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Recently acquired this rare 185mm nuchal bone from Dunkleosteus Terrelli, just thought to share it since there are very few Dunkleosteus material on the commercial market! Attached pictures below just to see the size of this since on most fish it's the size of your thumbnail! Devonian Cleveland Shale Cleveland, Ohio USA 185mm (7.2 inches) nuchal bone
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Dunkleosteus terrelli Devonian Cleveland Shale Cleveland Ohio, USA I've attached some pictures of where the nuchal bone is located on Dunkleosteus and what it looks like, also included two articles that are interesting reads! Fusion in the vertebral column of the pachyosteomorph arthrodire Dunkleosteus terrelli (‘Placodermi’) - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/Dunkleosteus-terrelli-CMNH-50322-from-Late-Devonian-Famennian-Cleveland-Shale-of_fig1_332926169 [accessed 23 Jan, 2023] A large Late Devonian arthrodire (Vertebrata, Placodermi) from Poland - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/Fragments-of-the-head-shield-of-Dunkleosteus-sp-A-specimen-Muz-PGI-NRI-1809II18_fig6_322500622 [accessed 23 Jan, 2023]
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From the album: Jurassic fossils from the Newark Supergroup
Redfieldius gracillis Partial Holostean Fish Early Jurassic Shuttle Meadow Formation Newark Supergroup Durham, CT. A gift from Fossildude19. Thanks Tim-
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From the album: Jurassic fossils from the Newark Supergroup
Redfieldius gracillis Partial Holostean Fish Early Jurassic Shuttle Meadow Formation Newark Supergroup Durham, CT. A gift from Fossildude19. Thanks Tim-
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We just got back from the Denver show, and while we were there we picked up this really nice fish fossil plate from Lebanon. What makes it special is that one of the 3 fish is supposedly a Dogfish. Unfortunately, we didn't get much other information from the dealer, so I'm hoping someone here can help us out with a few questions: 1. Any idea what species this dogfish is, and is this technically a shark or is it a relative of a shark? 2. Any idea what the age would be? Thanks! -Brian
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Is there anything odd about this Saurichthys?
quam_fossilium posted a topic in Is It Real? How to Recognize Fossil Fabrications
Is this correctly identified as a Saurichthys? Does it at all seem augmented/modified? Anyone have an idea of the typical value of a fossil like this (without using the sold price as a reference)? -
Late last year I received some micro matrix from @Notidanodon that he collected from the Isle of Wright (UK) out of the Greensand Fm. near Yaverland. This material is Lower Cretaceous, Albian aged. I have picked through much of it and have some questions on what I have found. I am not well versed in the fauna from this area and some internet searching has led me to some suggestions, but I'm hoping Will or some of our more experienced collectors from this area such as @Welsh Wizard, @Yoda, @Bobby Rico, and any others that I cant think of off the top of my head, can set me straight. #1. One of the more common (relative term) items I found were these small teeth that belong to some Chondrichthyian, but I am not sure which one. My first guess, based on what little bit I'm familiar with, was some sort of Sclerorhynchidae but I had some doubts due to a total absence of a root on these, then I saw some Hybodontidae (Lonchidion/Lissodus) were found in this formation and some looked similar but not exactly the same, and then otheers reminded me of some Rajiformes with the small lingual face that you can see on some of them. So here I am. They were relatively common so I'm sure someone will recognize them right off, even if the pictures are not ideal. These are about 2-4 mm at their widest. There could be several different types in here, so if you can just get me started with a genus or group, or want close-ups of a particular one, just let me know. #2. Next up are a bunch of shark teeth partials, most are probably too worn or fragmentary to ID, so that's OK. I just wanted to show what else was in the sample. Again, total width of the container is 2cm, so these are all less than 4mm. #3. I believe these to be a fish scale and found many references to Lepidotes, now known as Sheenstia, from this section and they look somewhat similar, so I just would like to confirm that. The largest one has a max. dimension of just under 5mm. #4. These are some other small teeth that may of may not be identifiable. 2-3mm #5. Next up is a small jaw fragment. I know it needs cleaned up some more, but it is somewhat fragile and I didn't want to poke at it too much just yet. Is this fish, something else, or impossible to say? Length is about 4mm. #6. And finally, some fish vertebrae. Again, no ID requested, just wanted to show what else was in the mix. I know reptiles and amphibians are found in this formation, I'm not sure I'm qualified to try and separate those out, especially since may of these are highly phosphatized (is that a word?). Thanks for looking and for any advice that can be offered. And thanks again to Will, for the interesting matrix. Mike
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Location: Missouri Period: Pennsylvanian Formation: Iola Formation (Raytown Limestone Member?) Hello once again. I happened to have come across a Cladodont tooth of some kind but I am unsure of what it exactly belongs too. I am stuck between Glikmanius or Saviodus. I'm thinking its the later due to how straight the tooth seems, but I am not sure how to truly tell the two apart. I notice this specimen is oddly white compared to the black teeth I'm used to.
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Eagle Ford Shale with Teeth from Central Texas
Jackito posted a topic in Member-to-Member Fossil Trades
I have some extra shale pieces I'd like to trade. The shale is from Central Texas, and is cenomanian/turonian. Pliosaur, plesiasaur, mosasaur, and coniasaur is possible but really rare. The most common teeth are shark and fish and assorted bits. I've seen very few invertebrate material. Mainly shell and shell hash. The piece I have for trade has a two nice teeth showing on top, two ptychodus on the sides, a fish vertebra, and some fish teeth showing. There might be a couple more shark teeth and lots of smaller fish teeth inside the rock. Check out my trip reports and you can see more about the material and things I've found. The rock is about 5 inches long, 3 inches wide, and about 1 each thick. The bottom is a very thin layer of hard rock, and the rest is softer, flaky, fossil-filled shale. The material is hard but flaky, sandy, and fairly easy to work with. These pieces are fun to disassemble and search. I have larger pieces with several teeth showing as well. The teeth are usually in really great shape for being 80m to 100m years old. I'd like to trade for something interesting. Vertebrate would be nice, as would anything reptile or amphibian. I'm a new hunter and collector so im open to any trades. I hunt for fun and not for profit so its important to have a trade we can feel good about. My goal is to be reasonable and communicative and be flexible if anything issues pop up! Thanks! CS (aka Jackito)
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I was hunting a Miocene site in New Zealand when my friend cried out “wow! Wow!….wow!” From a few meters away. Well I thought that’s three wows, this must be something pretty good. She had found the biggest piece of petrified wood I’d ever seen at this site. Pretty good! Not too common as this is outer shelf sediment. We looked around and I found another piece - comparison showed that they fit together…..ok that ups the ante a bit. the whole thing is now about 50cm long well I set the pieces aside and kept looking and mulling over whether to keep this specimen. It’s big, and there’s a big hike out. Maybe I’m better off collecting a photo instead? The time came to decide and I picked up a piece to have closer look…..hang on - that’s a big fish vert in there! You can also see bones and scales poking out the sides. How did we miss this? We were blinded by the excitement of find the massive chunk of wood. My guesstimate of what’s going on below. X-rays confirmed we have an almost complete fish in there. But the piece with the skull in was too thick and dense for X-rays to penetrate. But you can see skull bones protruding out the front You can see the verts running the length of concretion in this image of the second (left hand) block so probably missing the tail? What an interesting association. I tell you though, it was one tricky job stabilizing that wood! It’s poorly mineralised.
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From the album: some vertebrates from our collection
Pinichthys pulcher, a very rare stromateoid fish from famous pit Frauenweiler near Wiesloch / Darmstadt / SW-Germany. Size is approx. 30 mm. This small fish came up very rarely, not many are known-
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From the album: some vertebrates from our collection
another rare and very small pipefish, Doryramphus, from famous pit Frauenweiler near Wiesloch / Darmstadt / SW-Germany. Oligocene. Might be these fishes had been not so rare as it was told, but they are tiny (1 - 5 cm), slender and not easy to discover. This one is around 4 cm-
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From the album: C&D Canal Micro Fossils
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4 inches diameter. Probably from Pierre shale or niobrara formation. not mine. Thanks!
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I think that I posted some pics last year as I worked my way through a prep of a very large Phareaodus fish from the Green River fm near Kemmerer WY. Sadly, its a broken slab and I only have part. I have prepped out to the outer edge but had to stop because that edge is slanted and leaves the fossil layer very thin and fragile. So I came up with an idea. I'll fill in a box of the missing area, finish the prep, and then paint on the missing fish area.. That way I can display it and its still visible for what is real and what it would have been. So, I took a pic and digitally overlaid it onto a complete specimen. Holy mackerel I'm missing a LOT of this fish! My putty fill isnt near big enough. Guess I'll have to add a second pour, but that will have to come after I finish the prep. This wont fit in my prep box if it gets any larger! The measurement of my partial fish is over 13 inches long, which means if it hadnt been broken before I found it, it would have been over 20 inches long, maybe even 24.
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From the album: Cretaceous
Enchodus petrosas Actinopterygii Samoniform- (Myctophoidei) Fang and jaw piece Upper Cretaceous Wenonah Formation Matawan Group Big Brook Marlboro, N.J.-
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Dear Colleagues please help me figure it out. looks like a flint arrowhead. but no wonder, there are a large number of them. but it is interesting because there is inclusion inside .. personally, I clearly see the spine, head, gills, eye, and .. scales (. in the center of the fish, in the head and in the abdomen). but this is unrealistic, because animal organic matter is impossible in silicon rock. how to explain it? And is it even a fish? Thanks.
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Disarticulated GRF fish. Not sure what species. Has these armor plates on back with teeth on them. Any ideas? Prepping it, got skull exposed.
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Hello, I recently acquired some fossils at a mineral show. I already tried to identify them, but I am not 100% sure, especially since I am not sure about the authenticity in some cases. It would be great if you could help me further! 1. In the of the ammonite at least one spine on the right side is not real, but I am not sure if it is a real restored fossil or a complete fake. I also don't know the age or locality. 2. The fish fossil is apparently from Wyoming and 250 million years old. But since it looks relatively "modern" I suspect that I misunderstood what was said and that it is supposed to be 52 million years old. If this is the case I suspect it could be either Knightia or Gosiutichthys from the Green River Formation. I am also not sure if parts of it were painted. 3. The tooth was sold as a spinosaurid tooth from Morocco. If that is the case then it has to be of a juvenile, but I can't rule out that it really is the tooth of a plesiosaur or an ornithocheirid pterosaur. The tip broke of during transportation, so I had to glue it back on. 4. The trilobite is also supposed to come from Morocco and was said to be approximately 350 million years old. I suspect it to belong to the genus Phacops or a close relative.
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On Nov 2nd, I posted this fish tooth for identification ( Onychodus sigmoides). Since then a few other "fishy" pieces have been uncovered. Does anything ring a bell with you concerning these two unknowns. 1. This broken specimen is 2.2 cm in length. 2. This is 3.9cm long
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Hi, Can anyone help id this fish? No provenance or identification info whatsoever. The slab measures a little under 15 cm long.
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In earlier times I loved the smaller fossils. I moved some times, so it´s better to pack not too much... My collection of fossil fishes was small, maximum size 50 cm (and a little more), but never above 1 Meter I love to show our biggest fish here, Cladocyclus with approx. 135 cm big one... Show your biggest fish (when you are not too shocked, sorry for this start...), love to see other giants
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Picked this up a while ago. Finally prepping. Slow going as it's in some very hard sediment. Saw some teeth pop out today.
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This was a topic of discussion a few times in other threads. I had a small split layer fish I could sacrifice so I gave it a shot with iron powder at low psi. Seems to have worked well. I initially started around 8-10 psi but this was too high. Seems to work well around 5-7 psi. For the harder 18" stuff 30-40 works well. Cheers
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