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Showing results for tags 'cretaceous'.
Found 1,264 results
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This small cluster is in excellent condition. Many of the spines of this oyster are still present, normally these are broken or worn off. It is often found in very large clusters. It was found in the basal sands of the PeeDee Formation at a quarry in Southeastern North Carolina. These oysters are often found in association with Hardouinia mortonis and kellumi echinoids.
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Sister called and asked to take my son for the day and my wife said she had things to do so I took that as my cue to head out to the creek. I really wanted to hit the North Sulphur with all the rain and missed my chance Friday morning with the water still being a bit high for my taste, but I didn't have that kind of time. My wish list for the day consisted of any artifact and a new type of Ptychodus from the bucket list. I headed to a spot I have only hit a couple of times and after working my way down through all of the muck from the flooding, I finally hit a gravel bar. The first bar provided a couple of broken Cretodus and one small Ptychodus. There were absolutely no foot prints in the fresh deep mud so I was excited to work my way downstream. I was a little disappointed after the first half hour and only a few broken teeth but as I worked my way downstream it improved. Found several nice P. whipplei and then a very cool point, a scraper, and a very nice what I am guessing is a plesiosaur tooth (which I have in the ID forum). Not on the list but one I would gladly add if I had known it was a possibility. Found some bison teeth and lots of bone as well as one very nice Cretodus lateral tooth. I really wanted to stay longer but had to make it back home for my "curfew". Overall a good two hours and I am sure the best was left behind. Thanks for looking.
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This amazing double valve specimen is a single oyster. It was found in the basal sands of the PeeDee Formation at a quarry in Southeastern North Carolina. These oysters are often found in association with Hardouinia mortonis and kellumi echinoids.
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Hi, I found years ago this (probably dinosaur) bone in cretaceous beds located in Southern France. These layers contain dinosaur, crocodile and turtle bones. It is about 8 cm / 3 inch long Would you have any idea oh what it is ?
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Hello there! I live in western South Dakota, and my family has a ranch right in the middle of the Hell Creek Formation. There is a location about 1 mile from a river where about three years ago I found several serrated tooth fragments. I went back to this location last week to see if I could find any more of the tooth fragments. I did find some more serrated fragments, but they are from a different tooth, and possibly different species entirely. There are several areas within a 50 yard radius with bones surfacing, but they seem to be from several different creatures. I'm used to seeing triceratops and duckbill bones at the surface, which are light in color, spongy, and very, very crumbly. Most of the bones in this area are much different, and I'm not sure if that would be due to the type of sediment it was preserved in, the location, or the species. Many of these outcroppings could almost be mistaken for iron ore rock that is breaking apart. I was hoping to get some help identifying one piece in particular. Please ignore the rubber bands, I'm trying to find the missing pieces before I glue the large sections together. All the pieces together will make it around a foot long. In some areas, the bone is a dark chocolate brown, and very smooth and shiny. Any help would be greatly appreciated. I have a really hard time finding any sources of information on theropod, Hell Creek, or Cretaceous identification. If anyone knows of any good literature for this area, feel free to post a link, it would be greatly appreciated!
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sau!!CS_523.37-65.pdf
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Took a quick trip with my wife to a few spots in NE TX including the North Sulphur River. Found a nice variety with my fav being the mosasaur/fish coprolite. Late Cretaceous 80-85 mya Few more
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I found the following samples today in northeastern Mississippi at the Cretaceous park site. I'm curious what the little fossilized designs in item 1 are. And I'm thinking item 3 may be a tooth of sorts? I also found this tooth and was wondering if it was a modern deer tooth, or fossilized something? Does anyone have any advice on how to tell?
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I found this in a local creek here in central Texas and I think it's part of a sand dollar encased in limestone. I'm probably wrong though. Any ideas? Thank's!
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Recently donated a coral found in the N. Sulphur River along with an Eocene Periarchus lylli echinoid to the University of Mississippi museum. Fossils sent to George Phillips for study and display.
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My sons friend did some work on my big tractor and I told him I would prep out one of my sons ammos for him. I cant do any scribe work till i get my compessor back to working, but i was able to do some grinding on it, some glue up work and a small bit of 2 part putty. Still gots a ways to go though. A 15 incher RB
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I'm having a hard time with this one! It was found in the bluff town formation located in South Alabama. My theories have ranged from a simple geo-fact to fish scales so I'm hoping someone can help shine some light my way and know what it is! Its roughly 1-1/2" long and an 1/2" thick and the pattern follows the entire perimeter around the piece. Any thoughts or comments would be greatly appreciated! Thanks, Terence
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Hi everyone, I found these two teeth in Monmouth County (cretaceous) some time ago and want to confirm their identifications. The first tooth I thought was a mosasaur tooth at first but then I noticed that it is very flat and has a lens-like cross-section. Sadly it's worn so the cutting edges don't have any sign of serrations. I don't know what it could possibly be other than a dryptosaur tooth, even though that would be unlikely. The second tooth I'm sure is a hadrosaur tooth with most of the root missing, but it looks a bit different- its crown is shorter and the ridge in the middle isn't prominent. I wonder if this has to do with the tooth position or whether it is from the upper or lower jaw. Is it possible to determine if it is from the upper or lower jaw? I appreciate any help. Thanks!
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- new jersey
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From the album Denton County, TX
8-10-17 -
From the album In-Situ Shots(various locations)
8-12-17 North Sulphur River -
Back in 2016 I went fossil hunting in Ramanessin Brook, New Jersey. I found plenty of shark teeth as usual (Squalicorax, Scapanorhynchus, Archaeolamna etc.) and a few small invertebrates. But two teeth looked different from the rest. Since then I have just referred to them as fish teeth but I'm not sure how accurate that is. Mosasaur teeth are apparently found regularly at Ramanessin and I have heard of people finding crocodile teeth as well. The potential reptile tooth is very small, which is what made me think that it came from a fish originally. I'm not sure what the more striated tooth belongs to but it could come from a Xiphactinus or be a sawfish rhostral spine. If anyone could help me out in identifying these fossils that would be great
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Good afternoon, I found this is Travis county after a recent flood. I'm in the creek often and have never seen this. Hoping y'all can ID, thanks IMG_20170809_170048.jpg
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Gastropod Internal Mold from the Merchantville Formation, New Jersey
Jeffrey P posted a gallery image in Members Gallery
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From the album Cretaceous
Gastropod internal mold (partial turritella?} Upper Cretaceous Merchantville Formation Matawan Group Matawan, New Jersey -
Internal mold of bivalve from the Merchantville Formation, New Jersey
Jeffrey P posted a gallery image in Members Gallery
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From the album Cretaceous
Glycymeris mortoni (internal mold of bivalve shell "bittersweet clam") Upper Cretaceous Merchantville Formation Matawan Group Mattawan, New Jersey -
Is it possible to ID this vertebra? Thanks ...
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Wondering if anyone can help ID these two teeth. I found them last weekend sifting in Big Brook, New Jersey which is Cretaceous. Found plenty of shark teeth and belemnites, but couldn't place these two. They are both fairly small (the black one is 1cm in length, and the larger worn one is 2cm) but seem to be the same fossil type. I know that Croc and Mosasaur teeth can be found here but these looked a little different. There is a ridge that runs down both sides of each tooth, but the feature that confused me was the lateral striations on the tooth which seem to run around the circumference of the teeth. Would welcome anyone's thoughts?
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Oldest Asian Hesperornithiform from the Upper Cretaceous of Japan
Oxytropidoceras posted a topic in Fossil News
Amateur collectors in Japan discover country's first and oldest fossil diving bird, Perot Museum of Nature and Science, August 8, 2017 http://www.perotmuseum.org/about-the-perot/newsroom/news-releases/2017/08/chupkaornis-keraorum.html https://www.sciencedaily.com/releases/2017/08/170808145449.htm "Two brothers from a small town in Hokkaido, Japan, made the discovery of their lives -- the first and oldest fossil bird ever identified in their country. Identified as a new species, it has been named Chupkaornis keraorum." The paper is: Tanaka, T., Y. Kobayashi, K. Kurihara, A. R. Fiorillo, and M. Kano. 2017. The oldest Asian hesperornithiform from the Upper Cretaceous of Japan, and the phylogenetic reassessment of Hesperornithiformes. Journal of Systematic Palaeontology, 2017; 1 DOI: 10.1080/14772019.2017.1341960 http://www.perotmuseum.org/media/files/Newsroom/2017/8.8.2017_Tanaka_et_al_2017_Chupkaornis.pdf Yours, Paul H. -
Bivalve from the Merchantville formation, New Jersey
Jeffrey P posted a gallery image in Members Gallery
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From the album Cretaceous
Inoceramus sp. (bivalve cast- both valves) Upper Cretaceous Merchantville Formation Matawan Group Matawan, New Jersey -
Help! this Ammonite (Oxytropisoceras so?) is about 8 inches across, its from Texas, does this look like a bite mark? any idea what would have done the biting? I've done some searching but just don't seem to be finding this "type" of bite (maybe my daughter's 4 year old?)
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Partial ammonite from the Merchantville Formation, New Jersey
Jeffrey P posted a gallery image in Members Gallery
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From the album Cretaceous
Discoscaphites sp. (partial ammonite preserved in pyrite) Upper Cretaceous Merchantville Formation Matawan Group Matawan, New Jersey Found by Ralph Johnson and generously gifted to this author.
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