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Showing results for tags 'cretaceous'.
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Cow-nosed Ray Crusher Plate from Big Brook, N. J.
Jeffrey P posted a gallery image in Member Collections
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From the album: Cretaceous
Brachyrhizodus wichitaenis (cow-nosed ray crusher plate) Upper Cretaceous Wenonah Formation Mattewan Group Big Brook Colts Neck, New Jersey-
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From the album: Cretaceous
Enchodus petrosus (boney fish fang) Upper Cretaceous Wenonah Formation Mattewan Group Big Brook Colts Neck, New Jersey -
not sure what I have....looks like skin...
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Kayak Expeditionary Force Enters Ammonite Country
Uncle Siphuncle posted a topic in Fossil Hunting Trips
My wife had a brilliant and tastefully haute home decor epiphany. As a result, I have been conscripted to push north in search of ammonites to be inlaid in a stone mailbox post I’ve been tasked to erect. And I had just such a source in mind, off the public radar and left fallow for a year or 2 of flood cycles. I figured there might be more than one guy needed, so I invited my good friend Barry (Creekcrawler and formerly Snakekeeper here on TFF) to partake in the festivities. Barry has hosted me on some good hunts, so it was about time I reciprocated in kind. It was the maiden voyage for his new little yak, but not so for mine, deeply scarred and patched from 20 years of incessant abuse. Enough blather. Let’s see some Morts.
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It is a rare weekend I'm without family, so I got a head start by leaving work with the truck packed and making a long drive north, arriving at some potential new spots well after dark. Around 11, after several duds, I found a new site in the Mainstreet limestone that yielded a decent Coenholectypus echinoid. Later, during a crick stomp in the Fort Worth formation, I got the jump on 9 Mortoniceras ammonites from 1.5 to 14 inches between 2 and 3 am. Time for 2 1/2 hours of sleep in the back of the truck...I’m guiding a buddy in the morning. Hoping for a fun and fortuitous outing.
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From the album: Reptiles
Tylosaurus proriger Found in the North Sulphur River, Ozan Formation Dated Campanian Stage of Cretaceous (≈80 mya) Measures 4.4 cm (1.7 inches) -
So yesterday I hit the Waco Pit since it had been a couple of months since I last got out. Previous two trips were great since all I found were shark teeth. On one trip I found nine teeth in about 1 1/2 hours. Yesterday was just a chance to get outside and away from people. My other option was to go cycling on the river walk in town. Yesterday was pretty cool, temp was 47 degrees when I arrived. There was a cold breeze coming from the south. Skies were very overcast as well. Typical Central Texas weather. I hit the trail head and decided to head east inside of my normal west route. I have searched the east side a little before in the past. It's not as abundant with fossils like the other direction is but I have had some good luck finding things unusual. For instance my first summer there I found a nice rock with a Hemiaster Calvini in it. Upon getting home and cleaning away the matrix I found not one echnoid but three. So this time I wasn't expecting much. Pretty soon I found what looks like a piece of crab claw. I put that away for later. Then I find two shark teeth a few feet part. Not squalicorax but I'll take it. Finally I reach the embankments that are fun to get to and usually have tons of shells there. I find a couple of hash plates that look nice. They would both look great on a desk if I had a desk. One had a cute little echnoid spine in it. Then... I see a grey thing in the soil with spikes. At first I thought it was leaf but no this was solid. I took a few pictures of it in situ before prying it out of the ground. It looked like a horseshoe crab but I have never heard of one being found here. I looked it over several times, broke away some matrix and yes that is what it looks like. I carefully put it away in a container so I get a better look at it at home. I continue on searching for a bit. I spent a couple of hours there before heading home. At least it was a fun trip and there wasn't anyone there. I can be really anti-social at times. I get home and place the fossils in a bowl with water. After awhile I start brushing them off. What I thought was a cool looking horseshoe crab ended up being a piece of a very large Mariella piece. I'm not an expert in determining how big something is from a smaller piece but I guesstimate it could be 24 inches circumference. I'll include more pictures if it will let me.
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Christmas holyday trip to the northern coast of France
Manticocerasman posted a topic in Fossil Hunting Trips
At the start of the Christmas holiday I went with my girlfriend on a fossil hunting weekend to the French coast. first stop was the “pointe au oies” with jurassic deposits. apart from a small echinoid we didn't find a lot of decent fossils. after lunch we went 80km more to the south to a little hotel above the cretaceous cliffs near Ault. Since it was still light when we got there we made a 1st prospection on the beach and quickly found a few nice echinoids ( Micraster sp. ) the next day further inspection of the boulders on the beach delivered even more beautiful echinoid specimens. most of them very well preserved. This was a successful trip, I’ll certainly go back there next year.
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I have found a number of fossiliferous paleozoic stones of various sizes, types, and quality, in a cretaceous conglomerate layer. I have included a picture of some of them. I rather like them because, although the fossils are not very high quality, it is neat to think about how they have been fossilized and eroded out multiple times. I was thinking about running them through a rock tumbler to polish them, but I am concerned that the hardness of the fossils compared to the rock might present some sort of issue. Does anyone have any thoughts on why this may or may not work?
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From the album: My Fossils
I found this tooth from Morocco I’m a shop in Portugal. While the root could be faked in someway. The actual tooth, is real. I did a post on this before but I took much clearer images for the ID for this later on. I decided to repost with these images. -
Stellate Hair-Like Fossil In New Jersey Cretaceous Amber
NZ_Fossil_Collecta posted a topic in Fossil ID
today i have found another inclusion from my raw lot of cretaceous NJ amber. it bears resemblance to a stellate fern hair (comparison picture shown below) and also to stellate fern hairs I have found in a piece of (presumably baltic or dominican) amber that is 30 MYO. i'm not sure about this and i was wondering if anyone could shed some light on it, have these been documented in NJ amber before? (probably) anyway, here are the pictures: the fossil in NJ amber i found---> comparison picture of another stellate fern hair i found this one on the internet---> another stellate fern hair i found in 30 MYO amber (probably baltic, maybe dominican) -->
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As monthes passed in 2017, i wasnt under the impression the year was that good fossilwise. But now it's over and after rewieing what i found during my different trips, i must say it has been a hell of a year. So here come most of my 2017 best finds. This is a trip in some french hunting place, mostly nothern half, From west to east, from ordovician to cretaceous. I hope you will enjoy the diversity
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From the album: In-Situ Shots(various locations)
1-12-18 Denton County, TX -
I recently found these horn corals in a road cut near Gatesville TX. I am not as familiar with Cretaceous stuff so thought yall could help me ID. Thanks
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finally got out with the wifey today at some different streams with the weather not so bad and streams frozen and found a hand full nice teeth in the first pic.......................I'm assuming the second pic is a broken worn enchodus jaw/fang if someone can confirm and also the balance of pics if someone can confirm (although) broken in half if this is reptile of fish tooth,,,,thanks
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Fossils returned to China Xinhua Net | 2018-01-13 19:01:35|Editor: Zhou Xin http://www.xinhuanet.com/english/2018-01/13/c_136893270.htm Yours, PAul H.
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I was sorting some North Carolina Cretaceous matrix this week when I saw a shape that reminded me of a Theropod tooth. I really didn't think it was because of the tiny size but when I stuck it under the microscope I saw a few serrations on the distal side. Now I'm convinced it is a Theropod tooth. I've looked up some Cretaceous lizards (Teiids and Varanids) but their teeth are different but varanids can be somewhat similar. The matrix is from a late Campanian lag deposit and most of the fossils in it are heavily abraded. This is the first theropod tooth I've found. No sign of serrations on the mesial side but they could have been worn off if they ever existed. I tried a crude count of serrations by extrapolating the number of serrations per millimeter. The count is somewhere around 8 serrations per millimeter.
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I was reading a description of Mosasaur material that made me re-think a vertabrae I considered to be Mosasaur. It is from Monmouth County NJ (Cretaceous) and does have a cone shape so I was wondering what exactly it is. On njfossils.net it gave this description (below) of Halisaurs so I was wondering if it could be this or even croc. Any help is appreciated. -Frank "The rare species, Halisaurus, has vertebrae that are distinguishable by the conical shape of the vertebrae. The main difference is that they are tapered toward the convexed end of the centrum and lack the divot of "crocodile" vertebrae."
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I went to the Waco Research Area a few days ago and found my first shark tooth and some nice ammonites. I know nothing about shark teeth, any ideas on this one?
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From the album: Best of 2017 finds - a year in review
Block of Echinocorys Gravesii from Les Petites Dalles, Normandy, France - Coniacian - collected in may 2017 -
From the album: Best of 2017 finds - a year in review
Flint Echinocorys Gravesii from Veulette sur Mer - Normandy - France - Coniacian - collected in may 2017 -
From the album: Best of 2017 finds - a year in review
Crassiholaster Subglobosus from Antifer - Normandy - france - cenomanian - collected in may 2017 -
When I was preparing my previous entry on nodosariid forams from the Pecan Gap Chalk, I originally included a specimen that I had identified as a member of the genus Dentalina. This identification was incorrect, and I edited the entry to remove that specimen. Here it is again, with what I hope is the correct identification! The genus Strictocostella is a member of the family Stilostomellidae, and this species is illustrated in Frizzell's "Handbook of Cretaceous Foraminifera of Texas" as a member of the genus Stilostomella. He also listed it as occurring in the Pecan Gap Chalk. Better images can be found on the World Foraminifera Database -- they show specimens with some very small spines around the bases of each chamber, almost what one might call "hispid". The drawing in Frizzell does not show this feature, nor does my specimen. I have not yet looked at Cushman's original description, but I am reasonably confident that this difference is within the range of natural variation. (I have seen this kind of variation on images of other stilostomellids.) I like it when I "Live and Learn!" And I'm glad that I caught the error.............
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My name is Gary L Thompson I am the sole discover of the Mosasaur Prognathadon stadtmani that currently resides at BYU, This specimen was found in Cedaredge, Colorado in 1975. It took over 40 years to get the complete casting of this mosasaur. I thought maybe this might be a story of interest for you since this is an extremely rare fossilized specimen from about 85 million years ago and the fossilized marine reptile is the only one ever found on the western side of the prehistoric sea that once covered an area ranging from Utah to Kansas and Nebraska. It was a ferocious creature approximately 35 feet long. The excavated skull bones remain the property of Brigham Young University’s Paleontology Museum." I just wanted update every one on some misleading information regarding the find and to send the most current information updates. It appears that the Genus name is probably going to change to a brand new Genus, the scientific community is still discussing this one, will try to update when that happens. BYU has now completed the entire skeleton and now have it up as of the beginning of the year. I have included current photos of it along with "My true story" and all corresponding credits for the find, scientific research and preparation of the specimen. I just thought these might be of interest to you. The photos are from the BYU webpage. My true story finding a mosasaur.docx Order of Contact and Credits.docx Original_article_1975.docx
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