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Showing results for tags 'gastropods'.
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Last week, after checking the weather wunderground numerous times, I decided to drive 3.5 hours from Chicago to St. Paul Stone Quarry. It was the last "open house" day according to the ESCONI website. I arrived at 7:45, the first and only person there. Shortly thereafter, after a brief safety instruction, I followed the manager to the collecting site, heaps and heaps of Waldron shale. Even though I dressed in layers, I still had to take breaks and warm up in the car for a few minutes, but I much rather prefer collecting in cold weather as opposed to hot summer sun with mosquitoes, any day. It didn't take too long to start finding fossils. Here are just a few of my finds: Eospirifer Platystrophia brachiopods with pyrite Platyceras niagarense encrusted with strophomenid, bryozoa and pyrite. front: back: Partial Dalmanitid Trilobite in matrix When prepping, it's really wonderful how the waldron "butter" shale just crumbles apart around the predictable morphology of an enrolled trilobite. The trip just wouldn't seem complete without a short drive east to the Cincinnati Arch roadcuts. I first went to South Gate and found a flexicalymene eroding right out of the cut. It is interesting to see the comparisons here. The trilobite on the left is from St Paul (Silurian) and has beautiful pyritized eyes. The one on the right is from South Gate (Ordovician). Both trilobites have 21 articulated segments; does this make them both the same age as "adults"? Interesting to note the difference in size, being 40 million years apart, same species.. Thanks for looking!
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Hello! I'm back after a long posting absence and I would like to share my recent finds with you (December was a very "fossiliferous" month for me). My new fantastic collecting spot is located near Vila Nova de Ourém. However I can't tell you precisely the age of the layers (even after a very exaustive research).That's why I would like to ask for specific paleobiological/stratigraphic documentation or information about this region. I collected fossils from two layers and I noticed the fauna was quite different, so I suppose they are not the same age. As I don't know their age, I will call them "Layer1" and "Layer2" (wich was stratigraphically above "Layer1"). Layer1 (Jurassic or Cretaceous) In this layer I found lots of oysters, the most abundant fossil. I also found: -Crocodylomorph tooth (???)
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From the album: Tertiary
Glycymeris perilis (Bittersweet Clam) Turritella plebia (gastropods) Miocene Calvert/Choptank Formations Calvert Cliffs/Chesapeake Bay Chesapeake Beach, Maryland-
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- bivalves
- calvert/choptank formation
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From the album: Ordovician Fossils from Tennessee
Various Brachiopods, Gastropods, Bryozoans - Chickamauga Group / Ordovician - from East Tennessee -
This is my first trip report on the forum, an attempt to organize my finds and hopefully get some help with identification. The quarry was located near Rockford, Illinois, Ordovician period. Recepticulites, in the field. Not sure what this impression is. Any ideas? An assortment of brachiopods and gastropods in beautiful bone-white chert. Not sure what this is...sorry for the blurriness, my phone doesn't have the best camera. Gastropod and recepticulites chunk Top and bottom halves of recepticulites. Not sure what these tentacles are... Bryozoans perhaps? Here they are under the microscope. They appear golden only because I naively used a brass brush to clean them (oops!)... a nice effect nonetheless.. Thanks for looking!
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Since my wife is several months into a 6 month deployment to Hawaii with the Army, I opted to catch a bird out that direction to enjoy a long Veterans Day weekend with her. (Side note: It was recently announced that she'll be promoted from Lt. Colonel to Colonel, awaiting congressional vote at this point. Very proud of her!) Anyway, when we weren't hiking, snorkeling, or surfing, some fossil hunting came into play. Most of us don't associate fossils with Hawaii, being young volcanic islands and all, but there is in fact a thin reef limestone intermittently encircling Oahu. If my sources are correct, this gritty tan deposit is Waimanalo Fm, Pleistocene, about 125 KYA. Concentrating on beaches that omitted collecting of rocks and shells from the posted list of "don'ts", I found a few spots rich in gastropods. I'm way outside my element with Pleistocene shells, so in order to avoid commingling my finds with recent shells, I only took specimens that had to be tapped out of bedded strata or loose boulders. I would have preferred crabs and marine vert material, but for the short time I had available, I was happy to come out with anything from an area "not supposed to hold fossils". Now, a few finds.
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Maclurites (gastropods) from the Chazy Limestone,Clinton Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Ordovician
Maclurites (gastropods) Ordovician Chazy Group Chazy, NY. -
Bryozoan Encrusted Gastropod from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Palaeozygopleura hamiltoniae (gastropod encrusted with bryozoan) Middle Devonian Skaneateles Formation Delphi Member Hamilton Group Cole Hill Rd. North Brookfield, NY. -
After checking our trusty fossil hunting forecast app for Friday, Kyle (@addicted2fossils) and myself decided the conditions were sounding way too promising not to give it a shot and go fossil hunting for the day. Unfortunately, the forecast was incorrect as they so often are. Kyle did manage to get one small great white and I snagged a broken one, but the whale skeleton was nowhere to be found. After a few hours of digging through the creek, we decided we needed to come up with a new plan very quickly if we didn't want the day to be a bust. We decided to take a drive to a location I walked a long time ago where I found a lot of well preserved invertebrates and some whale bone in brought in fill material. When we finally arrived at the location, we saw brand new material all over the site and quickly began finding beautifully preserved invertebrates. Now, because this material has been brought in from another location, we're having a hard time figuring out which formation it comes from and we're hoping somebody can help us....also, both of us are better with vertebrate fossils than we are with invertebrates, so we don't have IDs on the vast majority of these fossils...any help would be appreciated in narrowing down identifications and/or at figuring out which formation this may be. The fill material was in Northeast FL. Also, my camera stopped working and I had to use a backup, so these photos are terrible. I can take additional photos of anything if needed. Photo #1: A photo just showing most of my finds from the two hours or so of daylight that we had at this location. Photo #2: Photo #3: Photo #4: Photo #5: Photo #6: Photo #7: This appears to be a sinistral Conus, so maybe Conus adversarius? Photo #8: Photo #9: Another sinistral one that I don't have an ID on....Check out all the micros inside of it. Photo #10: This one seems to be a little less common than most of the others we found. Photo #11: Photo #12: A bunch of Conus that I don't have an ID on. Different species from the large sinistral one. Photo #13: Photo #14: Photo #15: Photo #16: Photo #17: Photo #18: And finally, a couple of the vertebrate fossils found with all of the inverts. Here are some of Kyle's finds: Photo #19: Photo #20: Photo #21: Photo #22: We'd really like to figure out what formation this is, how old it is and all of that. Definitely have to tag @MikeR in this one and see if he can give any insight. Kyle took quite a few in situ photos....Maybe he'll share those in this thread when he drops in. -Cris
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- florida
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Pleurotomarioidea Gastropod from Madison Co., NY
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Glyptotomaria capillaria (gastropod) Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road quarry Lebanon, NY. Though tiny, this is the largest, most detailed specimen I've found so far. -
I traveled to check out the very first outcrop that I collected at a young age. The Nancy Member of the Borden Formation, lower Mississippian in age adjacent to Cave Run lake in Rowan County, KY. These are VERY large outcrops that when I was younger I climbed around like a mountain goat. Now I just look in the float. As typical of other trips I found abundant straight nautiloids (Michelinoceras). A few coiled nautiloids, two nice brachiopods and two nice gastropods including a rare left coiled gastropod (Only the third one I have ever found.)
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It all started with Raggedy Man coming over from Wisconsin to fossil hunt SE Minnesota Bluff Country on Labor Day weekend camping out by the trout stream in my yard. He was after the other parts of the rare trilobite he had found here on his last hunting trip. And he FOUND a large part of it! I will leave it to him to post the picture. :-) The next day Fossilized6s showed up to hunt and we had a blast hitting various sites, I got tired and they went out until dark. I am posting some of the highlights of the trip, the full trip and lots more pictures are here: http://www.bluffcountryfossils.net/blog/labor-day-2016-with-tff-friends/ I had salmon, rebaked potatoes, and garden beans on the grill for them when they got back as Charlie had set up his tent also. The next day PapaDave joined us! R-L: Raggedy Man, PapaDave, and Fossilized6s comparing notes and where to go. After pouring through some of Sloan's book (THE BEST for Minnesota) we decided to head out and hunt some sites off of my new Forestville Fossil Hunting sites map and see the famous Rifle Hill Quarry. All three of these guys were focused on trilobite hunting, so I set them up with the most likely trilobite sites. Rifle Hill Quarry is famous in the fossil literature from the 1800s, so we just had to see that. My thinking is that in the 1800s they were excavating through the shale layers at the top of the quarry which is very fossiliferous, not so much today. We over-viewed a couple of sites and then hit 3 sites, and that is when Charlie came up with a trilobite! "Finding this makes the trip worthwhile!" he said. :-) Then we went to a site where I had found a trilobite last time Raggedy Man was here and had given it to him. PapaDave found this beauty! Old Bev was getting tired by then, so I convinced them to go to the premiere gastropod quarry in Minnesota - my personal favorite. I wish I had some pics of the finds, maybe they will post them in replies, but Raggedy Man came up with a nice big Maclurites sp. (an index fossil for the Ordovician) and PapaDave came up with some beautiful cephs and gastropods. Here are several of PapaDave's finds from that hunt: Cephalopod Continued...
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- bluff country fossils
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Tim (sTamprockcoin) and I went to Deep Springs Road Quarry just west of Hamilton, NY in Madison Co. This was on Monday. I didn't have very high expectations. It was Tim's first time there, but I've been going there foir the past three years, over a dozen times. I've lost count. It is the eastern most exposure of the Windom Shale (Moscow Formation) Middle Devonian Hamilton Group. I especially like it because of the abundant well preserved fossils and biodiversity. Most of my collection of Middle Devonian fossils from Central New York are from there. I've introduced a number of Forum members to the site and I was confident that Tim would love it, but I had doubts I would find much that was noteworthy. My last time there- the planned Forum meet up on May 15th I didn't do so great. Also, I had just gotten back from a spectacular trip to Buffalo and a very productive outing in Morrisville. I figured I was overdue for a letdown. In addition, the weather report wasn't good- predicting showers and thunderstorms. The possibility of getting completely rained out was a possibility. That plus, I was coming from four and a half hours away, an hour more than my usual trip. I figured I'd be tired and not my best. We met at the Dunkin Donuts in Hamilton and Tim followed me out to the site. To my surprise, the couple who were previously camped at the quarry had vacated. That immediately improved the parking situation, but more importantly, it opened up another section of the quarry the Forum members weren't able to explore the last time. That's where I spent my efforts. Within a few minutes I found a tiny goniatite. DSR has produced the largest number of goniatites in my collection. It rained lightly much of the morning but that didn't effect our collecting. In fact the wetness helped me spot the smooth shell of another, larger goniatite that was lying out in the open. Tornoceras uniangulare
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Palaeozygopleura from the Marcellus Shale, Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Palaeozygopleura hamiltoniae (Loxonematoidea gastropod) Middle Devonian Oatkacreek Formation Mottville Sandstone Marcellus Shale Hamilton Group Morrisville, NY.-
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- Devonian
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Gastropod in Pyrite Nodule from Erie Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Palaeozygopleura hamiltoniae (gastropod in pyrite nodule) Middle Devonian Lower Ludlowville Formation Ledyard Shale Hamilton Group Spring Creek Alden, NY. -
I just began a trip to the east coast several days ago. I've been hoping to eventually visit some nearby fossil sites: trilobite ridge in PA and big brook in NJ, but was pleasantly surprised to stumble upon some exciting fossils during a walk through brooklyn bridge park! Almost all the boulders lining the park's walking path were full of fossils. No idea how old they are or what formation they are from so any help would be appreciated. Definitely an interesting experience! Here is a link to all of the photos: https://www.flickr.com/gp/143287221@N05/w23180
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From the album: Grayson Co. Texas finds
Group of Gastropods found on our property. Upper Cretaceous Woodbine formation, Lewisville member -
Loxonematoid Gastropods from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Palaeozygopleura hamiltoniae (loxonematoid gastropods) Middle Devonian Oatkacreek Formation Mottville Member Marcellus Shale Hamilton Group Morrisville, NY. -
Euomphaloidea Gastropods from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Bembexia sulcomarginata (euomphaloidea gastropods) Middle Devonian Oatkacreek Formation Mottville Member Marcellus Shale Hamilton Group Morrisville, NY. -
Bellerophontoid Gastropod from Madison Co., NY
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Retispira leda (Bellerophontoid gastropod) Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road quarry Lebanon, NY. -
Exploring the Devonian Marcellus Shale in Central NY
Jeffrey P posted a topic in Fossil Hunting Trips
Three Mondays in April and May, 4/25, 5/9, and 5/16/16 this writer explored a small privately owned quarry north of Morrisville, NY., Madison County. Exposed was the Mottsville Member of the Oatkacreek Formation which represents the uppermost part of the Marcellus Shale which is the lowermost part of the Hamilton Group (Middle Devonian). A pic of the site showing an area excavated by this writer:
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I live on some property in far north east Grayson county, Texas and runs alongside Iron ore creek. It that has several places on it where we have been finding clams and gastropods. It consists of heavy red clay mostly; with some grey, yellow, orange and a little black clay. Sandstone and Ironstone is very abundant. From what I have been able to find is this property is in the Woodbine formation. These clams have me stumped. Can anyone help me identify some of these beauties?
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From the album: Vaches Noires - april and march 2016
Pleurotomaria sp : a gastropod from callovian clay of "les Vaches Noires" - Normandy - France -
From the album: Vaches Noires - april and march 2016
Pleurotomaria munsteri : a gastropod from callovian clay of "les Vaches Noires" - Normandy - France -
From the album: Vaches Noires - april and march 2016
Pleurotomaria munsteri : a gastropod from callovian clay of "les Vaches Noires" - Normandy - France
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