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Showing results for tags 'Gastropods'.
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From the album: Texas Cretaceous Fossils : Gastropods
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Imagine working for a year in a small college science department and there was a room you vaguely knew was there but didn’t have the keys to and never saw anyone going in or out. Then one day, campus grounds workers open the door, and you inquire what is going on. You discover it is an old earth science storage room (earth science hadn’t been taught there in many years) and everything is to be discarded the next day into the dumpster to make room for some new purpose. It’s a room about 15 feet by 20feet packed with boxes on shelves filling the space up to the ceiling. It is a dusty disordered mess. You don’t have the authority to put off the clean out. What would you do? Exactly, cancel all plans and stay up all night sorting out the room and triaging the best stuff. So that’s what I did. Not heroic like running into a burning building to save children, but someone had to do it. Even with several trips I could only take a small percentage of the material but most of the fossils. Most were labeled, some had numbers on them but there was no accompanying key, and many had no identification at all. Perhaps 2% of the material was fossils, and it was scattered throughout the room, like some sinister easter egg hunt with every minute ticking down until the morning workers showed up. Here then, are some of the unlabeled and unidentified fossils I recovered. Some are obvious, others less so. I thought TFF members might have some fun with this. # 1
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Gastropod Internal Molds from the Vincentown Formation
Jeffrey P posted a gallery image in Member Collections
From the album: Tertiary
Gastropod Internal Molds (largest 3/4 inch) Paleocene Vincentown Formation Rancocas Creek Vincentown, N.J.-
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This little rock is from Eagle Ford, since it was cracked I broke it open to be surprised by all the fossils in it and that I saw shiny things with color. Definitely not what I'm used to seeing! I assuming most of these have original shell, there are gastropods that are different colors, and also bivalves with different color, different sub order? Several heteromorph ammonites I think, and some kind of worm. Curious what the shiny multicolored area is, a couple unknowns, dendrite I think, and last one I'm not sure about, scaphite maybe? Appreciate any help!
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From the album: Lime Creek Devonian Rockford Iowa
Floydia gigantea. Much more common than Westerna gigantea. Whorls greatly enlarges in size and tend to be more oval shaped and flattened. Strongly resembles some modern top shells. There's a few other giant gastropods but I still need to check more in the near future. I was surprised seeing this good sized well preserved specimen in the middle sitting out in the open. -
From the album: Lime Creek Devonian Rockford Iowa
Bensbergia pulchra Rare - only had found two so far. Very distinct whorls, more like some modern gastropods like tulip snails. -
From the album: Middle Devonian
Orthonychia conicum Platyceratoid Gastropod (One and a half inches across) Middle Devonian Onondaga Formation Cobleskill Stone Products Quarry Cobleskill, N.Y.-
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Last summer I became interested in collecting mollusks from the Chicago area rather by accident. I happened to find some shells in a dug up wastepile. I contacted the Prairie Research Institute and it turned out a geologist there was interested in C14 dating them for a surficial geologic mapping project he was working on. I then became obsessed with finding more from different points around the city. I was able to find 5 other localities and these samples were also donated. These are are freshwater aquatic mollusks from the Tolleston shoreline of ancestral Lake Michigan. Overall it was fascinating to compare the "Ice Age" mollusks with modern shells on the beach, the effect of invasive species and contributing to science. Radiocarbon data from one sample. After calibration: 4700, 6200BP
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Western PA Specimen Collection - Fossils of Parks Township
cngodles posted a topic in Member Collections
Hopefully I'm not breaking any rules here posting a link. I spent my weekend finally putting my catalog into a proper database, and creating a user interface for it. I used to use Google Sheets, which is pretty great. If I wanted to, I could use them as the source of data, but I decided to create a proper MYSQL database so I can keep relationships across tables, such as the stratigraphy of particular find locations. I have many more improvements coming for it, but it is at least functional right now. Everything from CG-0001 to CG-0161 is from the Glenshaw Formation, Conemaugh Group. https://fossil.15656.com/catalog/ I also maintain a thread with individual photos here, just not everything: https://www.thefossilforum.com/index.php?/topic/94495-pennsylvanian-fossils-from-the-glenshaw-formation/- 6 replies
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From the album: Middle Devonian
Ptomatis patulus Bellerophontoid Gastropod (1 and 3/4 inches across) Middle Devonian Moscow Formation Windom Shale Hamilton Group Deep Springs Road Quarry Earlville, N.Y. A generous gift from Al Tahan. Thanks again Al.-
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Hello, I have been going through some fossils that I bought a while back. I came across this agatized snail from Morocco. I’ve tried to find more information on these agatized snails, but have been unable to find much. Some sellers online say that they come from Assa, Morocco, while others say they come from the Dakhla region. I’m also wondering what species this little guy belongs to, and a more precise age for these gastropods, although I’m pretty sure they are Eocene. Does anyone have any information regarding these agatized snails?
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Texas Day Tripping - Ammonites, Echinoids, Fish Verts and more!
JamieLynn posted a topic in Fossil Hunting Trips
Texas Springtime is my favorite - we haven't had much rain, but the weather is....typical Texas. 60 one day and 90 the next. But I find my tolerance for random temperatures is way better when I am out fossil hunting! So here are some finds from recent excursions. Plus a few shots along the way..... Some local Longhorns. As I head out of my neighborhood, these critters are sometimes out enjoying the Texas sunshine The fossiling started with a nice trip out with Erich Rose to a Glen Rose spot - first thing I spot is something i've never found in our Central Texas formations....a vertebra! So exciting!! Turns out it's a large fish -Ichthyodectes. Size 3/4 inch Also found a lovely big gastropod that Erich ID'd as a Caliopea - I was happy to find a new gastro! Size 3 inches Plus something really special - Erich have me a starfish ossicle he found. ( I guess he already had enough to make a starfish? I'm really going to need some more) Size 1/8 inch A week or so later, I hit up a few local Walnut Formation areas, hoping to find a Dumblea echinoid. It is eluding me. No luck, but I did find a REALLY nice Engonoceras stollyi just sitting at the bottom of an embankment.. waiting for me to find it! Mother Natures Gift.... All cleaned up: Also found this really beautifully preserved Bivalve Inoperna concentricecostellata Size 2.5 inches At another Walnut spot I had some good luck finding Leptosalenia mexicanas Biggest one is 3/8 inch Back at home, the Redbud was blooming: and the butterflies were landing in the purple verbena Next excursion was out to my favorite Glen Rose location where I picked up some matrix to look at under the microscope. I took my mom with me and she had a good time finding little crab claws and tiny crinoids. I found a variety of Crinoid Isocrinus anulatus - I am always surprised at the variety of shapes and designs! Size 1/8 - 1/4 inch Plus some really nice tiny tiny crab claws Went to another Glen Rose spot and found this big ole Jackrabbit wondering why I was crawling around on the ground: To find the Fossils, silly rabbit! Heteraster texanus size 1 inch Gastropod Nerita bonnellensis Size 1/2 inch Loriolia rosana Size 1/2 inch Another day was back out to another couple of Walnut Formation locations Found a nice, if not complete, Protoengonoceras gabbi Size 2 inches (And a special thanks to @erose for the egonocerid paper so I can properly ID these ammos! Turned out a couple I had just labeled as Engonoceras, were actually Metagonoceras and a Platiknemiceras! Also found this cool, unknown Gastropod (possibly a Natica, but none I could discern that fit the species) Size 3/4 inch And a really nice (both sides preserved) Bivalve Ludbrookia arivichensis Size 1 inch The family took a trip to Enchanted Rock State Park - no fossils here!! Solid Pink Granite batholith. See those tiny people at the top? The rock is huge! And yes, I made it up to the top, but I certainly found out how out of shape this Pandemic has made me!! To prove I made it: Yesterdays hunt was back out to the Glen Rose, to a spot I had found a couple of interesting echinoids (before I really knew what I was looking for!) so I went back to see if I could find anything else...but literally ALL I found were more of these Plagiochasma echinoids! And a clam. So I don't know if it was a little nest, or what, but 7 in total, none in great condition, but they are really beautiful (and rare) echinoids. Plagiochasma texanum Size 1/2 inch And finally, another unknown Gastropod Size 1/2 inch I Hope all of y'all are enjoying spring (if it has sprung in your area) or are at least looking forward to it!
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This chunk of rock and several others were in the local creek next to the railroad track. It appears these rocks were brought in for railroad erosion control next to the small creek runs parallels to the railroad track. Also darker in color than surrounding chalk limestones, and full of gastropods normally not found in this area. Are these Cretaceous gastropods?
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On a recent trip to the Wutach Valley I discovered a pile of fossils on a slope by the side of the road which had obviously been disposed by somebody who didn't want them any more. Among other things was a small piece of matrix chock-a-block full of various gastropod species. They all look somehow familiar to me, but I can't for the life of me figure out where they are from, what stratigraphical formation they belong to or what their names are. Does any one have any suggestions?
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found in Lebanon Not found in any specific formation but, according to the geo map i have, the rocks are late Cretaceous(albian-vraconian) lots of gastropods, bivalves and brachiopods around. i want to say its some sort of ammonite, but as far as known fossils here ammonites arent some of them. the ridges on it seem to be connected to each other like a puzzle would be (image 3). also the fossil tapers(image 1). this is all the information i have. Note: To my knowledge no Ammonites have been recorded in Lebanon Thanks for your help guys!
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Fossil Forum, I have recently uncovered the external mold of a gastropod. I am thinking that it is Platyschisma helicites, but am unsure. The main problem is that I am unaware of the formation it is from. I found it right next to an outcrop of the Leighton Formation, but the fauna and the matrix does not match it. It might be from the Edmunds Formation, but I am unsure of this too. Either way, they are both Silurian. Any help on its ID would be appreciated. Here are some pictures of it:
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There is so much going on on this rock not sure I captured it all. Found in park east of DFW airport, North Texas Eagle Ford. Most interesting is the long object running down center of rock, almost the whole length. Have not been able to find anything similar. Not sure what else is there other than snails, ammonite, bacculites, maybe worms and tiny turritella looking gastropod? Appreciate any ID !
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Despite the shortest and most mild winter I've experienced in North Dakota (getting out this early is rare) it still feels like it has been an eternity since I got out. Thankfully I finally got a hold of enough landowners to warrant a trip to the Fox Hills Formation and celebrate the spring weather. While most of the later sites I visited were a bust the first site of the morning was excellent and contained fauna not often found in the Fox Hills Formation in North Dakota. 3 new species for me in fact. This site represents a brackish transition area of the top of the Fox Hills Formation. A view from the collecting hills. Note the water bodies are still frozen. Some farmers were burning stubble in the distance. One of the more significant exposures. Compared to the other 2 outcrops on the hills this one was poorly fossiliferous. Anomia micronema and Crassostrea subtrigonalis (glabra) litter the surface of the worn outcrops. The bedrock was basically an oyster bed hash of graywacke sandstone. This oyster laden sandstone isn't unusual but you usually don't find the additional fauna (see below). In-situ Crassostrea in one of the unworn exposures. Some of the nicest specimens. Moving clockwise from upper right is Pachymelania wyomingensis, Pachymelania insculpta, Corbicula cytheriformis, Crassostrea subtrigonalis, and Anomia micronema. Pardon the bad picture and for our international friends the coin is about 1.9 cm. I took this picture for the landowner since he was interested and I included a scale he'd know. I was also too tired to retake it with my metric scales. I plan to take better ones later. Nice sculpture to the Anomia. Most were not so iron colored. There are some additional things in pieces of the sandstone I brought back. I have an idea what this is but want to prep it to see for sure. This is larger, about 5 cm across. On the way back to the main roads I found a farmer in the middle of nowhere with a sense of humor. I also collected a couple smaller concretions of the more typical ammonite Fox Hills concretions from another site. I'm not expecting much based on their size but if there is anything interesting post preparation I'll post those as well.
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Having returned last week from a nice visit with my son in Florida, it was time to examine the fossils that I snuck home with. Eventually, I will make a trip report, but I need to identifying my unknowns first. So Here goes, and I might as well tag @MikeR right off the bat! The next unknown appears to be sponge like. In fact the largest one ACTUALLY FLOATS in water. So these are very light weight. I couldn't find sponges in the Tamiami, so maybe my formation is incorrect. The rubble that these came from contained much coral and large scallops. The next three are all on the same picture. The wind was howling and I had issues with these blowing away. So inbetween gusts, I took a quick group picture. These are TINY! These scallops have 17 to18 ribs I am guessing these are modern land snails but am not sure. The shell is VERY delicate. i Thanks for looking, Mike
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Fossil forum, Good morning. I have been looking for literature on the following for a while now, and have not been successful. I was wondering if anyone already had information on the following, or can direct me to a place where I can look for it myself. Brachiopods, specifically Lingulids (classification and identification) Salopina genus ( classification and identification), this genus was moved from Orthis, for further clarification Rhychonellida (classification and identification, at least to the genus level). Camarotoechia genus (classification and identification); Strophomena genus (classification and identification); Gastropods, specifically Platyceras (classification and identification) Bivalves, specifically Modiolopsis and related genera (classification and identification) Ptychopteria genus (also known as Actinopteria). I am also interested in the fauna of fossil formations in northeastern Maine, specifically the Edmunds, Eastport, and Leighton formations. Thanks in advance!
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Short Icy Miocene Trip around St. Josef, Styria, Austria
FranzBernhard posted a topic in Fossil Hunting Trips
Icy? Well, compared to some areas in the US or Moscow, it had only a few degrees below zero (Celsius) last Sunday. The nights had about -10°C, the days about -2°C. This period lastet from last Friday to Monday. No snow at all and very, very dry air. The last two days we had about 0°C during the night and +10°C maximum during the day. Still very dry. So without any snow and clear, but "cold" weather, I checked out a few Miocene sites around St. Josef in western Styria, Austria. I have made a detailed report about the area more then a year ago here: Rocks and fossils were mostly firmly frozen to the ground, and in some places more than 10 cm long fibrous ice was growing from the ground, pushing up leaves, soil and in some places fossils. Sites looked mostly the same as during my last visit, except Höllerkogel-10. Here at Höllerkogel-10, the farmer had removed a little bit of material from the bank of the forestry road. The sites contains mainly Granulolabium snails, but also a variety of other molluscs (see topic above). A little bit surprising last Sunday were an echinoid mold and a leaf impression, both ready to be picked (see pics, fossils as found frozen to the ground ). Echinoids are known from this site, but I have not seen myself such a "big" leaf in this formation until know. First I thought that this leaf is a recent leaf, sticking to the rock. But it isn´t, its a fossil. The echinoids occur as molds in the upper part of the outcrop; the lower part contains quite well preserved shell fossils (gastropods and bivalves). Nearly everything was frozen to the ground, of course, and large blocks of fossiliferous sediment were frozen hard like concrete. Maybe I will visit the site again in the near future to pick through some of the fresh debris. The large blocks have probably disintegrated then. That´s all, thanks for looking! Franz Bernhard
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Greetings! I've been collecting marine fossils ever since I could remember. However, only recently have I started reading and researching about these fossils. I started researching for the correct rocks to break open in hope of finding new fossils (ammonites, fish fossils, etc..) instead of my usual findings (gastropods, clams, rarely urchins). I took some advice from you guys and began looking for a good book that might help on which rocks to look for (keepings in mind Lebanon is mostly early-middle cretaceous and Jurassic) I've used this map to find my way to Jurassic areas. a few days ago, I reached a Jurassic area and began my search for any fossils. Alas, my journey was not as easy and rewarding as I thought it would be. Thus, I came to the conclusion that I was not ready to start my search without some tutoring and learning. We're snowed in this week, I will use that time to begin my study. Meanwhile, please have a look at some specimens from my collection. I'm aware that my collection is considered common (VERY common, especially after seeing the amazing fossils on this forum! Haha!); however, I have no idea how old they are, if they're all early-middle cretaceous, or what they're called. Here are some of my specimens, gastropods and bivalves. the black looking clam to the right, was found in my recent journey to a Jurassic area. I broke open a yellow-brownish rock and to my surprise it had numerous fossils. I'm under the impression that the black color is the actual shell, in contrast to the other fossils in the picture which lack a shell (i think). In other news, i have a shell that i can't seem to identify. It looks like the upper half of some sort of clam (please excuse my simplified vocabulary i don't know what else to call it). its immensely layered and on the bottom side, it looks what appears to be the solidified insides of the creature (not sure!) Finally, i would like to know if this is an ammonite, its much different from the ones i see in pictures while surfing the net on how to find them. Thank you for this amazing community, I'm delighted to see people with such skill and dedication. I have much more content to post and learn about! Thank you. Regards, Karam
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Dear collectors! I'm curious If someone interesting for my collection of Mollusc, mainly gastropods and bivalves from tertiary of Europe. I have more than 1000 specimens! I'm open-minded and accept all offers! I am interested in quality fossils and NOT quantity!
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Hi all, Last part of my finds of the year. In autumn, between lockdown 1 & and lockdown 2, we managed another 3 days hunts. First day was spent in our usual trilobites spot, which happened to be on the way to our main destination this time. You have already seen in my first part some of the trilos we did find on that day, which was a rather good one for me. Day two was spent in Nanteuil quarry not far from Niort. the quarry got mostly bajocian and aalenian. the aalenian is on the "ground of the quarry" and was mostly drown at that time of year. So Bajocian that was. An explosion had occured recently so we had quite some material to process. Most of the ammos there have no heart, which is quite frustrating, but from time to time, you can fine a pretty one. 2 finds on that day : Normannites sp ammonite A huge not yet determined nautiloid (not the usual cenoceras we find there) We kept going till 18h30 then it was time for a shower at the hotel and a meal at the restaurant. -
Hi Everyone. I found this gastropod at Whiskey Bridge, near Bryan, Texas two years ago which so far I've been unable to identify. Whiskey Bridge is a marine Eocene site, Crockett Formation, Stone City Member. The specimen is between a half and three quarters of an inch. Thanks. Any ideas would be appreciated.
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