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Showing results for tags 'gastropod'.
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
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From the album: Texas Cretaceous Fossils : Gastropods
- 6 comments
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From the album: Texas Cretaceous Fossils : Gastropods
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Several gastropods from Galena Formation near Decorah Iowa
tombk posted a topic in Fossil Hunting Trips
I was recently near Decorah, which is in northern Iowa and near the border with Minnesota. The predominant bedrock there is the Galena Formation. It is chiefly limestone with some interbedded shale. I was there only one full day and had other things to do (other than look for fossils, that is, if you can believe it). I did visit one road-cut along highway 52. I am not geologically informed enough to know what member of the formation was exposed at the road cut, so the closest I can get to dating it is to say that it’s upper Ordovician. The road cut was not a place I’ll visit again. Few fossils. But I did come across a few gastropods that I want to show here. And I have one question in the middle about clockwise vs counterclockwise growth in gastropods. I think 3 are Liospira species: Another looks similar but spirals from the umbilicus outward in a clockwise direction out from the rock (that is, toward the viewer looking at the rock) rather than into the rock as the others do. Any thoughts on this reversal of direction? Can it occur in the same genera or species? A possible Sublulites species: And an internal cast of a Hormotoma species (the first cast of such I’ve found where the whorls don’t touch each other). thanks for reading my mini-adventure, Tom- 8 replies
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- gastropod
- galena formation
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A number of years ago I was working in Jordan and not far outside Petra we stopped for a coffee by a little roadside stall. Not far away I noticed a kid selling various rocks on an upturned cardboard box. He looked dirt poor so to help him out I bought a number of different shapes and sizes just so he could make a sale. It wasn't until later on I noticed one of the rocks had what looks to be small Gastropods in the rock. Can anyone confirm these are Turritella? Thanks Paul
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I hunted for the second day in a row yesterday. This was a creek in the middle of Dallas-Fort Worth. I'd wanted to make a trip to this creek for a while, plus had some errands in the city, so made the drive for both yesterday. After the long and arduous hike the day before, this was supposed to be short and easy. I was seriously mistaken about that. The creek banks were just too steep to get into the creek. I ended up walking quite a ways, and even then, went down a bank so steep that I tied a rope and left it to get myself back up the bank. I was thinking that if rain got anywhere near me, I'd better clear out quick, or I'd never make it back up that bank. This is an Eagle Ford creek. It was a really great looking outcrop in this creek, but I couldn't get it to yield much. And the shower the night before had the gravel bars wet enough that they were tough hunting too. But I did bring home a few pieces. This ammonite was trying to crumble.
- 11 replies
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- 2
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- eagle ford
- texas
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I can't seem to find a match for these gastropods, closest I've seen is Cerithium Turriculatum. I hesitate to say they are Cretaceous since I find things in this creek that aren't, this part of creek is QAL, Qt, and Eagle Ford with a little Permian mixed in. There is a pyritized fossil and also something round that I first thought bivalve or different gastropod but it seems too round. Thanks for looking!
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A couple of weeks ago now I stumped upon several outcrops of the Early Pleistocene Waccamaw Formation in South Carolina. I have been able to identify the various mollusk that I found except for these last three gastropods. Either the resources I have found don't include an example that matches these specimens or it was just too close of a call. I would love to get some opinions on what these might be. Any help would be greatly appreciated. Thank you so much! #1- Petaloconchus sculpturatus? #2- Ilynassa sexdentata? #3- Phrontis sp.?
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From the album: Late Jurassic gastropods of European Russia
Moscow Oblast, Peski quarry, Middle Oxfordian. Uncommon-
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- peski
- maturifusus
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From the album: Late Jurassic gastropods of European Russia
Moscow Oblast, Peski quarry, Middle Oxfordian. Uncommon -
From the album: Late Jurassic gastropods of European Russia
Moscow, Fili Park, Upper Volgian, nikitini zone. Numerous -
From the album: Late Jurassic gastropods of European Russia
Moscow, Fili Park, Upper Volgian, nikitini zone. Rare -
From the album: Late Jurassic gastropods of European Russia
Moscow, Fili Park, Upper Volgian, nikitini zone. Uncommon-
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- bathrotomaria
- volgian
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From the album: Late Jurassic gastropods of European Russia
Moscow, Fili Park, Upper Volgian, subditus zone. Rarely preserved