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Showing results for tags 'Cenomanian'.
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We are back from a very windy fieldtrip to Cap blanc Nez in France. The wind covered a lot of the rocks with sand and sea foam ( https://en.wikipedia.org/wiki/Sea_foam ) which made fossil hunting rather difficult. We were helped by a local collector in the morning who guided us through the Turonian deposits of this site where we rarely colect, here we got 2 big ammonites. One of them was a Mamites nodosoides, this species as been on my wishlist for a while, so I am very happy with it In the afternoon we prospected the Cenomanian side. her we found the usual Mantelliceras and Scloenbachia ammonites. The prospecting site: ( we did see the coast of the UK on the other side of the channel ) Some of the ammonites we found: The Mammites: pictures of the prepped specimens will follow during the next week.
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This weekend Natalie found an intriguing fossil: a Hypoturrillites whit an epibiont on the shell. I've rarely seen this kind of association and it makes me wonder if the epibiont was already on the shell when the ammonite was alive or dit it grow on it after it fell on the sea floor. If anyone has papers on the subject it would be greatly apriciated ( @doushantuo maybe? )
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Coprolites? Collected near scales, teeth and fish vertebras. It sticks on tongue but aren't visible biological inclusions. Your opinion please.
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cleaning and preparation of the cephalopods from last weekend
Manticocerasman posted a topic in Fossil Preparation
I just spend the evening cleaning and preping some of the cephalopods I found last weekend. those are all from the cenomanian at the French coast. A couple of nautiloids ( Eutrephoceras sp. ) A couple of turrelites and a Manteliceras sp.
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Hi, a friend of mine told me he found some Placentyceras in a place where the geologic ages go from the Albian to the Turonian-Santonian, but most of the stratas of that place are Cenomanian. I believe this fossil is not an ammonite, but rather an Oyster or a rudist. I mostly think about Requienia or Toucasia. The geologic file mention the name of Toncasia bayleia. Do you know if Toncasia is a synonym of Toucasia and do you think i'm right thinking this is a rudist ? Lenght : 7 centimeters.
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new cenomanian ammonite prepps and restauration
Manticocerasman posted a topic in Fossil Preparation
on the last fieldtrip from this saturday I got a new batch of ammonites to prepp: the first one was realy easy to prepp, it was a small but well preserved Schloenbachia varians. next up is a Mantelliceras, I broke it in 3 pieces when extracting it from the chalk. I let the specimen dry at home and glued the pieces back together, I then prepped the specimen. After this step I grinded the some matrix residue left from the matrix and mixed it with a little bit of water and PVA glue, I used this mixture to fill and restaur the gaps in the ammonite. once dry I gave the ammonite a Paraloid B72 treatment for consolidation. I'm very pleased with the results
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A distal caudal vertebra of a Spinosaurid. What's slightly unusual about this vertebra is that it's slightly more slender than most Spinosaurid caudal vertebrae, which have a more square shaped centrum as seen from the lateral side. I am currently uncertain whether this is individual variation or that it might be taxonomically significant.
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Partial right shoulder blade of a Spinosaurid. Very similar to that of the neotype skeletal reconstruction of Spinosaurus aegyptiacus. There are several large gnaw marks on the lateral side of the bone.
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Hello all At a fossil fair last sunday, I obtained a lot of Kem Kem fossils. Some look very interesting (skull parts, turtle carapace...) but I can't ID them very well since they are still covered in matrix. Now this matrix actually exists out of cristals that resemble aragonite. I have no idea how to prep these without damaging the specimens. I have about 10 specimens I want to get cleaned up, but unless this is very easy, I don't dare this. Any place where I can get these fossils prepped? Greetings Thijs
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a very windy fieldtrip in the North of France
Manticocerasman posted a topic in Fossil Hunting Trips
This Saturday Natalie and I hit the road towards the jurassic and cretaceous clifs in the North of France. This is a 2h trip from where we live, so we left early to make most of the use of the favorible tides on those beaches. the 1st stop were the Titonian deposits near Wimereux, not the most easy place to find fossils, but with patience some nice fossils can be found. Th big problem although on this trip was the wind... this made it relatively hard to search for fossils. we did manage to find a couple of jurassic ammonites, one of them was more than 30cm in diameter but needs a lot of cleaning. In the afternoon we went to the beaches at the cretaceous clifs near Calais. here again the wind gave us a hard time blowing a lot of sand in the air. Although the harsh conditions we did find a few decent cenomanian ammonites, including a nice heteromorph turrilites sp. pictures of the Titonian deposits and finds: pics of the ammonites of the cretaceous site:
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Hello All I prepped this fossil today. First decent prep job so I am extremely happy I could do this. The fossil is from the Kem Kem beds and is nearly completely hollow. Before I prepped it it didn't look this hollow, so I tough it would be a vertebra. Now I think it's a skull part. I have no idea from what or from what part this is. What do you all think? It's not that big, about 10 cm. @LordTrilobite, @Troodon, @Haravex Thanks already for your help. Greetings.
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Cenomanian ammonites part 2 ; Mantelliceras saxbii and Schloenbachia varians
Manticocerasman posted a topic in Fossil Preparation
this evening part 2 of the preppwork on the ammonites we found this weekend: Next up is a Schloenbachia varians of the Cenomanian of Cap blanc Nez in France: work in progres: the end result: the 2nd one of the evening was a Mantelliceras saxbii found by Natalie from the same location: The specimen is a little compressed and I thought that the center wasn't preserved, I was wrong. Work in progres: the end result: both specimens:
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Cenomanian ammonites prepp: Mantelliceras and Hypoturrilites
Manticocerasman posted a topic in Fossil Preparation
The compressor is fixed (more or less ) so I prepped 2 of the ammonites we found this weekend. First one was the Hypoturrilites sp. : work in progress : the end result 2nd one is the Mantelliceras mantelli with inoceramus found by Natalie81 work in progress: the end result: both specimens, ready to go in the display cabinets
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I thought I would check out a small exposure of what I think is Buda formation, I wasn't expecting much but I thought maybe I might get lucky, boy did I. The most interesting finds were two crab carapaces IDed as graptocarcinus texanus, (thanks Dan) enough talking, pictures!
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Is this a chain coral between the sutures of the ammonite Metoicoceras? About 4mm long (photo taken thru microscope). From the Cretaceous (Cenomanian) Tropic Shale in Utah.
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Burmese amber is around 99.6 mya. There are various other inclusions in this piece. Edit: According to Danilo Harms from the University of Hamburg, this is a juvenile Chernetidae member.
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Dear TFF members, Expert opinions please. Thank you, Ricardo
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Collected on C level.
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From the album: Echinodermata
2.5cm. diameter. Early Cenomanian, Late Cretaceous. From Falaise du Cap de la Heve, Normandy, France. -
Collected on D level. Matrix length: 14 cm. Test diameter: 2,5 cm. With some spines.
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- goniopygus menardi (desmarest 1825)
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Scale pattern Id: Cenomanian (cretaceous reptile skin) In Burmese amber.
Amber Fluid Neutral posted a topic in Fossil ID
I need help with this scale pattern. Snake or lizard? Cenomanian cretaceous.jpg.9dae5c8b231a8a9956e41a78f501325d.jpg)
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Feather in cretaceous burmite amber? Cenomanian, Kachin State clay pits.
Amber Fluid Neutral posted a topic in Fossil ID
On the surface this looks like a feather but i don't know if there are any plants that look like this. Here are the pics. Piece extracted from the cenomanian clay pits. Dated by argon from volcanic crystals on strata to cenomanian age late cretaceous..thumb.jpg.36b627dba47f5b9f1e1579f70cfc7f25.jpg)
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Do you think this is a bird or reptile?
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Lizard tail in Cretaceous Burmese Amber Kachin State mines
Amber Fluid Neutral posted a topic in Fossil ID
Although lizards are prime material for fakers, i think this tail is authentic. It is an unusial cast fossil. Kind of like a ghost form. It seems that the tail became detached. Much like they do today. This is cenomanian age amber. From Myanmar kachin state..thumb.jpg.dd27c83303bd6933dd56b4d6e9614581.jpg)
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I need help in identifying this. Is it a mushroom in Cretaceous burmese amber? Cenomanian burmite from machine state?
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