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  1. Guancho

    Brachiopod?

    So I'm having trouble identifying this fossil. It's from the bartonian of northern spain. I'm pretty sure it's some sort of brachiopod but I could be wrong. I don't know if any of you could help me with species category too (although I know it would be difficult considering how badly preserved it is)
  2. CFlorida

    Help Me Identify !

    Found in Florida on Little Gasparilla Island
  3. Doctor Mud

    Vertebra puzzle

    Hi folks, I haven’t posted in a while, but I still visit and enjoy the forum most weeks. Thanks everyone. Just a curiosity. A find at the end of the day that, made me think….that’s a little odd, is that normal? I don’t know enough. but I know where to ask! Here is half of a vertebra. 2 inches across. At this site it can be anywhere from Cretaceous to Pleistocene marine. New Zealand. we’ve found Miocene and Pliocene cetaceans, seals and penguins. Plus cretaceous plesiosaur and Mosasaur vertebra. There is huge variation in the preservation of bone from these ages. This vert fragment doesn’t seem to fit into what I’ve seen from cetaceans or marine reptiles. But that’s just the bones I’ve seen. It has thick dense cortical bone and much more open cancellous bone than I’m used to for cetacean. But wondered since it’s small if it could be an ontogenetic thing. Thicker cortical bone in juveniles. Anyway just a curiosity and an opportunity me to learn something. Thanks
  4. Fossil marine vertebrates (Chondrichthyes, Actinopterygii, Reptilia) from the Upper Cretaceous of Akkermanovka (Orenburg Oblast, Southern Urals, Russia) Jambura et al., 2023 https://www.sciencedirect.com/science/article/pii/S0195667123003075?via%3Dihub Tylosaur (top), Polycotylid (middle), and Plesiosaur indet. teeth from the southern Urals.
  5. EveK

    Arabian Peninsula - Central

    Hi everyone, Please help identify a few fossils, likely marine life - all found in Central part of Saudi Arabia (location has abundant fossilized coral). thank you! Ps. Ruler is in cm #1
  6. Andúril Flame of the West

    Chronicles in the Maastrichtian: Part II

    With the surprisingly warm weather early last week, I could not resist heading out for what is likely to be the last hunt of the season. Although I did not have the greatest luck on my last trip, I decided to hit the new Severn spot once again - and I couldn't be happier that I did! Upon arriving I was greeted by the open expanse of weathered marl, reminiscent of the western badlands despite the bustling city only a few miles away. Chunks of orange ironstone stood out against the dark Severn matrix and abundant Exogyra costata oysters littered the ground. The Exogyra often occur in small clusters, presumably what would have been oyster beds at the bottom of the shallow Cretaceous sea. A couple of poorly preserved Exogyra weathering out of the marl. Although I had collected a nice handful of Exogyra on my adventure at the site, I could not resist slipping another into the rucksack . The single Exogyra costata specimen collected on this trip. Although it is only a partial specimen, the bottom valve had a particularly interesting appearance. I wandered across the weathered slopes, keeping my eye out for my vertebrate quarry. Due to the poorly preserved nature of the fossils found at this site, I had an exceptionally difficult time differentiating fossils from suggestively shaped rocks. After the first hour, I had only collected about one piece that I felt was a fossil. Although the vertebrate remains remained elusive, I chanced upon an unexpected fossil - a nice chunk of lignite. The marl was rather rich in lignite, with carbonized remains of ancient plants appearing rather frequently. However, these tended to be highly fragmentary and would disintegrate at the slightest disturbance. A nice chunk of lignite that popped right out of the matrix. The lignite, indicative of a nearshore environment, hints at the exciting possibility of finding the remains of certain terrestrial Mesozoic reptiles in the Severn marls... After finding the chunk of lignite, the finds slowed once again. The misshapen ironstone concretions were certainly making their best bone impressions! . While investigating a cluster of Exogyra, I happened upon my first vertebrate fossil of the trip. A nice-sized shark tooth of a similar size to that recovered on my last trip. Based on responses to my last post, I am unsure if it would be appropriate to label this tooth as Scapanorhynchus sp. Any insight would be appreciated . Following the discovery of the first shark tooth, my eyes quickly began gravitating to the suddenly abundant fossils that littered the ground. It was not long before I had gathered a small sampling of surface-collected Severn shark teeth. A few more shark teeth found shortly after I happened upon the first. Unfortunately, the teeth are very poorly preserved and some smaller, brittle teeth disintegrated under the slightest pressure. A few of the smaller shark teeth. The poor preservation combined with the weathered condition of these teeth renders them almost unrecognizable. The shark tooth haul of the day. Along with the shark teeth, numerous white bone fragments littered the matrix. Although these initial seemed quite similar to the concretions and pebbles that lay alongside them, I gradually began to develop an eye for bone. Like the shark teeth, the bones were coated in a white, crusty covering and many were extremely fragile from constant weathering. A handful of fish vertebrae and some miscellaneous bone fragments. Some chunkosaurus, possibly from marine turtles or mosasaurs. The largest bone fragment of the day. This is likely too fragmentary to be identified, though I would be curious to see if any members have suggestions. A view from the end of the bone. What I have tentatively identified as a fish jaw section, possibly from a fish similar to Enchodus. Another intriguing bone fragment. After having spent several hours at the site, I was far more successful than I had been on the last trip. With my eyes attuned to the preservation of the fossils, I decided to give the place I had started at another try. I happened upon several bone fragments before my eyes landed on the last thing I expected to see weathering out of the steep slope... ...a large mosasaur vertebra! The processes were missing and it was badly weathered, but it was a season-maker. In my excitement, I forgot to take in-situ pictures, though it seemed to be little more than another concretion before I picked it up. The vertebra is quite busted up from being exposed to the elements, though some consolidation should help preserve it. Owing to its poor preservation, I do not know if an identification would be possible. In case there is a chance of ID, my understanding is that the three main species of mosasaur recognized from the Severn are Halisaurus platyspondylus, Mosasaurus condon, and Mosasaurus maximus. The vertebra seems to bear a resemblance to that of M. maximus, though the condition makes it very difficult to tell. Overcoming the initial excitement of the discovery, I had to wonder how many times I had walked over the vertebra... and what else I may have overlooked. Thanks for stopping by and happy hunting!
  7. I_gotta_rock

    Scaphopod? from Aurora, NC

    Found this in a bag of Miocene-Pliocene micro matrix from Aurora Fossil Museum in North Carolina. I apologize for the less than stellar image, but this object is only 2mm long and my microscope cam is at it's limit here. It is hollow. The larger end is circular. The smaller end is obstructed by what looks like a portion of a missing bit at that end. There are no holes in the basket-weave outer texture, so not bryzoan. The surface is somewhat dirty as I was afraid of losing it if I tried to clean it. I can't find any matches in my Miocene library. I don't have much on Pliocene or later. Might also be foram, mollusk, or worm. None of those have cancellated ornament on that shape shell/test. Does this look familiar to anybody?
  8. Hello out there. I am very new to this collecting. Just a little background and how I started this so late in life. I will keep it short as not to bore anyone. My daughter is turning 30 this month. She is so awesome and I wanted to get her something more personal than some snarge off the shelf. She is a marine biologist and marine engineer. I was looking onto getting her something that would go with her passion. So I started looking into a marine fossil of some type. Being completely new I ended up going down a "rabbit hole". Wow it is complicated. So now the question. What do I get a her for a gift? And how do I not get taken on a price or something that is not real? There is so much out there on the old internet and I am sure as a "noobie" I will get scammed. So here I am looking for information / opinions from the pros. I completely understand I am new here. However, I am a real average "Joe" looking only for direction / information. On a side note, after looking around so much on my own I am now looking to start my own collection. JR
  9. Guancho

    Are these Orthoceras?

    Tried to find a place where you can supposedly find carboniferous/devonian fauna. I'm either really bad at prospecting or the site has been destroyed since the last reports (probably both). I ended up finding these on a couple of rocks that had been moved next to a house so I don't know their age. Orthoceras are cited from this locality, so maybe?? Could be funny-looking rocks too
  10. Two sets of two rocks. Both from the marine eocene of Catalonia, Spain. Probably just some weirdly eroded rocks but just in case...
  11. Andúril Flame of the West

    Chronicles in the Maastrichtian

    It has been quite a while since I have written a trip report and I thought I'd share the results of some of my most recent fossiling adventures. Before diving into the fossils, this past weekend I had the opportunity to enjoy the beautiful fall foliage of the east coast. The Appalachians, usually quite unassuming hills that are nothing near the grandeur of the mountains to the north and west, were quite a sight to behold. The fall foliage was clearly quite popular, as I did not expect the entrance to Shenandoah National Park to be quite as backed up as it was. I made it up to the overlook as the sun was setting, as it is said that the colors are most impressive under the light of the westering sun. Unfortunately, the sun was mostly obscured by clouds, but the views were breathtaking nonetheless. Now, for what I am sure everyone has come here to see: the fossils! Over the past couple of months, I have acquired a renewed interest in the fossils of the Maastrichtian Severn formation of Maryland. As any who are familiar with this formation know, it is quite elusive and its most famous exposures were temporary construction sites in decades past. Several weeks ago, I visited a small creek that I had heard exposed the fossiliferous shell layer of the Severn. Initially, exploration of the creek did not seem promising and I only managed to locate only one poor exposure of the Severn at creek level. After some searching and many shell fragments later, I was rewarded with two relatively complete specimens: Crassatella vadosa Cyprimeria alta Although the yields had not been high, I was quite satisfied with these specimens due to the relative rarity of sites containing original-shell mollusks. A huge thanks to @historianmichael for identifying these specimens and for the preparation tips (unfortunately the shells have begun to crack but I am hoping they may remain salvageable). Inspired by my recent success and hoping for some vertebrate remains, I headed out to a new site. After taking quite a circuitous route through some woods and tall grass I made it to the exposure. The invertebrate fauna at this locality was not incredibly diverse, consisting almost wholly of the oyster Exogyra costata. A handful of Exogyra costata A more complete specimen of Exogyra costata with both valves intact. After encountering these first few Exogyra, I was left with a few hours to devote to searching for vertebrate remains. With my lack of experience with these fossils and their notoriously poor preservation, I only managed to recover a small selection of possible fragments. The entire haul of possible vertebrate remains. If any members have any insight on whether these are identifiable vertebrate remains, it would be greatly appreciated . Below are isolated photographs of some of the more intriguing finds of the day. This fragment bears some resemblance to a partial mosasaur tooth. However, it may be too fragmentary to assign a confident ID. Scapanorhynchus texanus I cannot say what this is, though I am hopeful that it might be bone. I believe that mosasaur and turtle remains can be found at this site. I am very grateful for any opinions. With the weather cooling I do not anticipate that I will be able to get out as often as I would like, but I hope to make a few more forays into the Severn before the year's end. Thanks for taking a look and happy hunting!
  12. Hi, found this beauty on the coast of Newcastle NSW Australia. I believe it's likely a fish tooth plate, or maybe a crab? Any help would be appreciated, thank you!
  13. CrankyPongine

    Fossil Dugong Or Whale Bone?

    Hello! Recently I was going through old fossils I had from Caspersan Beach and/or Venice Beach FL, when I came across an interesting fossil. I’m not sure whether it’s a dugong bone fragment or a whalebone fragment, so I figured I’d post it here to find out what it is. It’s about 1.5 x 1.5 inches on each side, and fairly thin. I’ve seen things about dugong ribs being found there, although this seems kinda thin and flat to be a rib, so I was curious to know if it could be figured out what part of the skeleton it came from? Thank you!
  14. Caroline Clausen

    Donated Fossils - Need Help IDing

    I work at a college in Southern California. We've had a lot of donations recently to our science department and some of those donations include fossils. I was able to identify some of them, but there are a few that I am having some trouble with. Some of the other fossils that we received are: Sand dollars, clams, oysters, worm hole casts, a sea cow tooth, a shark tooth, crinoids, brachiopods, scallops, gastropods, and bryozoans. Very few of these fossils included where they were found. The two labels we received said that the sea cow/shark tooth were found in California, as well as some of the sand dollars. Aside from that, I do not know where the fossils were found or what rock layers they were found in. Below are pictures and descriptions of the seven fossils. The above pictures I believe are teeth. In the research that I have done, I think they might be crocodile or alligator teeth. The one on the left is slightly curved, but the one on the right is more straight. Both have four "layers"; a thin outer layer, a second (also thin) layer, a thicker third layer, and then a fourth layer that fills the middle. The surface is bumpy rather than smooth, which is unexpected in regards to teeth. The base (~1cm) is wider than the top (L: ~.5cm, R: ~1cm). Both are about ~2.5cm from base to top. The fossil on the left has a broken tip so it might be longer and more curved than it appears and the base is also broken on a diagonal. I have no real idea what to make of this fossil, but I am thinking that it might be a plant fossil. The top is ~1.5cm in width and the bottom is ~2mm in width. From top to bottom, the fossil is ~3cm. There is a ridge on both of the horizontal "limbs" as well as a half cm ridge starting at the slight dip at the top. What is visible of this fossil appears to be circular and ringed with smaller, inner rings and outer, larger rings. The diameter is ~1.5cm. A few of the other fossils that were donated were crinoids, so I was thinking this might be in the same realm as that, but it is so much larger than all of the crinoids that we were given. I am thinking that these might be clams because we were given an abundance of clams, but I am not certain. The one on the right has small, white crystals (possibly quartz) on the bottom of it. I tried to get a picture of the crystals, but they were far too small. I understand that this is super vague and might not be a lot to go on, but any help would be appreciated!
  15. Michael Marinelli

    Agatized oyster? Near Tampa FL

    Hi everyone, Recently found this oyster shell specimen from an area near Tampa FL amongst dredged limestone where I’ve found agatized coral. 99% sure it’s fossilized (has a very small amount of limestone stuck to the bottom), but something interesting is that there appears to be botryoidal agate coating it. Is this an agatized oyster? Is this a common find around tampa? And can I bleach it to remove algae?
  16. Hi everyone. I was up in northwest Pennsylvania a few days ago seeing some friends and found this wild thing on their property. It's not my usual hunting grounds and I wasn't particularly looking for fossils at the time, so I never bothered to do research on the area. What I can tell you is that it was found in northern Crawford County, PA, which I believe is Devonian (but may also be Mississippian). Nearby were some brachiopods in sandstone. If extra pictures are needed, just let me know. Please help!
  17. Lucid_Bot

    Pennsylvanian Tooth-Shaped Fossils

    Hello! I think I've just about tapped out most of my local hunting spots. Yet a week ago I found a couple fossils that look like teeth. Please let me know what you think. They are 1.5 cm wide by 1 cm long, Pennsylvanian (Carboniferous), Glenshaw Formation and from Allegheny County, Pennsylvania.
  18. Found this recently when grubbing around my San Diego Formation (Pliocene) riverbed that is full of marine fossils. Most bones I have found are from baleen whales, or 'other' marine mammals. This bone fossil seems somewhat different than other whale (or other cetacean?) bones I have found. It is smaller.. which doesn't mean much, but the ratio of inner to outer cortex maybe also seems different. I do not know exactly what distinguishing qualities are that would allow one to differentiate from something like a bird, or dolphin. I previously found a manatee rib, but was only sure of this because a curator at the Nat helped ID that. Two images are of the embedded bone, the next two are of a presumably baleen whale bone that was also found that day.
  19. San Diego formation, Pliocene marine fossils. Fairly commonly find invertebrate burrow fossils (polychaete worms? not sure) I typically don't collect them since they are so abundant, but I thought this was maybe a large one? Also a nice marine mammal bone (probably baleen whale).
  20. Hello, This is probably not the right forum but I am not sure where to ask. I have found these shells in northern Italy. I don't know if they are fossils because they look modern, color wise and everything. But there is something strange, it's not just the outer shells, the inside of them are also filled. I don't know if it will be clear in photos, but it almost looks like their meat to me. I thought meat can't be preserved? It is rock hard and they also feel like rocks and I believe there is also a little bit of matrix involved. Is this some preservation thing that I am not aware about? They are still somewhat purple, like the modern ones I see everywhere here. Any explanation and further info is helpful as I know people on this forum are very knowledgeable! And I really hope my amateur posts are not too annoying! Thank you.
  21. I found these two rocks in northern Italy. One seems to me like a coral? But I might be wrong. Please let me know what this is if you know! And the last one is a rock with a black spot on it. I have seen this shape on the bottom of a piece I bought with a lot of ammonite imprints and fragments, so I wanted to see if it is something or if it's just a geological pattern. thank you!
  22. Davon_b

    Fossil ID from marine deposit

    Hello everyone! New to fossil collecting and I have a piece I'm trying to identify. It is roughly 3 inches in length. I found it in gravel from a former marl pit from Aurora, a coastal town in North Carolina know for it's marine fossils. I think it may be wood since there seems to be a bark like texture to the sides though. Please feel free to ask questions or for more pictures!
  23. I found this odd and extremely symmetrical fossil washed up on the northern SC shore. I can best describe it as a rhombohedron (kite shaped, but extended out), about 1.5x1x1cm. It has a straight cut from the top to bottom face, as if it is a nasal structure, but I have no idea. Also the bottom side has 2 circular divots. Any ideas?
  24. BuchaBabe

    What kind of marine animal is this?

    Hello! I found this amazing fossil on my mom’s property in Pueblo, Colorado. I’ve tried to do some extensive research online to see what type of vertebrae animal/marine life this is. Could you please help identify? thank you so much!
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