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Showing results for tags 'Bivalve'.
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From the album: Walnut Formation
Protocardia texana, Travis Co. Albian, Cretaceous Sept, 2022-
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From the album: Grayson/Del Rio Formation
Neithea texana, Denton Co. Cenomanian, Cretaceous Jan, 2023 -
I’ve decided to post this one separately. Very unusual composition. If you watch the video, you’ll see that light refracts off of tiny crystals in the center of each segment (which I’ve circled in red in another image). It’s hardly noticeable. The specimen is very smooth and rounded. Another member said in a different post of mine that it could possibly be an inoceramid hinge, though my own research resulted in nothing. I can’t find anything online that remotely resembles my specimen (inoceramid or otherwise). I found it at Post Oak Creek in Sherman, Texas. FullSizeRender.MOV
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Hey all, I believe I found a fossil. I came across this while rockhounding. I found this in Monroe County, Valmeyer, IL in the USA. I found it in a stream bed, with running water. Chiefly, and this may help, I found many imprints of seashells on rocks. I also found a complete bivalve (I think that is the term for both top and bottom) seashell that had crystallized into quartz. I have pictures at this link, along with a picture that has measurements in 3 forms. I tried to upload to the forum but there was issues doing so. If it matters, the surface feels bumpy and unlike any rock I've ever seen texture wise. I'm fairly certain it's a fossil..it sounds different on the darker areas when I tap on it. Thank you for any help. https://imgur.com/a/S2Fg51T
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This specimen measures about 22.5cm in length and 14cm in width. I found it about 9 months ago on the riverbank along Joshua’s Creek in Oakville, near the tip of the Georgian Bay Formation that meets Lake Ontario. Been really busy the past few months, so haven’t had time to post it until now. Can anyone identify what Fossilized Bivalve species are present on the Rock?
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I have posted examples of this fossil before in ID, but this is a newly found specimen that is more complete, but still missing the same area that all my specimens are missing. Photos of the other examples and the resulting conversations can be found in the previous post in October. This example shows what appears to be hinge teeth, a muscle scar and the general form. The shell in all examples thins dramatically towards the muscle scar and the origin of the growth lines, and the missing features are always just past this point away from the margin side.
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How to reduce visibility of preparation marks on matrix
ToadCultist posted a topic in Fossil Preparation
Bought this lovely green muscle a few days ago and was wondering if there's anything I can do about the white marks left behind in the matrix from preparation. I've been recommended to use a thin layer of paraloid and I just wanted to double check if this is a good idea. If so what percentage would you guys recommend. Thanks in advance!- 15 replies
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- matrix cleanup
- paraloid mix
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I was hoping to get some help identifying these bivalves. They were collected from Pennsylvanian (Desmoinesian) limestones in Illinois. They appear to me to be the same form, but I could be wrong. The shells are fairly featureless. The three specimens range from 0.5cm to 1cm in width.
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- illinois
- pennsylvanian
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From the album: Misha's Middle Devonian Fossils
Cimitaria recurva Middle Devonian Skaneateles Formation Hamilton Group CHR-
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From the album: Misha's Middle Devonian Fossils
Poorly preserved pteriomorph bivalve, not sure what genus Middle Devonian Skaneateles Formation Hamilton Group CHR-
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From the album: Misha's Middle Devonian Fossils
Pseudoaviculopecten sp. Middle Devonian Skaneateles Formation Hamilton Group CHR- 2 comments
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- pteriomorpha
- bivalve
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From the album: Misha's Middle Devonian Fossils
Actinodesma erectum Middle Devonian Skaneateles Formation Hamilton Group CHR-
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From the album: Misha's Middle Devonian Fossils
Cypricardella sp. and Bembexia sulcomarginata Middle Devonian Skaneateles Formation Hamilton Group CHR -
From the album: Misha's Middle Devonian Fossils
Cypricardella tenuistriata Middle Devonian Skaneateles Formation Hamilton Group CHR-
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From the album: Misha's Middle Devonian Fossils
Bivalve Paleoneilo sp.? Middle Devonian Skaneateles Formation Hamilton Group CHR -
From the album: Misha's Middle Devonian Fossils
Goniophora hamiltonensis Middle Devonian Skaneateles Formation Hamilton Group CHR-
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From the album: Misha's Middle Devonian Fossils
Grammysioidea sp. Givetian Moscow Fm. Hamilton Group DSR -
From the album: Misha's Middle Devonian Fossils
Phestia brevirostra Tiny bivalve Givetian Moscow Fm. Hamilton Group. DSR -
From the album: Misha's Middle Devonian Fossils
Pholadella radiata Givetian Moscow Fm. Hamilton Group. DSR -
I’ve been going through the finds from my recent(ish) outing with fellow TFF member @Jeffrey P and remembered that I promised Jeff to post this little bivalve. To my knowledge it’s the first inflated and relatively complete bivalve that he or I have found at one of our favorite hunting spots. Any previously suspected bivalve has been fragmented or deflated and damaged beyond definitive identification. It is from the Glen Dean Limestone formation of the Leitchfeild Kentucky area which is Carboniferous (Mississippian) in age. It’s tiny, but was one of the top finds of the day. Literature is sparse to non-existent on bivalves for this formation and bivalves are not my forte. Any ideas? Please disregard the little bit of shell jammed under the corner in the next two pictures. It’s only there to hold the bivalve at a better angle. The hinge line needs some cleanup to expose it better, but it’s so small and delicate that I am hesitant to do much.
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- bivalve
- carboniferous
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Found this fossil on a sandbar in the Missouri River, near the border of Northeast Nebraska and Southeast South Dakota. ID'd as bivalve, looking for more specific answer. Thanks!
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From the album: Fossildude's Middle Devonian Fossils
Goniaphora hamiltonensis from the Windom Shale Member of the Moscow Formation, Hamilton Group, Middle Devonian (Givetian) Deep Springs Road Quarry, Lebanon, NY.© 2022 T. Jones
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From the album: Texas Cretaceous Fossils : Rudists
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From the album: Texas Cretaceous Fossils : Bivalves - Clams
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- bivalve
- protocardia
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From the album: Texas Cretaceous Fossils : Bivalves - Clams