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  1. Lucid_Bot

    No Geological Information

    Hi, I don't have any information on this specimen since I believe the rock that I found it in is foreign to the area I discovered it. Although I think the rock is from somewhere around the Western Pennsylvania/Eastern Ohio area. It is approximately 2.6 cm by 2 cm. Just hoping someone has some idea what it is. Thanks again.
  2. Lucid_Bot

    I Doubt this is Identifiable, but,

    What do I know? This piece is Pennsylvanian and probably from Brush Creek Limestone. It was found near marine fossils. I have no idea what it is. All help is appreciated.
  3. Lucid_Bot

    Any Chance Dating These Crinoids?

    I was searching around a local stream when I found some limestone with dozens of crinoid stems. I can't say what the formation is as I think they rolled down a hillside which had foreign limestone blocks to prevent erosion. If they are native, they would be Pennsylvanian Glenshaw Formation. Each of them has stellate lumens and many have a pinkish hue. Can anyone tell me what variety of crinoid and is it possible to discern the period? Thanks.
  4. Fossils date to when Manheim Township was an ocean floor By Joan Kern, LNP, Lancaster Online, October 26, 2022 Pates, S. and Daley, A.C., 2019. The Kinzers Formation (Pennsylvania, USA): the most diverse assemblage of Cambrian Stage 4 radiodonts. Geological Magazine, 156(7), pp.1233-1246. Skinner, E.S., 2005. Taphonomy and depositional circumstances of exceptionally preserved fossils from the Kinzers Formation (Cambrian), southeastern Pennsylvania. Palaeogeography, palaeoclimatology, palaeoecology, 220(1-2), pp.167-192.
  5. Mnopali

    Is this petrified wood?

    I found these in Washington County Maryland (live in Central PA) while staying at an Airbnb. They were lying in and around a small creek. I've never seen anything like these before. I kept thinking they were peices of wood but was surprised to find them to be rocks when I picked them up. I also found this large peice of quartz? I have no idea so what do you all think?
  6. Thomas1982

    Dipleura dekayi

    From the album: Mahantango Formation

    Dipleura dekayi Schuylkill County, Pennsylvania
  7. Donna Straw


  8. Thomas1982


    From the album: Llewellyn Formation

    Macroneuropteris pinnule Schuylkill County, Pennsylvania
  9. Went to a site in central PA today and collected some Llewelyn formation ferns and other Carboniferous plants. Second opinions on the following are appreciated! 1, I thought this is an Alethopteris but the leaves look like they can also be some immature Neuropteris with compound leaves with the leaves pressed together. 2. Is this Sigillaria bark? 3. Wasn’t sure if this is Lepidodendron bark. These crosshatched stem-looking prints are quite common at the site 4. is this a Calamite print?
  10. I live in jersey near Philadelphia and I was hoping to find eurypterid fossils but the only stop I can find is Lang’s quarry which is over 5 hours away and cost a ton to hunt. I am wonder if anyone has found evidence of eurypterids in Pennsylvania , Maryland, or southern New York. If you have any pictures I would greatly appreciate it. Thanks, Noel.
  11. Jeffrey P

    Megalicthys Scale

    From the album: Upper Devonian

    Megalicthys sp. Scale (about 1/2 inch) Upper Devonian Catskill Formation Duncannon Member Red Hill Hyner, PA.
  12. Jeffrey P

    Unidentified Devonian Fish Tooth

    From the album: Upper Devonian

    Unidentified Fish Tooth (1/3 inch) Upper Devonian Catskill Formation Route 15 Blossburg, PA.
  13. Lucid_Bot

    Pennsylvanian Brachiopods

    Howdy! Split some limestone (I think it's Brush Creek) to find dozens of poorly preserved brachiopods and now I need some help IDing. Thanks in advance for any help. @cngodles
  14. From the album: Upper Devonian

    Acanthodian and Placoderm Fin/Spines Upper Devonian Catskill Formation Duncannon Member Red Hill Hyner, PA.
  15. Jeffrey P

    Arthrodire Placoderm Armor Piece

    From the album: Upper Devonian

    Phyllolepis sp. Arthrodire Placoderm Armor Piece Upper Devonian Catskill Formation Duncannon Member Route 15 Steam Valley, PA.
  16. Jeffrey P

    Placoderm Dorsal FinIMG_8801

    From the album: Upper Devonian

    Turrisaspis elektor Placoderm Dorsal Fin Upper Devonian Catskill Formation Duncannon Member Red Hill Hyner, PA.
  17. Jeffrey P

    Palaeotrochoid Gastropod

    From the album: Upper Devonian

    Palaeotrochus sp. Palaeotrochoid Gastropod (flattened imprint) Upper Devonian Catskill Formation Irish Valley Member Selingsgrove, PA
  18. Misha

    Fish plate

    From the album: Misha's Late Devonian Fossils

    Small plate from fish found at Red Hill. My best guess as to the ID would be a Turrisaspis sp. Posterior dorsolateral plate, although I am not sure that that's what I have here as I couldn't really find much to reference. Late Devonian, Catskill Fm., PA.
  19. From the album: Fossildude's Upper Devonian Fish Fossils

    Upper Devonian Catskill Formation Upper Steam Valley Route 15 Road cut. Pennsylvania

    © 2021 Tim Jones

  20. Fossildude19

    Bothriolepis shield and pectoral spines

    From the album: Fossildude's Upper Devonian Fish Fossils

    Bothriolepis sp. body armor and pectoral fin spines Upper Devonian Catskill Formation Metzgers' Quarry, Canton, PA.

    © 2022 Tim Jones

  21. Fossildude19

    Bothriolepis body cast

    From the album: Fossildude's Upper Devonian Fish Fossils

    Bothriolepis sp. body cast Upper Devonian, Catskill Formation Metzgers' Quarry, Canton, PA.

    © 2022 Tim Jones

  22. Fossildude19

    Bothriolepis body cast double

    From the album: Fossildude's Upper Devonian Fish Fossils

    Bothriolepis sp. body casts Upper Devonian Catskill Formation Metzgers' Quarry, Canton, PA.

    © 2022 Tim Jones

  23. Bringing Fossils to Life

    A reconstruction of the Mahantango Formation

    I just finished a reconstruction of the Mahantango ecosystem, based off of fossils I have found at corresponding sites. This certainly does not cover all species in this formation, but many of the most prominent (Sorry no Dipleura, haven't done that one yet). I recently learned about Striacoceras and re-identified many of my orthocerids as this obscure genus. Striacoceras is the brown orthocone in the background. I included two crinoid genera, (left to right) Ancyrocrinus and Botryocrinus. an Eldredgeops searches for prey. There are several Mucrospirifer brachiopods, some Orthonota bivalves, a
  24. Jeffrey P

    Upper Devonian Lycopod Bark

    From the album: Upper Devonian

    Lycopod Bark Upper Devonian Catskill Formation Irish Valley Member Selinsgrove, PA.
  25. Fossildude19

    Fish scale

    From the album: Fossildude's Upper Devonian Fish Fossils

    Upper Devonian Catskill Formation Upper Steam Valley Route 15 Road cut. Pennsylvania

    © 2021 Tim Jones

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