canada (imported fill, possibly from nearby Ingersoll) 5. Oncocerida orthoconic nautiloid - Saluda Formation, Ordovician - St. Leon, Indiana 6. Mariopteris muricata seed fern - Westphalian (Upper Carboniferous) - Northern France near Lens 7. Orthoconic nautiloid with exposed siphuncle (likely Endoceras sp.) - Platteville Formation, Ordovician - Grant County, Wisconsin 8. Litoricola macrodactylus crab - Lower Thanetian, Paleocene - Southwest France 9. Saltwater pearl - Blackheath Member, Thanet Formation, Paleogene -Lesnes Abbey Wood, London 10. Ureocrinus bockshii crinoid (and undescibed jellyfish) - Blackhall Limestone, Lower Carboniferous/Mississippian, Visean Substage - Fife, Scotland
  3. New Study on Tully Monster

    New study on Tully Monster "the findings suggest Tullimonstrum could have been an invertebrate" https://www.sciencemag.org/news/2019/10/300-million-year-old-tully-monster-may-not-be-creature-scientists-thought-it-was
  4. The winner of the September 2019 IPFOTM goes to... Glyptoxoceras subcompressum(?) heteromorph ammonite - Santonian, Haslam - Mt. Tzuhalem, Vancouver Island, Canada Congratulations to @Wrangellian !!!
  5. 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. Hippurites nabresinensis (Futterer, 1893) rudist - Campanian; St. Bartholomä Formation - St. Bartholomä, Styria, Austria 2. Sphenothallus problematic fossil (possible medusozoan) - Sandbian, Late Ordovician - Juodikiai Quarry, Klaipeda District, Western Lithuania 3. Obornella sp. gastropod - Bathonian, Middle Jurassic - Juodikiai Quarry, Klaipeda District, Western Lithuania 4. Alethopteris fern frond - Pennsylvanian Pottsville formation (~320 MYA) - Durham, Georgia 5. Neuropteris fern frond with second frond (Ale thopteris?) on the back - Pennsylvanian Pottsville Formation (~320 MYA) - Durham, Georgia 6. Glyptoxoceras subcompressum(?) heteromorph ammonite - Santonian, Haslam - Mt. Tzuhalem, Vancouver Island, Canada 7. Pine cone - Zanclean, Pliocene - Near Perpignan, southwest France 8. Hippurites colliciatus (Woodward, 1855) rudist - Campanian; St. Bartholomä Formation - St. Bartholomä, Styria, Austria 9. Hadromeros clasoni and Agnostida trilobites - Ordovician - Brantevik, Sweden 10. Tumidocarcinus giganteus crab - Mount Brown Formation, approx 15 Ma (Miocene) - Glen Afric Beach, South Island, New Zealand 11. Submeekoceras and Anaflemingites ammonoids - Meekoceras Zone of Thaynes Formation, Smithian Stage (~251 Mya) - Caribou County, Idaho
  6. Rare and Overlooked

    The biggest joy is in the rare and overlooked. Burrows filled with invertebrate coprolites. Late Cretaceous, New Jersey. 22 September 2019.
  7. The winner of the August 2019 IPFOTM goes to... Asteroceras and Promicroceras ammonites - Jurassic - Lyme Regis, Dorset, England Congratulations to @kameran !!!
  8. 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. Bredya sp. ammonite - Late Toarcian, Aalenian - Juodikiai Gravel Quarry, Klaipeda District, Western Lithuania 2. Trocholites sp. nautiloid - Lasnamagi formation, Middle Darriwilian (Middle Ordovician) - Juodikiai Gravel Quarry, Klaipeda District, Western Lithuania 3. Parasmilia solitary coral - Lower Cretaceous, Comanche Peak Fm. - Central Texas, USA (western area of Bell County, TX) 4. Phacops (Phacops) aff. fecundus degener and Phacops sp. trilobites - Early Devonian (Emsian) - Col d'Aubisque, Pyrénées Atlantiques, France 5. Kobyastraea sp. coral - Bajocian oolitic limestone - SW France, ‘causse de Martel’ (near Lot valley) 6. Aphelaspis brachyphasis trilobite split with dual-sided plate - Cambrian, Conasauga Fm (~500 MYA) - Chatsworth, Georgia 7. Asteroceras and Promicroceras ammonites - Jurassic - Lyme Regis, Dorset, England 8. Spirifer sp. brachiopod - Mississippian - Benton County, Missouri 9. Terataspis grandis (trilobite pygidium fragment) - L. Devonian, Bois Blanc Fm. - London, Canada (imported fill) 10. Texigryphaea graysonana pelecypod death plate - Cretaceous, Duck Creek Formation -Lake Texoma, Texas 11. Olenaspella chrisnewi trilobite - Upper Cambrian McKay Group, Upper Cambrian - Site 15, Bull River Valley, BC, Canada 12. Euterphoceras sublaevigatum nautilus - Cenomanian - Calais, France
  9. Anomalocaris appendage #2

    From the album Invertebrates and plants(& misc.)

    Another smaller anomalocaris appendage. Possibly different species than the 1st. *more info coming
  10. Same as 1st anomalocaris pic

    From the album Invertebrates and plants(& misc.)

    Different lighting to give another view
  11. Anomalocaris appendage

    From the album Invertebrates and plants(& misc.)

    Relatively large anomalocaris appendage *more info to follow
  12. Devonian Mystery Invertebrate

    I'll be darned if I can figure out what type of life form this is. At first I thought brachiopod, but no. Middle Devonian, Hamilton Group, New York.
  13. The winner of the July 2019 IPFOTM goes to... Unidentified (trigonotarbid?) arachnid - Late Carboniferous (Westphalian D), Osnabrück Fm. - Piesberg quarry near Osnabrück, Germany Congratulations to @paleoflor!!!
  14. 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. Hippurites colliciatus rudist - Campanian, St. Bartholomä Formation, Gosau Group - St. Bartholomä, Styria, Austria 2. Vaccinites alpinus rudist - Campanian, St. Bartholomä Formation, Gosau Group - St. Bartholomä, Styria, Austria 3. Mesopuzosia pacifica titanic ammonite - Late Cretaceous (Coniacian) Yezu Group - Mikasa, Hokkaido Prefecture, Japan 4. Mediospirifer auduculus brachiopod with unknown crinoid holdfast - Devonian, Moscow Formation - Penn Dixie Fossil Park, New York 5. Bellaclathrus spinosus brachiopods - Permian, Fort Apache Member, Schnebly Hill Formation - northeastern Gila County, Arizona 6. Platystrophia sp. brachiopod with quartz crystals - Ordovician - Maysville, Kentucky 7. Atactotoechus fruticosus bryozoan - Middle Devonian, Moscow, Kashong Member - Livingston County, New York 8. Treptoceras crebriseptum orthoconic nautiloid - Upper Ordovician (~440-445 mya), Georgian Bay Formation - Toronto, Ontario, Canada 9. Promicroceras, Asteroceras, Xipheroceras and Cymbites ammonite death assemblage - Lower Jurassic, Sinemurian - Charmouth, Dorset, England 10. Flexicalymene granulosa trilobite - Upper Ordovician, Georgian Bay Formation - Mimico Creek, Etobicoke, Ontario, Canada 11. Unidentified (trigonotarbid?) arachnid - Late Carboniferous (Westphalian D), Osnabrück Fm. - Piesberg quarry near Osnabrück, Germany 12. Near-complete frond of Mariopteris nervosa - Late Carboniferous (Westphalian D), Osnabrück Fm. - Piesberg quarry near Osnabrück, Germany 13. Corocrinus calypso four associated crinoid cr owns - Middle Devonian, Erian, Arkona Formation - Arkona, Ontario, Canada
  15. Invertebrate Ocean Beach Fossil?

    Hi! I'm mostly here just because I'm interested in fossils haha, but I was wondering what this fossil might be? It's approx. 3-4 cm (pretty small!), and I also found it on the beach in Puerto Plata (Dominican Republic). This is more for curiosities sake, and just because I find them cool.
  16. NY Devonian Invertebrate

    What the heck? At first I thought this was maybe a cephalopod cross-section, but now I only have guesses. It's about 20mm in diameter. Found in a Skaneatles FM (Middle Devonain) outcrop in Madison County, NY
  17. Oyster

  18. The winner of the June 2019 IPFOTM goes to... Eurypterus remipes eurypterid - Late Silurian, Phelps Member, Bertie Group - Herkimer County, New York Congratulations to @Al Tahan!!!
  19. Worms?

    Made a trip to Fort Gibson dam 4 days ago and saw these invertebrate fossils that looked to me like "spikey worms". The ones in the photos are in rock and measure about 2 to 3 cm or more. The road cuts are of Mississippian age on either side of the dam. Also found a blastoid here. What are the spikey worm fossils?
  20. 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. Pinus sp. and Pinus brevis cones - Miocene - Chłapowo, Poland 2. Flexicalymene croneisi trilobite - Ordovician, Lindsay Fm, Hillier Member - Bowmanville, Ontario, Canada 3. Donaciinae subfamily (aquatic leaf beetle) elytron imprint - Miocene - Juodikiai Quarry, Klaipeda district, Western Lithuania 4. Apiaceae indet. (carrot family) seed - Miocene - Juodikiai Quarry, Klaipeda district, western Lithuania. 5. Menuites ammonite in bryozoan colony - Late Cretaceous, Wenonah Formation - Monmouth County, New Jersey 6. Eurypterus remipes eurypterid - Late Silurian, Phelps Member, Bertie Group - Herkimer County, New York 7. Harpoceras and Dactylioceras gracile ammonites - Lower Jurassic, Upper Lias - Sandsend, near Whitby in Yorkshire, England 8. Periarchus pileussinensis sand dollars with Chlamys scallop fragment - Eocene, Tivola Limestone (~35 mya) - Perry, Georgia 9. Chlamys spillmani clinchfieldensis scallop - Eocene, Tivola Limestone (~35 mya) - Perry, Georgia 10. Crickites sp. goniatite - Late Devonian, Frasnian - Chimay, Belgium 11. Eldredgeops rana trilobite with Stereolasma rectum horn coral - Devonian - Hamburg, New York 12. Olenoides nevadensis with associated Elrathia kingii trilobites - Cambrian, Wheeler Shale - U-dig quarry near Delta, Utah
  21. The winner of the May 2019 IPFOTM goes to... Triarthrus eatoni trilobite (ventral view with eggs) - Ordovician - Beecher's Beds, Walcott Quarry, near Rome, New York Congratulations to @Scylla!!!
  22. I don't know whether I should have put this in the ID section instead, as I'm looking for some info and for help in sorting out what I've got, but not necessarily IDs per se. But it's also a sort of show-and-tell, so here goes. The info I'm trying to sort out has to do with the locations and formation/stages of some of the items. To help, I'll post the Ordovician correlation chart from the ICS and this other one from a paper on the Valongo (Portugal) site recently posted in the Documents section, showing the known soft-bodied sites of the Ordovician... The latter seems a little too tidy, with the deposits fitting exactly within the given stages, but maybe it will be of some help:
  23. 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. Mecaster scutiger echinoid anoxic mortality cluster - Cretaceous, Cenomanian (Tentúgal Fm, I level) - Montemor-o-Velho, Coimbra, Portugal 2. Stromatoporid (with bonus nautiloid) - Likely Devonian (formation uncertain) - Champaign, Illinois 3. Pleurodictyum americanum (tabulate coral) attached to a crinoid calyx (Megistocrinus?) - Middle Devonian, Moscow Formation - Livingston County, New York 4. Echinocaris punctata phyllocarid - Middle Devonian (Givetian), Moscow formation, Hamilton group - Madison county, New York 5. Triarthrus eatoni trilobite (ventral view with eggs) - Ordovician - Beecher's Beds, Walcott Quarry, near Rome, New York 6. Psammichnites? ichnofossil, molluscan feeding trail - Carboniferous - Kilkee, Ireland 7. Coeloma vigil crab - Eocene - Provence, France 8. Cenocerus nautiloid - Early Jurassic - Mappleton, Yorkshire, UK
  24. The winner of the April 2019 IPFOTM goes to... Nahecaris frankei (phyllocarid) - Emsian (Early Devonian) - Burg-Reuland, Belgium Congratulations to @Manticocerasman!!!
  25. deep sclerochronology

    robiproufliersclerogeochemDSRDSRII2014.pdf The geochemistry of deep-sea coral skeletons: A review of vital effects and applications for palaeoceanography Laura F. Robinson, Jess F. Adkins , Norbert Frank , Alexander C. Gagnon ,Nancy G. Prouty , E. Brendan Roark , Tina van de Flierdt Deep Sea Research 99,2013
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