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Showing results for tags 'ostrea'.
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Malibu Creek Canyon Narrows - Oyster Bed and Shell Fossils - Southern California
ezeemonee posted a topic in Member Collections
Some examples of fossils found in the cliffs and boulders of Malibu Creek Canyon Narrows. Oyster Bed and Moon Snail and Turritella Shell Fossils. The species guess for the Oysters based on research is Ostrea (Pycnodonte) Howelli, but I am not sure. Probably Eocene period fossils. Maybe Miocene. Nice area of Malibu creek in the Santa Monica Mountains but difficult to access.-
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- California
- eocene
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Hello I often explore this freshwater marsh along the Colorado river at the Travis/Bastrop line and find these old oyster shells. They are found in remote area and appear to be natural in place. Although looks of out of place, made me do some research on the local formation (Carrizo Sands) being an ancient delta complex, which modern day marshes and bogs are found. Any idea what these might be? Easter oyster? Thanks
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Hello, I found an oyster layer situated below a terrace overlooking the Colorado river in Travis county, Texas. I became curious about the ID after reading about the ostrea fossils found nearby. May be some more recent eastern oysters left over from others. There were plenty of these oysters embedded in reddish clay. Any help with this appreciated!
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- cretaceous
- ostrea
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From the album: Texas Cretaceous Fossils: Oysters
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- corsicana formation
- cretaceous
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From the album: Texas Cretaceous Fossils: Oysters
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- cretaceous
- fort worth formation
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From the album: Gastropods and Bivalves Worldwide
3cm. Florianer Schichten Middle Miocene From Fuggaberg, Styria, Austria Thanks to Franz Bernhard. -
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.
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From the album: The Mollusca of the Banjaard
A small common oyster specimen, with a nice brown coloration. Fossil oyster shells can be frustratingly difficult to tell apart from modern specimens. Different oyster species can be very hard to recognize, but O. edulis is by far the most common, so it's usually a reasonably safe bet (the other species are rare Pliocene to Eocene species and are very rarely found). Status: still locally alive Fossil occurrence: common© 2019 Max DEREME
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From the album: The Mollusca of the Banjaard
A very small damaged oyster specimen. Fossil oyster shells can be frustratingly difficult to tell apart from modern specimens. Different oyster species can be very hard to recognize, but O. edulis is by far the most common, so it's usually a reasonably safe bet (the other species are rare Pliocene to Eocene species and are very rarely found). Note: this particular specimen is pretty cool, because it's a great example of bioimmuration. Can you see those weird lines on that shell on the left hand side? That's the imprint of another shell species (bivalve or gastropod) which the oyster grew attached to. Status: still locally alive Fossil occurrence: common© 2019 Max DEREME
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From the album: German Gastropods and Bivalves
3cm. Burdigalian Miocene Obere Meeresmolasse Found at Billlafingen near the Lake of Constance-
- billafingen
- miocene
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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
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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.
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- north carolina
- ostrea
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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.
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- cretaceous
- de
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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.
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- cretaceous
- de
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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.
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- c and d canal
- city
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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.
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- c and d canal
- ostrea
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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.
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- bivalve
- c and d canal
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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.
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- bivalve
- cretaceous
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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
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From the album: Fossil in Matchboxes
Ostrea sp ? Labelled as : Ostrea sp , Lower lias , Waddington , Lincolnshire , UK© D&E
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From the album: Fossil in Matchboxes
Ostrea sp ? Labelled as : Ostrea sp , Lower lias , Waddington , Lincolnshire , UK© D&E
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Unknown items found in creek bed in north central louisiana
Tinarollinson posted a topic in Fossil ID
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.- 15 replies