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Showing results for tags 'cretaceous'.
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This came out of a road cut on IH-10 near Kerrville, Texas. From a thick marl bed that I think is the Walnut just above the Glen Rose Fm. -
Bottom is from the Upper left of the first image. These were found at an outcrop of the Upper Glen Rose just south of Comfort, Texas -
Found south of Pipe Creek, Texas, and north of Medina Lake. -
Top L-R: Upper Glen Rose Fm, Borracho Fm Middle: Eagle Ford Fm Bottom L-R: Comanche Peak Fm (Pecos County) (?), Upper Glen Rose Fm (?) -
Hello All this is a wrap up of our finds from our Richmond trips 2020 This post is about two trips combined where I visited the same location which is Richmond , NW Queensland Australia. The dig site is a public dig area which contains Cretaceous marine material from the Toolebuc formation. This site is well known for its abundant fish, shark ,marine reptile bones and rare bird/ pterosaur fossils. Growing up in the North Island of New Zealand and I have been collecting fossils since I was a kid however fossils from vertebrate animals are exceedingly rare in that area (Except Shark teeth) therefore my knowledge of vertebrate fossils is very poor. So, going out to Richmond which has abundant vertebrate fossils is a dream come true I have learnt so much over the last 3 years heading out there. The first trip was in July which I did with my partner and kids and the 2nd trip was in October which I did solo due to the extreme weather at the time. Due to the weather which was 42C and threat of severe storms I located the area I wanted to dig and did most my work at night with lamps, there were also less flies at night which made it more pleasant. During the two trips we found several turtle bones which was exciting and unexpected, it wasn’t the kind of marine reptile bones we had in mind. We found a small ichthyosaur tooth and a neural arch. There are layers of material known as fish mash which contain large amounts of small fish bones. Amongst this we found a few larger fish bones and a fish tail. My partner also found the largest and first sharks’ tooth of our trip she was very happy about this. We collected some of this material which we took home and broke up and sieved for shark teeth and any other rare or unusually specimens. Working alongside my 11 year old son we broke up and processed the fish mash material where we found a few smaller turtle bones and sharks teeth our best finds were 3 johnlongia teeth these are usually rare so we were good finds, the third tooth which he found he was able to ID the tooth which was great to see how much he has learnt. Also goes to show how much better his eyes are than mine as I missed it. Lastly, I would like to thank everyone on the forum who has given me advice and helped me ID fossils especially Mike D’Arcy without your help we would of never made these finds thanks a lot mate. Cannot wait to get back out there. Finding the dig site before dark, yes the silly looking mask is required to keep the flies out. The dig site at night. My wifes tooth. I will put more pictures in comments
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The treasure of the Reedy Point Spoils is in the micros! This is one of over 100 micros I collected in one day just surface collecting after the spoils area was freshly cleared of vegetation -- and freshly cleared of much of the remaining matrix. Of all of those micro fossils, this is the only one of this species and very possibly the only one I have found in 16 years of collecting at that site. The Reedy Point Spoils is a 220+ acre dredge deposit from the Chesapeake and Delaware Canal. The matrix is a combination of material from the Mt Laurel and Navesink Formations, which are not exposed in Delaware, but are on the surface in their namesake towns in NJ.
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Alternative combination: Raja whitfieldi Hay 1903 Literature: HAY, O.P. (1903) On a collection of upper Cretaceous fishes from Mount Lebanon, Syria, with descriptions of four new genera and nineteen new species. Bulletin of the American Museum of Natural History, 19 (10): 395–452.
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- byblos
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Hello, I went on a walk a few days ago to the local chalk pit and of course couldn't resist spending a few minutes scouting for fossils. This is one of two specimens that I found, the other being a shell fragment. At first I thought the pattern might be formed by ice but I wasn't convinced and kept searching, managing to recover two other small pieces. My suspicion of it not being ice related was confirmed when at the bottom of the slope I found the more complete counter slab, with a layer of ice still covering part of the fossil. Needless to say this made for cold hands on the walk back but I wasn't going to leave it. And an enhanced version of the positive using RTI. If I had to guess what it is I would say bryozoan but I haven't hunted the chalk much before and don't know. The fossil comes from the Upper Chalk and is Turonian in age. Hopefully someone has a better idea what I've brought back. Thank you, Benton
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Hello everyone! I found this yesterday in a Cretaceous stream in Monmouth County, New Jersey. It measures 3/4th of an inch long. I was thinking Hadrosaur but I've never seen one this thin so I figured I would look for some other opinions. As always, all help is greatly appreciated! Frank
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I was fortunate enough to find many nice teeth during 2020. These are some of either my nicest, favorite, or somewhat uncommon finds from my searching at Big Brook, NJ. These finds are late cretaceous (~65 million years old). Sources for identification: http://www.njfossils.net/cover.html Fossil Shark Teeth of the world, by Cocke The first picture are 4 of my largest and most complete goblin teeth (Scapanorhynchus texanus), all found on the same day! I think it had rained overnight, though there was no rain in the forecast. I think this along with unseasonably high temperatures led to bit of erosion. Picture #2: Mackerel teeth Left to right, first is Cretolamna appendiculata (lata?) and the latter two: Archaeolamna kopingensis. Mackerel teeth are some of my favorite due to their shape and cusplet size. Picture #3: A branchial tooth from an early drum fish (Anomaeodus phasolus). More photos will be uploaded in a comment.
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From the album: Dinosaurs
Species: Spinosauridae indet. Age: Cretaceous (Cenomanian), c. 95 million years ago Location: Kem Kem Formation, Morocco Probably the most common dinosaur fossil available on the market, a Kem Kem Spinosaurid tooth. At least two spinosaurid species are known from Kem Kem; Spinosaurus aegyptiacus and Sigilmassasaurus brevicollis. As there are no known teeth of Sigilmassasaurus, comparisons between the two are impossible and determining the genus which the tooth belongs to is also impossible. -
From the album: Dinosaurs
Species: Tyrannosaurus rex Age: Cretaceous (Maastrichtian), c. 66 million years ago Location: Hell Creek Formation, Montana, United States Quite small tooth fragment of a juvenile specimen (classically referred to Nanotyrannus, now no longer recognized as a valid genus), but serrations are preserved. Identifiable down to the genus and species level since Hell Creek did not have any tyrannosaurids other than Tyrannosaurus rex. -
From the album: Dinosaurs
Species: Tyrannosauridae indet. Age: Cretaceous (Campanian), c. 75 million years ago Location: Two Medicine Formation, Montana, United States Pretty fragmentary tooth, but cool to have nonetheless. There are three species of tyrannosaurids present in the Two Medicine Formation (Daspletosaurus horneri, another currently unnamed species of Daspletosaurus, and Gorgosaurus libratus), so the tooth is not identifiable down to the species or genus level.- 1 comment
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From the album: Dinosaurs
Species: Carcharodontosaurus saharicus Age: Cretaceous (Cenomanian), c. 95 million years ago Location: Kem Kem Formation, Morocco A lot of the enamel is missing, but an otherwise well-preserved tooth of Carcharodontosaurus saharicus, some would prefer labelling Kem Kem Carcharodontosaurid teeth as "Carcharodontosauridae indet." on account of Sauroniops pachytholus, but a 2020 study declared that it was likely synonymous with C. saharicus so I am comfortable with just referring to it as a tooth of Carcharodontosaurus. -
Hello all, it's been a very long time and I'm posting from my phone in an area with no wifi, so I hope I've followed all the rules as best I can. I was out fossil hunting in the Upper Hell Creek in eastern Montana last year, and found this bone. (Sorry for the images, I will not be able to retake them for months.) It was found in a sandy mudstone and appears to be hollow (and very crumbly). Its about 10 inches long.My best guess is a Struthiomimus femur, but if anyone knows different please let me know. Thank you for any help you can give!
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This last weekend I hit the NSR along with the crowds and decided to start at the Ladonia Fossil park. I got there shortly after dawn and already there were several groups of people down in the river. I don't mind walking in others footsteps and in fact quite a few of my good finds have been within feet of where others have already walked so I started off and within about an hour of slipping and sliding around on the marl I found two of the ugliest associated mosasaur verts I've yet to lay eyes on. Maybe they will clean up nicer than they look now but in my experience the preservation in the highly fossiliferous 'red-zone' is generally terrible compared to the marl above and below it. I was able to extract the verts under the careful watch of a committee of buzzards. This squalicorax sp. tooth was in the matrix around the mosasaur verts. Throughout the day I found a few more things such as a bone (possibly fish - not sure) with predation marks: I think the growth rings on bones are particularly cool: A fish something - tooth? (again not sure the ID): Very small jaw section: An ammonite that I considered tossing several times over due to the weight and the fact that's broken in two places: A small fish vert section: And finally vert #1: and #2: Eventually I hope to prep these out, but it'll have to wait till I get my prep station all set up. Thanks, - James
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I’ve had Big Brook and Ramanessin on my shark tooth hunting list for a while and finally made it up to both today. It’s a 6-hour roundtrip drive from where I live and with the days still pretty short this time of year, I had originally planned to spend my limited time just at Big Brook. After an hour-and-a-half of mostly striking out on shark teeth there, however, I decided to head over to Ramanessin, which both @Bob-ay and @PaleoNoel had recommended. Luckily, the two spots are only about 10 minutes apart, so I didn’t waste much time in transit, and I was rewarded with much better gravels at Ramanessin than I’d found at Big Brook. Some pictures of my trip and finds are below. While I’d hoped to find more intact shark teeth in the Cretaceous streams today (nearly all that I found were partials), all-in-all, I had an enjoyable trip and found a decent variety of things for my first time in the area. I look forward to returning! I parked at and entered Big Brook via Hillsdale Road. Unfortunately, there weren't a ton of exposed gravels there today (I was walking in the direction of Boundary Road, though I stopped about 2/3 of the way there). My first fossil find of the day: Belemnitella americana. These are pretty common and I had a couple from Big Brook already via a trade with @butchndad but this was my first belemnite find ever! I found this Enchodus petrosus fang on one of the first decent gravel bars. It measures 36 mm long and turned out to be my find of the day. This was the only (mostly) compete shark tooth (it's missing the very tip) that I found in my hour and a half at Big Brook. I believe it's a small Cretalamna appendiculata. I only found two other fragments of shark teeth in the time I was there. Photos from Ramanessin coming up...
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Good evening to all participants! I have accumulated a lot of local (from Ukraine) material - I decided to sort it out, and recurring fossils, or not of interest to me, offers you an exchange. Everything in the photos is one lot. Consists of: 1. Tile from Carboniferous period with fern print; 2. A fragment of the armor of a armored fish Podolaspis Lerichei of the Devonian period; 3. Tile with Silrian brachiopods and tentaculites; 4. Mollusk of Neogene; 5. A small fragment of a fossilized araucaria of the Carboniferous period with quartzite crystals; 6. 2 fragments of orthoceras (found together with a tile with tentaculites); 7. A selection of teeth and vertebrae (most of the Cenomanian fish): 7.1. 3 Enchodus teeth (2 large ones are glued from fragments, and the largest (light) one is also smeared with a children's felt-tip pen), Cenomanian. 7.2. Ptychodus teeth (light - Cenomanian; found personally, and dark ones got by exchange); 7.3. 2 undefined teeth of the Cenomanian fish and good teeth of a shark from Malin, Zhytomyr region (by the way, dark teeth of Ptychodus are from the same place); 7.4. 2 Pycnodus teeth - Cenomanian. 7.5. - A bag of Cenomanian fish vertebrae - about 50-60 pieces. Perhaps some of this will interest you. What is interesting to me: first of all, on marine reptiles and dinosaurs, and also offhand, I am interested in the teeth of megalodon, Crinoids and ammonites. Surely I missed something - I ask you, do not hesitate to write to me in private messages - i will glad to talk. Best regards, Svetlana
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I bought this cleonaceras ammonite a while ago. It’s 110 Million years old from Madagascar. It said it was filled with mud and when I was looking at it I saw many small fossils, some of these may be unidentifiable or even not fossils but I know some are and want to see if you guys can help narrow it down. Since they have been polished the inclusions on one side are not on the other here’s the ammonite, 6.9 inches the longest way 1. Gastropod? 2. Shell fragment? 3. Shell fragment? 4. Gastropod? 5. Gastropod? 6. I know this ones a gastropod, anything else? 7. Shell fragment? 8. No clue, probably not a fossil 9. Tiny gastropod?
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Here is another fossil I have trouble seeing how an ID was made, from Kem Kem in Morocco. This was sold to me as a bone from a Spinosaurus, but is this identifiable as coming from Spinsaurus or even a dinosaur at all? It's clearly from a quite large animal as it measures 7-8 centimetres (2.75-3.15 inches; depending on how you count) long and isn't even complete, so perhaps that is indicative of dinosaurian origin at least? Or could it possibly alternatively have come from one of the crocodylomorphs in Kem Kem? Is there anything about this that confidently places it as coming from a dinosaur? Could it's location in the skeleton be inferred or is it too fragmentary? Thanks in advance
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Hello! I got this dinosaur vertebra from Hell Creek (Montana) a few years back. It was sold to me as a Triceratops vertebra but I don't know how that ID was made. It's not in the best condition (has moss(?) on it and has been broken and then glued back together) but it is about 13-14 centimetres across so it is clearly from a big dinosaur, but there were plenty of those in Hell Creek (even two large ceratopsids - Triceratops and Torosaurus). Looking for any insight into how an ID could be made here and if Triceratops (or even just ceratopsid) is correct
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Ramanessin or Big Brook for First NJ Cretaceous Hunt?
bthemoose posted a topic in Fossil Hunting Trips
I’m thinking about heading up to NJ tomorrow for my first Cretaceous hunt, and would love any advice from more experienced members, both generally and for this time of year (other than dressing for the cold of course). I was thinking Ramanessin as I’ve read here that it’s better for shark teeth, but I’m open to Big Brook as well if you think it’s better for a first trip. Along the Calvert Cliffs I mostly surface collect—is that also an effective strategy at Ramanessin and/or Big Brook, or is sifting likely to produce better results? Any advice on where to enter/park would also be helpful. If I do go to Ramanessin, I’ve read that there’s limited parking on Holmdel-Middletown Road across from the elementary school (I’m assuming parking at the school itself will be a no-go since it’s a school day, though I’m not sure if they’re doing in-person classes). Thanks in advance for your thoughts! -
Any ideas what type shark? Found in Alabama. I believe it to be cretaceous based on baculite shells found nearby.
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I would rather identify most any fossil other than petrified wood! Not a botanist, so when I referred to my ancient copies of Gems & Mineral magazines from March to August of 1960 and read Virginia Page's "How to Identify Fossil Wood", I got lost in a hurry. I'm trying to identify wood from the Cretaceous in Southeast Missouri at Crowley's Ridge. I have a polished cross-section image and am hoping someone can identify it for my fossil database. I don't have a longitudinal section, but could do one if that is necessary.
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I found these two vertebrae nearby each other in the Dinosaur Park Formation. I originally thought it might be Champsosaur, but after closer examination I ruled that out. I then thought salamander, but the neural canal on mine is too small. Finally, I thought it might be a lizard (like Paleosaniwa), but the vert itself is more slender then a lizard vert. So, I’m out of ideas. I’m wondering if it may be from a juvenile theropod, but I really can’t tell. Any help would be appreciated. Thanks! *should note on the vert with the majority of the process preserved that the articulate surface on one side is noticeably convex.
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