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Showing results for tags 'jurassic'.
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I've been living in Chinese Camp, California for five years. I wouldn't have moved here except that I took my wife and two children looking for ammonite fossils. We found none that day, but we ended seeing an old country store for sale (only business in the abandoned town) and eventually bought it and live on the property. The fossils around here are all late Jurassic, but because of the forces that created the Sierra Nevada mountains, the fossils are very rare and in poor shape. Finding a whole ammonite, no matter small is a cause for great celebration, but this doesn't dampen my enjoyment at all. For several years we found some ammonites and a few Buccia (Jurassic brachiopod) but on rare occasions we found something long and tapered. I founds parts of these and they were segmented so I suspected belemnites. They are never (never ever) found alongside (in the same layers) ammonites, but they are in the same general formation (Mariposa Formation). Here are the fist ones I found, when I wasn't too sure what they were:
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
insect are not common in this region, they are not easy to be seen and to identify. A rare and hugh one is the water bug Mesobelostonum deperditum, this is around 3 cm© fossils worldwide
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
thats the one I showed before under daylight© fossils worldwide
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
This is Aeger spinipes in "normal size", around 11 cm. Very often the antennae are not preserved or only in parts© fossils worldwide
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
sometimes the best way to prepare Solnhofen-Fossils is to do it under blue light. This works perfect with nearly all crustaceans, vertebrate-fossils and some more. This one is fresh from the prep and needs finshing, huge Aeger spinipes (around 18 cm) from Eichstaett© fossils worldwide
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
this is the huge 18 cm Aeger spinipes I showed before as UV-Light-pic. You see..., its easier to prep with blue light© fossils worldwide
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Jurassic, Callovian, Oxford Clay, Peterborough Member This has enamel, and is the colour I associate with fish remains. Enamel made me think dentition or scale of some kind, but I'm puzzled by the shape. It has a couple of prominent tubercles, which made me think teeth or scale. Any pointers would be greatly appreciated.
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I wasn't sure where to put this, but it's in the news so I went for here. Beautiful street art of the Rutland Icthyosaur. https://www-bbc-co-uk.cdn.ampproject.org/v/s/www.bbc.co.uk/news/uk-england-leicestershire-61436489.amp?amp_js_v=a6&_gsa=1&usqp=mq331AQIKAGwASCAAgM%3D#aoh=16528085406238&csi=0&referrer=https%3A%2F%2Fwww.google.com&_tf=From %1%24s
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Jurassic, Callovian, Oxford Clay, near Yaxley, Cambridgeshire. The first fossil I picked up thinking it was a new echinoid spine, but under the microscope its structure looks quite different to the others I've found, and I'm wondering if it might be part of a fish spine. Those are my two best candidates for this. I would appreciate any opinions or suggestions. The second I think is the mould of a belemnite phragmocone, with some of the aragonite still attached. Every second bar on the scale is a mm.
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
a rare and beautyful "Besenfisch" Amiopsis lepidota in nearly perfect condition, Solnhofen-Area, around 18 cm, no restaurations, no coloration© fossils worldwide
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Hello to all. Some photos from a recent trip. Nature is waking up, and the accompanying finds are pleasing to the eye.
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
the "Floating Crinoidd", Comaturella pinnata GOLDFUSS 1886. In the slab limestones you can find many free-swimming crinoids, Saccocoma pectinata. These are small and cover entire strata. Rare are other crinoids, such as this beautiful comatulid "Comaturella pinnata" with a height of over 13 cm. Comaturella lived suspended in the water column and could actively change direction. Complete specimens are rare© fossils worldwide
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the oldest jurassic ammonites you can find in Germany are Psiloceras. Its the earliest Ammonit in the Jurassic ever. A very "boring one", no or less fine ribs, no spikes... But great and not easy to find. This nice slab comes from northwestern Germany, Horn-Bad Meinberg. from a road construction in the 80th of last century
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So I split a slab at home and this showed up. Unfortunately compressed and a bit splintered, but negative and positive. Found in Helmsdale, Scotland. Jurassic marine sediment. It looks like a claw, but I also saw see hybodont claspers and squid hooks with this shape. Any ideas?
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
rare and beautyful: Dragonflies. But, not easy to identify... Details in the wing-structure, length of upper to lower wing... this is one we did not find the right name yet. Might be a small Cymatophlebia, but... Size is around 6 cm, Eichstaett edit: we got the name, a rare Nannogomphus, great!© fossils worldwide
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From the album: Fossils from the Plattenkalke of the Altmühl Valley
Fossil jellyfish are rarities. They are soft, consist almost only of water and have no substance that fossilises well. They are very rare in the Plattenkalken, but some have been found over the centuries. Even rarer than jellyfish are medusae. One of these specimens, which is rarer than a pterosaur, is shown here. An almost complete specimen of Hydrocraspedota mayri, about 18 cm in diameter. Found in Pfalzpaint© fossils worldwide
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From the album: Skeleton models
Jurassic China Modified after Epidexypterix from Lomouth© Jan Frost
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Tuataras May Have Originated as Early as 190 Million Years Ago
Oxytropidoceras posted a topic in Fossil News
Tuataras May Have Originated as Early as 190 Million Years Ago Enrico de Lazaro, SciNews, March 4, 2022 The open access paper is: Simões, T.R., Kinney-Broderick, G. and Pierce, S.E., 2022. An exceptionally preserved Sphenodon-like sphenodontian reveals deep time conservation of the tuatara skeleton and ontogeny. Communications biology, 5(1), pp.1-19. Yours, Paul H.- 3 replies
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In 1975 it was possible to dig in middle jurassic sediments in the center of Hannover-Mühlenberg. During the construction of a subway, rocks from the Middle Dogger were tapped. There were many fossils to be found like this very beautiful 8 cm Macrocephalites macrocephalus. Perfect condition
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Some samples of the Sinemurian stage of the Jurassic period
Svetlana posted a topic in Member Collections
Hello all. After a long break, I would like to show some examples of the Sinemurian Jurassic from my collection. The Sinemurian Stage (Sinemur) is a stratigraphic subsection, the second from the bottom stage of the lower section of the Jurassic system of the Mesozoic era. Covers time from 199.3 ± 0.3 Ma to 190.8 ± 1.0 Ma. As far as I know, these fossils are not very widespread. Arietites (Coroniceras)?.. I am not sure about these ammonites -
I preped this nautilus fossil recently, Wondering if the damage on the shell was caused by predation? And is it Cenoceras sp.? Thanks Information about this: location:Gard,France age: Jurassic
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Just spotted this on the beach, thinking it looks like ichthyosaur shoulder bone or something, don’t want to carry it if it’s just a lump of wood though. What are your thoughts? Already seen a rib in one boulder, a vert in another and collected a piece of possible jaw and another bone. Thanks for looking. IMG_1730.MOV
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