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  1. Manticocerasman

    Acanthoceras rhotomagense prep

    On our last fieldtrip to France this weekend we found a chalk-boulder with a quite large ammonite in it. The chalk was realy hard, but I was able to reduce it in size to take it back home. At the start of the prep with chislle and hammer I got a lucky split where the boulder opened to reveal most of the ammonite. The airscribe then did a quick job to remove the last bits. Sadly the center of the ammonite wasn't preserved, I tried to sculpt the center as well as I could and coloured it to match the fossil. As for the determination we had a little doubt between Cunningt
  2. I'm really unsure if this is a fossil or a very oddly patterned pyrite fragment. It does bear some tooth structure to me, though no sign of any root structure per se that I can tell (with my limited knowledge). I've not been able to match it to anything readily. Geo location: Samphire Hoe, Kent, UK Site location: loose on foreshore Geological strata: Cretaceous (Cenomanian) Grey Chalk subgroup
  3. Manticocerasman

    New trip to the chalk of France

    Last Saturday, Natalie and I went for a trip to the chalk cliffs in Northern France. We got there early and we were surprised at the parking by a friend who happened to have the same idea as us . @Euhoplites So now we were 3 to hit the beach. We were quite lucky with the weather, at least dry, and not to cold for this time of the year. We did get a decent haul to, a few ammonites, a se urchin, a realy nice nautiloid. Natalie also found some pretty shark teeth. The best find for me that day was a rare and very well preserved ammonite Hyphoplites falcatus. Enjoy th
  4. This weekend we had some nice weather for this time of the year , so we went to the beaches in the north of France for a stroll with the dog and hopefully some fossils. It is a 2h drive from were we live, so we got there around 10 o’clock. That’s around the time that the tide was starting to lower again, so we had all day access to the beach. We started our walk in Sangatte, just under Calais. And went south following the Turonian chalk cliffs. After a while we spotted our 1st fossil echinoid between the flint pebbles on the beach. Further South, the retreating tide started to
  5. Hi everyone, I’ve just returned from a trip to Rocken End, Isle of Wight with some Cretaceous chalk ammonites in hand. This chalk is incredibly delicate to the point where handling is almost scary. I have the smaller things soaking in water to desalinate but I’m worried about these two items. The whole ammonite is the nicest and biggest we found (with a little ammo that already looks cracked…) and so delicate I’m worried that soaking it will destroy it? The larger block contains at least one nice ammonite and potentially more, I don’t know whether to prep it
  6. Although the Cretaceous period lasted from 145 to 66 million years ago, geologic units from the Berriasian to Albian stages and several terrestrial units of Albian to Maastricthian age are not chalky in terms of geologic composition. I remember that the Cretaceous at one time was divided into the Neocomian, Gallic, and Senonian epochs, so one day International Commission on Stratigraphy should divide the Cretaceous into the Neocomian, Gallic, and Senonian periods, since the Cretaceous lasted longer than either the Triassic or Jurassic. This is similar to the fact that American geologists divid
  7. The Amateur Paleontologist

    The giant mosasaur Prognathodon is now known from Denmark!

    A paper was recently published announcing the presence of Prognathodon in the Late Cretaceous chalk of Denmark. Prognathodon was a large, predatory mosasaur, well-known in the USA and Morocco, but known from other places e.g., the Netherlands. This new study is especially quite a big deal, because mosasaur fossils are incredibly rare in the Danish chalks. Prognathodon is now the 4th mosasaur known from the Late Cretaceous of Denmark, along with Mosasaurus, Plioplatecarpus and Carinodens. The Danish material is represented by two teeth - one of them being from the foss
  8. The Amateur Paleontologist

    Request for papers on starfish from the Cretaceous of Europe

    Hi I'm looking for some papers, could someone send me PDF copies of these? I'd be really grateful! Gale, A.S. 1987. Goniasteridae (Asteroidea, Echinodermata) from the Late Cretaceous of north-west Europe. 1. Introduction. The genera Metopaster and Recurvaster. Mesozoic Research, 1, 1-69. Gale, A.S. 1986. Goniasteridae (Asteroidea, Echinodermata) from the Late Cretaceous of north-west Europe. 2. The genera Calliderma, Crateraster, Nymphaster and Chomataster. Mesozoic Research, 1, 151-186. Müller, A. H. 1953. Die isolierten Skelettelemente der Astero
  9. I read in the book Dinosaurs: The Grand Tour that the Cretaceous period is named for the Greek island of Crete, but I wanted to ask if Crete itself has Cretaceous deposits.
  10. Jurassicz1

    Fossil fish? Sweden

    Found this in sweden malmö. The chalk is danian period 66-61 myo it looks like fish to me. The pieces are very small. If its a fish what part of it might it be?
  11. The Amateur Paleontologist

    Late Cretaceous chalk in North America

    Hey everyone I know I've been lately rather inactive on TFF; I was held back by fieldwork and other reasons (though do expect some posts about the fieldwork next weekend ). But anyway, onto what I came to talk about... Would anyone know of some good exposures of Late Cretaceous chalk in Canada or USA? I'm thinking specifically about Campanian chalk or, even better, Maastrichtian chalk.. It would be great if the exposed chalk is very fossiliferous, of course. Thanks for any help! -Christian
  12. BentonlWalters

    Mystery Chalk Fossil Imprint

    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 wal
  13. Initially, this summer we had planned to spend a week in the eastern part of France, but despite there was no official lockdown at the time and since the area had been badly strike by the pandemy, we decided to postpone that trip. Instead we organised a 4 days trip along the cliffs of Normandy. The first day we aimed to "Cap de La Hève " near Le Havre. The rocks are from the cenomanian We didnt find that much, but all in all we still managed to grab a few nice echinoids and brachiopods. Some samples of the very small Discoides subuculus (1 cm for the biggest) :
  14. AlexTud

    Please help with some clues

    Hello, I found this inside a loose chalk boulder on the Eastbourne shore. Based on the colour of the chalk it appeared to be from the upper cliff levels, perhaps cretaceous levels.
  15. Kosmoceras

    Watznaueria barnesiae

    Image taken in cross polarised light using an oil-immersion objective lens at 1000x magnification. One of the smallest fossils ever posted on TFF.
  16. Bob123bob123

    Beachy Head fossil?

    Hi, sorry i know nothing about fossils but found this curious round egg-shaped thing inside chalk near Beachy Head, Eastbourne, UK. The nearby clay had some similar round dark brown items inside. Any ideas what this is?
  17. Hi everyone! I haven’t been on here, or posted In FOREVER. These rocks were in a creek bed in Devine TX. When I found a pocket There was a soft sometimes liquidy sometimes dryer Chock like substance. There was three colors. Red, orange, and almost yellow. Is this what the cave drawings were made with?!?! I don’t have good pictures of the chalk stuff right now bat can get them later.
  18. brian alabaster

    flints or something more interesing?

    Hi We found these and picked them up on the basis they dont look anything like the flints in this ground. So not what they might be, any info would be appreciated like the other finds these were in a shallow valley in east suffolk under 1.5m of flinty sand and on top of or in the top layer of heavy grey clay with some chalk and slint in it.
  19. Nicole99

    Hunstanton fossil find

    Hi all, I was hoping for some help with this. Is it a fossil? It’s quite worn so I’m not expecting a detailed ID but some suggestions would be fantastic. I found it at Hunstanton which is chalk or Cretaceous age. I’ve also found lots of brachiopods and echinoids at this locality.
  20. brian alabaster

    second find

    We found this in a pond we have dug on the site of an old pond at the juncture between the clay infill and the undisturbed clay under the old pond. depth 1.75m. Heavy clay with flint and chalk in it location Suffolk on boulder clay in the bottom of a very shallow valley I thought it was man made as it was so detailed but my my son and friend think it is a fossil so here are the pictures against a ruler showing inches and centimeters
  21. Hey everyone, hope you're all doing well! From what I've read, small shark/fish teeth can be occasionally encountered by dissolving samples of chalk/limestone in acid. I read Jeppsson et al's 1999 paper on using buffered acetic acid to extract phosphatic fossils (in my case shark teeth), but the method outlined is not that simple and requires access to certain laboratory equipment I don't really have access to right at the moment... All I have is some cheap white vinegar, and some trays and tins I've got some samples of chalk from the Late Cretaceous of Møns Klint, a f
  22. Whisky Mac

    Small but perfectly formed

    I live in Thanet, England - classic White Cliffs country, chalky and flinty. Found this amongst the gravel in my driveway, so may be local, might not. Centimetre rule, so about 3 cm by 2 cm by 2cm.
  23. The Amateur Paleontologist

    Need help in identifying problematic fish bone

    Hey everyone Hope you're all doing well! While looking through unprepped/untouched blocks of chalk from last year's fieldwork session in the Late Cretaceous of Møns Klint (Denmark), I found one block that showed a little trace of fish bone. I scraped a bit around it with some dental tools, and managed to reveal the whole fossil. And I'm having quite some trouble identifying it... Could anyone help me? I've included pics and details of the specimen below. Pics: Note especially the 'ridges' in the upper half of the fossil Full detai
  24. Fossil hunting in the shed like many of us - I thought I'd lost this nice globular rhynchonellid in a house move years ago. From the top Campanian/bottom Maastrichtian Chalk of Norfolk, UK. I think it's Cretirhynchia sp.
  25. Found this rock in Wisconsin US near Lake Michigan. At first I thought it was a collection of bones but looking closer I just don't know.
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