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Found 265 results

  1. Unknown Bivalve

    I cannot prep this Lower Oxford Clay bivalve beyond what you see as its in quite a fragile state, I’ve identified it as a species of Meleagrinella would you agree @oxford clay keith
  2. From the album Middle Devonian

    Gosselittia triqueter Pteriomorph Bivalve (both valves) Middle Devonian Oatkacreek Formation Mottville Member Marcellus Shale Hamilton Group Swamp Road Quarry Morrisville, N.Y.
  3. From the album Middle Devonian

    Paleoneilo emerginata Paleotaxodont Bivalve (both valves) Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road Quarry Earlville, N.Y. A gift from fossildude19 Thanks Tim
  4. Bivalves or Brachiopods?

    I'm in need of your help. I'm trying to learn how to recognize and maybe differentiate brachiopods from bivalves in the worn fossil rocks I find on Lake Michigan's beaches. If indeed it is one or the other, how do you tell which? In the photo below, what looks like the shaft of an arrow, is it the foot or stalk? OTOH, if it's neither b-pod nor bivalve, what is it? Often I find just bits and pieces in these tumbled rocks. I suspect some of them to be parts of shells, but I'm not quite sure. The shape within my blue circle below is visible over and over on many of my finds. Is thisa part of a shell? Or not? This fossil turns the corner on the same rock as above. It's visible on both sides of the fossilized rock, which is about 5mm wide. I've combined photos of both sides of the rock onto one pic. The total length of this fossil is just about 2.5 cm. I assume that's a cross section of a shell showing the insides of the two valves?
  5. Florida Fossil Shells

    I don't know where to begin. I am completely new to the forum. I will eventually be posting some fossils for help with ID and others that are identified by experts already. Having said that, this poster represents some of my fossils. I am not sure if can even read the names underneath. I may have to post separately. Any ID corrections would be graciously accepted. What I really need help with is locations. While living in FL for several years, I would go to a couple of locations in Polk Co. where I knew road base, I believe it is called aggregates were often kept. I visited and collected. What I don't know if where the shells originated. APAC Pit in Sarasota, Aggregates Pit in Bonita Springs, Star Ranch Quarry, Clewiston, Cochran Pit in Labelle to name a few possible locations. Based on the shells collected, it would seem that most come from either the Tiamiami or Caloosahatchee Formations, not sure which members....Pinecrest Beds, Bermont, Ayers Landing Ft. Denaud etc. How do I know what collection data to include on my label. I can list where I found it, but it is not its origin. ID is pretty ok with Petuch's works, but if I don't know the origin, it makes ID much more difficult. Any input or ideas to help would be appreciated. Thanks in advance. I have included a sample collection label for anyone to comment on how to improve. One is more vague since I don't know origin, the other is from a fossil I purchased. Date on label was date I added to my collection. How important is it to list the taxonomist such as Petuch or Conrad etc? scienceteacher79
  6. From the album Cretaceous

    Liopistha alternata Bivalve/clam Upper Cretaceous Merchantville Formation Matawan Group Weller's Ravine Matawan, N.J. prepared by Ralph Johnson
  7. Cast of Bivalve Shell from the Pinna Layer

    From the album Just Above the Iridium Layer

    Granocardium sp.? Cast of bivalve shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J.
  8. From the album Just Above the Iridium Layer

    Crenella cerica Cast of Tiny Bivalve Shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J.
  9. From the album Just Above the Iridium Layer

    Pecten whitfieldi Cast of tiny partial scallop shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J.
  10. Trigonia from the Pinna Layer

    From the album Just Above the Iridium Layer

    Trigonia eufaulensis Cast of Bivalve Shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J.
  11. Cast of Oyster from the Pinna Layer

    From the album Just Above the Iridium Layer

    Pycnodonte convexa Cast of Oyster Shell Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J.
  12. Pair of Cucullaea from the Pinna Layer

    From the album Just Above the Iridium Layer

    Cucullaea vulgaris Pair of Bivalve Casts Paleocene Pinna Layer Hornerstown Formation Manasquan River Basin Freehold, N.J.
  13. Are these bivalves extinct

    I can find photos that look like the ones in the last 3 photos but can't seen to find much info on them, are all of these the same species? I can't find anything that looks like the one in the first 3 photos so I'm not sure what to make of it. Based on the photos I've compared some of these to, I believe that some may have gone extinct during the Pliocene.
  14. Here is a small trip only minutes away from downtown Salt Lake City. If you would like the exact location, PM me. I hadn’t been to this site in a couple years so it took @Earth Chemistry and I a couple hours to re-discover it so here’s a little history about the area. Ok first, the structural geology in this area is quite famous as it is a large pair of synclines. From https://geology.utah.gov/wp-content/uploads/synclines.gif They were made in the Sevier Orogeny about 120 Ma to 50 Ma ago.
  15. I have come across several tiny bivalves and gastropods while digging marine fossils out of sandstone boulders, they range in size from about less than 1mm to about 10mm. I was wondering, do all of these small specimen grow into the larger ones? Also, I can plenty photos of present day small specimen but I can not seem to find many photos of prehistoric small bivalves and gastropods, anyone have any links to tiny prehistoric shells???
  16. Toronto creek - big haul

    Location: Etobicoke creek, Toronto, CA Date collected: July 27th, 2019 Hello! I pulled in a whole bunch of fossils along the Etobicoke creek (a little bit further north compared to my last trip - almost same location though). LOTS of Orthoconic Nautiloids (as usual), a couple different bivalves and a few crinoid fragments. This is the nautiloid haul. The top right one doesn't look like much but there are about 5 or 6 nautiloids embedded in the matrix! I'm considering learning how to clean up the fossils so that I can show it off in all its glory! These are the bivalves and other stuff collected. These are two separate MASSIVE chunks of monster Nautiloids (~5cm in diameter) - hopefully I can clean this one up as it would make a veryyy nice shelf piece! Closeup on the full bivalve, I've never really found a complete bivalve with both shells in one clump like this before (correct me if its actually just a lame rock - I could be wrong). I thought this one was really interesting: notice the dark brown, lined layer just under the rocky outer layer? I've seen a good lot of Orthoconic Nautiloids but I haven't seen a layer like this before. Maybe its nothing but I thought it might be worth looking into - let me know if you guys have any info, or what you think! Anyways thats what I pulled in this past weekend! I'd say its a decent haul, not my nicest stuff but still a good lot. -Em
  17. Monday was an extremely nice one weather wise. I took advantage and visited a small private quarry near Morrisville in Central New York. I've been to this site several times in the past, but the last trip was roughly a year ago. The quarry exposes the Mottville Member of the Middle Devonian Oatkacreek Formation. It is part of the Marcellus Shale which represents the bottom of the Hamilton Group. In terms of fauna it has similarities with the nearby Deep Springs Road and Briggs Road quarry sites which are younger in age. There are also notable differences.
  18. There is a bit of Georgian Bay formation in my neighbourhood. It is littered with trace fossils and guarded by swarms of mosquitos. This area surrenders its treasures very reluctantly. There are a few little bryozoan pieces and not much else that I can see. The exception is a single outcrop from which I've pulled some sedimentary rock and found shell imprints. Some are quite wonderful, and there are several species. I think they might have these genus names: Ambonychia, Rafinesquina, Zygospira. The rocks also have all kinds of "colonies" in them, but I cannot identify them and they are not easy to make out.
  19. I contacted a few scientist trying to figure out some of the marine fossils that I had found and many them appeared to be shocked at how many these had color in them. Is it really rare to find marine fossils beyond 2.5 millions years old with color??....OMG, just had another freaking earthquake!!!!!!!
  20. On the west side of the harbour in Oakville, Ontario, they have set up a waterfront with hundreds of big stones from Orillia. They are covered with fossils...many thousands of them, and some quite striking. Last I saw, it wasn't officially open, but it's accessible.
  21. From the album Middle Devonian

    Phestia brevirostra Paleotaxodont Bivalve Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road Quarry Lebanon, N.Y. A generous gift from fossildude19
  22. Pteriomorph Bivalve from Cole Hill

    From the album Middle Devonian

    Actinodesma erectum Pteriomorph Bivalve Middle Devonian Skaneateles Formation Delphi Member Hamilton Group Cole Hill Quarry North Brookfield, N.Y.
  23. Back in January I bought a new 15 drawer cabinet and have slowly been transferring my collection to it. Going through my old finds, some of which have been boxed and/or bagged away I haven't seen for years has been a pleasure and some new gems have turned up that I had overlooked the first time around. There was this Actinodesma erectum, a pteriomorph bivalve which had broken when it was excavated last summer at Cole Hill.
  24. Bivalve Shell Imprints

    From the album Cretaceous

    Ethmocardium welleri Bivalve Shell Imprints Upper Cretaceous Wenonah Formation Matawan Group Big Brook Marlboro, N.J.
  25. Bivalve from Big Brook

    From the album Cretaceous

    Eriphyla parilis Bivalve Upper Cretaceous Wenonah or Navesink Formation Matawan or Monmouth Group Big Brook Marlboro, N.J.
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