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Found 23 results

  1. Last Saturday , my regular fossil buddy and I took the kayaks out on the Caloosahatchee , trying to get a trip out before the river is covered in blue green algae once again. As we arrive at our spot to put in, the swirls of algae were already starting. Florida has a difficult problem it has been observing for years, with no solution. Under our new legislator, perhaps something will be done...at least they are throwing 30 million dollars at research to figure out how to solve the problem. But I digress, ( after all the problem is upsetting to anyone who uses the water....which is all of South Florida). We first headed west along the river to a couple of shallow edges where we typically find sharks teeth...only a few. Too many trees in the way from the last hurricane. So we turned our kayaks back upstream to our usual Caloosahatchee formation spot. We decided to head a little further than our spot while checking the shoreline. In about another 100 yards, I spotted some tell tale Cardium Dalli in the bank close to the surface of the water. we pulled onto a shallow spot, almost like a sandbar, but right at the river's edge. As I stepped out of my kayak, I crunched on Dalli shells, so dug a little straight down into the sand. I pulled up about 4 or 5 Dalli, one included a broken have of a nodipecten. (Wish I had knee pads along....ouch) I felt around in the sand a bit, and could tell there was a large smooth shell.. I anticipated it would be a Lobatus ledyi, so I was very careful with clearing the sand away. Often they have a broken lip or edge, but I still like to discover them. After what seems lilke a long time, wearing down my fingernails, I was able to work it loose....it was the most perfect ledyi I have seen. Its notches and curves were still sinuous and beautiful. I carefully wrapped it in my hat to store it, and dug a bit more. Over all, I found a nice cache of shells at this spot...you can see. The other fossil I was impressed by at this location. Is the Arca Wagneriana...it has a particularly long bottom point on it. Almost twice as long as others I have found nearby. I found three of these, but the picutured, is the very best. Finally, I have included an ostrea...which I don't believe is a sculpturata...I am unfamiliar with it. But it too is a beauty, dug out of the sandy bottom of the river. I am assuming these are all in such good shape because they were on the bottom of the river, rather than in a bank, where they would have been subjected to more lateral forces...Hope you enjoy, the river is beautful, and we need to keep it clean.
  2. Ostrea edulis (Linnaeus 1758)

    From the album German Gastropods and Bivalves

    3cm. Burdigalian Miocene Obere Meeresmolasse Found at Billlafingen near the Lake of Constance
  3. Rastellum or Agerostrea ?

    Hello, what do you think could it be ? It is about 20 cm in leght. Many thanks in advance!
  4. Ostrea, but what species?

    Hi all, What species of Ostrea do you think this is? My first thought was O. edulis, but I am wondering if it maybe isn't O. ventilabrum after all. In fact, how exactly can you differentiate the two different species? It was found on the Zandmotor, Netherlands. Most of the shells found here are (apart from modern) from the Eem Formation, Eemian, Pleistocene; 120'000 years old. And it would be this old if it is an O. edulis (which is a very common species). But maybe it is the rarer Eocene O. ventilabrum? I know that they do occur here too, but I never know how to tell them apart from O. edulis. Looking forward to hearing your answers! Max
  5. Ostrea compressirostra

    Self collected from a bluff along the Tar River upstream of Tarboro N.C. This is a fairly common oyster in this deposit, but most are extremely brittle and crumble upon touching. Still looking for my first complete (double valve) specimen.
  6. Ostrea carinata?

    Hi everyone...can these be an Ostrea Carinata? I don't know the provenance. Thanks
  7. Ostreidae

    Very similar to A. falcate, but I hesitate to identify it as such because it is not hooked like O. falcata. It does not appear to be broken anywhere.
  8. Agerostrea (Ostrea) falcata

    This was found in the spoils from dredging the C&D Canal in the 1980s. Recent removal of spoils sand for road construction in the area exposed previously- inaccessible layers of sand. It is currently one of the most common finds at the site.
  9. Ostrea mesenterica

    This was found in the spoils from dredging the C&D Canal in the 1980s. Recent removal of spoils sand for road construction in the area exposed previously- inaccessible layers of sand. This species is not listed in the Delaware Geological Survey's bulletin about the fossils of the Canal. It is distinguished by its small size and non-plicate (no ridges) central area of the shell.
  10. Cubitostrea tecticosta

    This was found in the spoils from dredging the C&D Canal in the 1980s. Recent removal of spoils sand for road construction in the area exposed previously- inaccessible layers of sand. Originally identified as Ostrea tecticosta. It remains in the same family. Being much less common than its cousin O. falcata, this species is not listed in the Delaware Geological Survey's bulletin about the fossils of the Canal. It is distinguished by its large attachment point.
  11. Pycnodonte panda

    This was found in the spoils from dredging the C&D Canal in the 1980s. Recent removal of spoils sand for road construction in the area exposed previously- inaccessible layers of sand. Formerly known as Ostrea panda. It remains in the same Order. This species is not listed in the Delaware Geological Survey's bulletin about the fossils of the Canal. It is distinguished by its round shape. Pycnodontes are an extinct genus of oysters known as foam or honeycomb oysters.
  12. Ostrea quadriplicata

    Upper valve only. The genus of this has used several genera. Currently Peilinia is accepted (Kues, 1997) it has also been Ostrea and Lopha in several publications.
  13. Ostrea sp.

    Any additional information for this fossil would be appreciated as I can't seem to find any what so ever. Ostrea sp ? Labelled as : Ostrea sp , Lower lias , Waddington , Lincolnshire , UK
  14. Bivalve-Ostreasp1b.jpg

    From the album Fossil in Matchboxes

    Ostrea sp ? Labelled as : Ostrea sp , Lower lias , Waddington , Lincolnshire , UK

    © D&E

  15. Bivalve-Ostreasp1a.jpg

    From the album Fossil in Matchboxes

    Ostrea sp ? Labelled as : Ostrea sp , Lower lias , Waddington , Lincolnshire , UK

    © D&E

  16. Ostrea bryani 1a

    From the album Eocene Bivalves of New Jersey

    Ostrea bryani Eocene Manasquan Formation Monmouth County, New Jersey
  17. Ostrea bryani 1b

    From the album Eocene Bivalves of New Jersey

    Ostrea bryani Eocene Manasquan Formation Monmouth County, New Jersey
  18. Ostrea bryani 2

    From the album Eocene Bivalves of New Jersey

    Ostrea bryani Eocene Manasquan Formation Monmouth County, New Jersey
  19. I have an amazing shallow creek I have recently found , I think I have found shark teeth , geodes and some sort of fossilized bone, oh and even a fossilized crab! Please help me identify what kind of shark.
  20. Lopha sp.

    From the album Bivalves

    Lopha sp., Camadas Ricas de Lamelibrânquios Formation, Upper Oxfordian - Lower kimmeridgian, Portugal. 5 cm
  21. I am new to the forum and this is my first time posting. I do appreciate the existance of the forum and look forward to exploring all it has to offer. So. On a recent trip to the C&D canal in Delaware, Reedy point to be exact, I found this 3/4 " fossil. I think it is Creataceous and I think it is an Ostrea. I have done some research and have not been able to pin this one down. Any thoughts? And thanks for any help. Edge view Side 1 view Side 2 view
  22. Triple Play

    This is a fossil I found recently in a creek in central Alabama. The length of the specimen is about 1.5 cm. It appears to be a worm tube on a type of Ostrea, on a unique matrix. The matix is about 8 mm thick and has a darker outer layer about 1 mm thick. I'm guessing it is geologic - the vertically oriented structure doesn't match any type of bone or shell I've seen. I appreciate your input. - Randy
  23. Oyster - Paleocene Aquia Fm Maryland

    ID help needed. I found this well-preserved, ornate, large oyster in Maryland's Paleocene Aquia Formation. Is this the common Ostrea compressirostra? The lower valve's outer surface is quite ornamented, with radial folding along the protruding thin edges of the concentric growth rings (see pics). The valve margins are slightly discordant. The adductor muscle scar impressions, on both valves, contains what appears to be a thin layer of non-calcareous fossilized tissue. Specimen dimensions: Weight: 36 ounces Lower valve: height 6.75 inches, length 6.75 inches, convexity 1.5 inches Upper valve: height 5.75 inches, length 5.5 inches, flat Thanks for your help.
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