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Showing results for tags 'cretaceous'.
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From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus marginalis. I am unsure of ID. Please correct me if wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I am unsure of the ID. Please let me know if wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus marginalis. I am unsure of the ID. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus marginalis. I am unsure of the ID due to the strange position. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I am unsure on the ID. Please correct me if wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I believe I am correct, please correct me if wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I believe I am correct. Please correct me if wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I believe my ID is correct, please correct me if wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I believe my ID is correct. Please correct me if I am wrong. -
From the album: Cenomanian Shark Teeth and other Marine Fauna, Ryazan Oblast, Russia
Ptychodus anonymus. I believe my ID is correct. If not please correct me. -
As the lockdown continues and I can’t go on any new adventures here’s another amazing experience from my palaeontological back catalogue. A little shorter this time than my Burgess Shale story. I was back home from university for the Christmas holiday and decided to go with my family to the Burke Museum in Seattle. I’d been many times before as a child but this time I was going to see something special the Tufts-Love rex, and I got lucky. We had arrived in the morning just before they opened and were one of the only families there, as I was peering into the lab area trying to see as much as possible, the preparator stopped, came to the door and asked if I wanted to see it up close. Next thing I knew I was face to face with the T-rex. Looking at it up close you could see the fine detail in the bone where veins ran into the maxilla and the almost feathered texture of the supraorbital ridge. She even let me touch it, something I never expected a museum to allow me to do. Of course I couldn’t pass up the photo op. In the picture the googly eye is in the wrong place, it should be up a little higher where in its place one of the preparators put a sticky not saying “no more prepping in eye hole”. Clearly the temptation to continue in further and hollow out the skull while it was still half in block was just too strong. You can also see one of the nasal bones has been exposed and has been displaced. At the time I got to see it, they weren’t sure if this meant that the other was missing or how complete the other side of the skull was. Now that the skull has been fully prepared we know (There is a fantastic thread elsewhere on the forum by @Troodon documenting its preparation). 100% of the skeletal elements are present and it’s one of the most complete skulls ever found. I haven’t seen it fully prepared yet though, since I haven’t gotten back to the Burke since it has been renovated but next time I’m back in Seattle it’s the first thing I’m going to do. Thank you all for reading, Benton
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This concretion was actually from a fossil trip last year. Its two ammonites in one rock but the bigger ammo has half of its beak right in front of the appature. Amazing. These are known as Rhaeboceras halli and are from the Bearpaw Shales of eastern Montana. He brought it over to my garage and wants me to 'clean' it up. RB
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So, I came across yet another bag of teeth I had collected back in the 90's (I HATE being able to say "back in the 90s" like that) and packed away for later perusal. Now, what I did not do, which I usually do, is mark the bag as to where I collected it. *sigh* Luckily, there are only 2 places I have collected Squalicorax. Green Mill Run and Cape Fear river. I am relatively certain these are from GMR as I collected in Cape Fear later than the 90s and this was in a box packed before that. Plus they just dont look like the stuff I got in Cape Fear.
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Hello, first post, so apologies in advance for any unintended transgressions. I found this one in Big Brook, New Jersey among the plethora of trace fossils usually attributed to shrimp, that are usually disregarded by most hunters here. (I personally find them kind of interesting, and have a lot of fun when I bring them home and tell my wife they are "witch's fingers.") Usually the tube is more rounded and longer and yes, "finger-like." This one is tear shaped and flat on one side. I have seen similar shaped fossils online attributed to insects. There is also an old post here of a similar fossil thought to be the work of a clam. I am just wondering if anyone has another opinion before I slap a label on it and put it back with the other witch's fingers...I mean shrimp burrows. (Sorry not a very exciting first post.) I'm also wondering if there is a more definite classification. I've heard they might be something called a ghost shrimp, which also sounds rather spooky. OK I see missed some info here and sorry for the lack of metric measurements I sometimes forget how primitive we are here (and then I watch the news and it all comes rushing back.) Item is approximately 7.5 CM. Big Brook is a stream located in Colt's Neck Township, Middlesex County, NJ. It's a hot spot for Shark's teeth, mosasaur teeth and an occasional cephalopod part. This was pulled from the river bed itself.
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I just got this bone fragment refered to as a scute from either an ankylosaur or a turtle from the lance formation. Upon further inspection,I dont see the typical ankylosaur blood vessels or the turtle carapace type features.
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I bought a bag of assorted Morocco shark teeth several years ago and never properly identified them. I have tried to identify them now and could use some help. The measurements are from the top of the root to the tip of the crown #1 - Otodus obliquus? Tooth is about 4 cm #2- Striatolamia sp.? Tooth is about 1.75 cm #3- Cretolamna appendiculata? Tooth is about 3 cm #4- ??? Tooth is about 4 cm #5- ??? Tooth is about 4.5 cm #6- Cretolamna appendiculata? Tooth is about 4.5 cm #7- Cretolamna appendiculata? Tooth is about 4.25 cm #8- Cretolamna appendiculata? Tooth is about 4 cm #9- Cretolamna appendiculata? Teeth are about 3-3.25 cm
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Looks like scientists from Buenos Aires have discovered the remains of a new species of megaraptor from the late Cretaceous. Discovered in the southwest province of Santa Cruz. http://www.ctys.com.ar/index.php?idPage=20&idArticulo=4011
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I am looking to trade small flat rate box(es) of Ordovician or Mississippian matrix for unsorted Permian Wellington f. (Waurika) or K Firesteel Creek (Hell Creek) matrix. PM me if you are interested. (or any other interesting micro faunal matrix)
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Buckyballs reported from crinoids, Uintacrinus and Marsupites
Oxytropidoceras posted a topic in Fossil News
Strange hollow ball-like structures found in 80-million-year-old fossils by University of Western Australia https://phys.org/news/2020-05-strange-hollow-ball-like-million-year-old-fossils.html http://www.news.uwa.edu.au/2020051212074/research/strange-hollow-ball-structures-found-80-million-year-old-fossils https://scienceblog.com/516317/strange-hollow-buckyballs-found-in-80-million-year-old-fossils/ Uintacrinus - https://en.wikipedia.org/wiki/Uintacrinus Yours, Paul H.-
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Planthopper, extinct family Neazoniidae, in burmite amber
LoneRanger posted a topic in Micro-paleontology
This unusual planthopper nymph is 6 mm long, is an inclusion in Late Cretaceous burmite amber, and belongs to the extinct family Neazoniidae. One of the characteristic features of Neazoniidae is a rostrum (piercing mouthpart) that is longer than its body. Specimens of this family were first described in 2007 by Jacek Szwedo in Lower Cretaceous Lebanese amber, followed by a 2009 paper on additional specimens in French Cretaceous amber. First photo of the insect in my collection is a ventral view of the triangular head -- with globe-like eyes and filament-like antennae -- and the thorax. The rostrum runs from the base of the head down the midline thorax. Second photo is a ventral view of the abdomen, with the rostrum extending beyond the body. Third photo is a side view, showing a remarkably flat body and a patch of plant debris stuck to a hind leg. Final photo is a dorsal shot of the head and thorax All these photos include views of hardened plates along the body known as sclerites or tergites. More information on Cretaceous Neazoniidae in Lebanese and French amber can be found through a google search.
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Part the Third of the Hunting from Home series! The Texas Aguja Late Cretaceous formation Matrix from PaleoTex LLC! While i have been to West Texas MANY times (Big Ben National Park is kind of my second home) I've never had a chance to go fossil hunting there. So when I found out the Aguja Formation matrix was available, I was excited to see what I could find. So here are my little tiny finds! So far my favorite find is these tiny tiny shark teeth - Onchopristis dunklei (thanks Trodon for the ID!) They are about 1/16th inch (2mm) Next is a surprise find - a mammal incisor! 1/4 inch And thanks to another forum post, I was able to ID this tooth as Paronychodon : 1/4 inch Some cool little crocodile teeth I sure wish I could have found more of this Hybodont Spine, but at least it has some of the barbs on it. I love the translucence of this gar tooth: And here is a little montage of various Gar Scales An unknown tooth: I think the above is different than this one, but it might be the same. This one is another Gar Lepisosteus 1/4 inch Some neat vertebra (all are 1/4 to 1/16 Another Tooth...possibly Hybodont? And lastly, some random spines:
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Hello I am new to the Fossil Forum, I started collecting fossils about 5 years ago and joined the NC Fossil club. I have been on several digs in Eastern NC, the Peace River, SMR mines in Florida and Holsmaden. I have found a few fossils in Virginia and Minnesota too. I have joined the forum to help identify some of the Cretaceous fossils I have acquired from Morocco. Looking forward to an education and making new friend. Mark
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Hi, I’m hoping to get to big brook or ramanessin brook this week and was wondering which I would have a better chance at finding a mosasaur tooth, and, if there are any other places I’d have better chance at finding one?
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I found this shark tooth yesterday that I cannot seem to match with anything that is typically found in the Cretaceous brooks of Monmouth County, NJ. What has me baffled are the tiny serrations on the shoulders of the tooth enamel right next to the root. I tried to capture the serrations in the second photo. I wish more of the root was there, but it is what it is. The tooth is very small, roughly 1/4 inches. Any help is greatly appreciated.
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I took advantage of the warm weather yesterday after an unusually cold May day on Saturday to visit one of the Cretaceous brooks of Monmouth County, NJ. I spent about 4 hours collecting. I ended up staying in one spot and I am so glad I did not move. The spot just kept producing. Every screen had at least one fossil tooth in it. Some of the shark teeth were the largest, most complete shark teeth I have in my collection. I left a lot of the smaller, more broken shark teeth there because I was finding so much. I also found two Enchodus palatine fangs, a nearly complete fish vertebra, two Anornaeodus phaseolus crusher teeth, a crustacean walking leg, two Ischyrhiza mira rostral spines, a cow nosed ray dermal denticle, and a tiny piece of coral. Towards the end of the day, I even found a mosasaur tooth in one of my last screens. Unfortunately the brook had already gotten to it and it was split in half and worn down. Better luck next time! Here are some of my favorite finds from yesterday: Mosasaur tooth (Mosasaurus sp.) Goblin Shark Anterior Tooth (Scapanorhynchus texanus) Juvenile Goblin Shark Anterior Tooth (Scapanorhynchus texanus) Goblin Shark Lateral Tooth (Scapanorhynchus texanus) Goblin Shark Lateral Tooth (Scapanorhynchus texanus) Mackerel Shark Posterior Tooth (Archaeolamna kopingensis) Crow Shark Lateral Tooth (Squalicorax kaupi) Sawfish Rostral Spine (Ischyrhiza mira) Cow Nosed Ray Dermal Denticle (Possibly Rhombodus laevis) Pycnodont Crusher Tooth (Anornaeodus phaseolus) Fish Vertebra Tiny Piece of Coral
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