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Showing results for tags 'oxfordian'.
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From the album: Late Jurassic gastropods of European Russia
A rare Purpurinidae gastropod. Moscow Oblast, Shchurovo quarry, Middle Oxfordian, tenuiserratum zone. 1 cm -
From the album: Late Jurassic gastropods of European Russia
A rare Anoptychiidae or Gordenellidae gastropod. Moscow Oblast, Shchurovo quarry, Middle Oxfordian, tenuiserratum zone -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast, Shchurovo quarry, Middle Oxfordian, tenuiserratum zone. 6 mm. Uncommon Maturifusidae gastropod -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast - Shchurovo quarry, Jurassic - Middle Oxfordian, tenuiserratum zone -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast - Shchurovo quarry, Jurassic - Middle Oxfordian, tenuiserratum zone -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast - Shchurovo quarry, Jurassic - Middle Oxfordian, tenuiserratum zone -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast - Shchurovo quarry, Jurassic - Middle Oxfordian, tenuiserratum zone -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast - Shchurovo quarry, Jurassic - Middle Oxfordian, tenuiserratum zone -
Hello. I found this scleractinian coral fossil in the Hanifa Formation in Saudi Arabia which dates back to the Oxfordian, Jurassic. It doesn’t seem to be mentioned in scientific papers and I think it could be a new species. If so, what family and genus is it. Thank you!!
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From the album: Late Jurassic gastropods of European Russia
Moscow Oblast, Shchurovo quarry, Middle Oxfordian, tenuiserratum zone. -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast, Shchurovo quarry, Middle Oxfordian, tenuiserratum zone. -
From the album: Late Jurassic gastropods of European Russia
Moscow Oblast, Shchurovo quarry, Middle Oxfordian, tenuiserratum zone. The dominant gastropod species -
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Fossil hunting weekend to Falaises des Vaches Noires (Jurassic of France) + museum visit
ziggycardon posted a topic in Fossil Hunting Trips
Hi everyone! Last week we went on a weekend trip with our fossil club the BVP to go on a fossil hunt to the jurassic clay cliffs "Falaises de Vaches Noires" between Houlgate & Villers-Sur-Mer in Normandy, France. https://www.paleontica.org/locations/fossil/68 The famous cliffs of Vaches Noires date back to the Jurassic period, and span both the Callovian & Oxfordian stages (166 - 157 mya) and the Cretaceous period spanning the Cenomanian (100 - 94 mya). Back in the jurassic this area was a rich marine environment and fossils that can be found here are man- 30 replies
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From the album: Russian Upper Oxfordian ammonites
Moscow Oblast, Bronnitsy, Rybaki. D 10 cm. Mostly pyritized -
From the album: Russian Upper Oxfordian ammonites
Amoeboceras tuberculatoalternans, a rare thick species, with 2 common specimens. Moscow Oblast, Bronnitsy, Rybaki. Serratum ammonite zone. 2 cm, pyrite -
From the album: Russian Upper Oxfordian ammonites
Uncommon smooth shell species. Moscow Oblast, Bronnitsy, Rybaki. Serratum ammonite zone. 3 cm, pyrite-
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From the album: Russian Upper Oxfordian ammonites
Moscow Oblast, Bronnitsy, Rybaki. Serratum ammonite zone. 1,8 cm, pyrite -
Taxonomy from Lynne Bean 2021. Archaeomaene tenuis can be easily distinguished from the much more common Cavenderichthys talbragarensis by the more posterior dorsal fin. Diagnosis for Archaeomaene tenuis from Bean 2021 (modified from Woodward 1895): “ Same as family with the following additional characteristics. The supraorbital sensory canal has branched (ramified) tubules [*]. The dorsal fin is placed opposite to the anal fin. Pelvic, dorsal and anal fins are without fringing fulcra [*]. There are six uroneurals; the epaxial margin of the caudal fin has a few long basal fulcra and long f
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From the album: My collection in progress
Gryphaea dilatata Sowerby, 1818 Location: Villers-sur-Mer, Normandy, France Age: 163-157 Mya (Oxfordian, Upper Jurassic) Measurements: 7x7x7 cm Kingdom: Animalia Phylum: Mollusca Subphylum: Conchifera Class: Bivalvia Subclass: Pteriomorpha Order: Ostreida Family: Gryphaeidae -
From the album: My collection in progress
Cleoniceras sp. Parona & Bonnarelli 1895 Location: Atsimo-Andrefana, Madagascar Age: 157 - 155 Mya (Oxfordian, Upper Jurassic) Measurements: 4,5 cm (diameter) Kingdom: Animalia Phylum: Mollusca Subphylum: Conchifera Class: Cephalopoda Subclass: Ammonoidea Order: Ammonitida Suborder: Ammonitina Family: Hoplitidae The ammonite is iridescent. In some parts is visible the elaborate ammonitic suture pattern. -
Hi everybody, i need help to identify that Oxfordian Perisphinctidae i found yesterday in a quarry of Charente, South-West of France. I think it could be a Zigzagceratinae indosphinctes, but that's only a supposition. I also thought it could be a choffatia, but i don't know if they can be that big (an important part of it is lacking) as you can see on the second pic with my friend's hand as scale. The scale on the first pic is in inches. Thank you for your help.
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- oxfordian
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Gastropods with calcite crystals from Oxfordian stage (163,5 mln years)
Svetlana posted a topic in Member Fossil Trades Bulletin Board
Hello everyone. I offer interesting gastropods with calcite crystals - perhaps someone will be interested I have a lot of them. Pseudomorphoses of calcite after gastropod shells of the genus Nerinea from Upper Jurassic limestones of the Oxfordian stage (Izyum Formation J2-3iz); 163,5 mln years. Ukraine, Donetsk region. I'm interested in everything - I invite you to private messages Have a nice day VID_20220122_135535.mp4 VID_20220122_135732.mp4 -
Hi all! This is a small trip report from a quarry by the town of Mikhaylov, Ryzan Oblast, situated in 200 km from Moscow. The place is very well known among the public interested in fossils, especially ammonite collectors. There are 4 quarries in a tight group, operated by different companies. Mikhaylov quarry is the most famous of them. The experience is very similar to that of other Callovian - Oxfordian quarries (in my previous reports), but ammonites suddenly take the place of gastropods! Pretty exciting, isn't it? Unfortunately there are not many spoil piles as Jurassic overburd
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Taxonomy according to Hao et al 2009. Hao et al. 2009, p223: “Revised diagnosis: Body length: 6-13 mm: wing length 8.2-15.6 mm Sc ending at wing margin approximately the same as R4+5 forking into R4 and R5; R1 long, r-r at one -third of its length before the end of R1; R2+3 shorter than R3; R4+5 short, R4+5 fork six times longer than dR4+5. M1 smoothly curved, m-m joining close to M1+2 bifurcations. M3+4 with a little bend at m-m. CuA slightly sigmoid beyond m-cu; A1 strongly curved to wing margin in two-thirds of its length.” Wing line drawing from Hao et al. 2009, p.225:
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- tff-oilshale-ar2535
- inner mongolia
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My first hunt at Liesberg, Switzerland, on October 24th
pachy-pleuro-whatnot-odon posted a topic in Fossil Hunting Trips
Last sunday October 24th I decided to visit the old Andil clay quarry at Liesberg in Switzerland, just over two hours driving from where I live, to see what fossils I might find there. Now a nature reserve where collecting is tolerated as long as the natural parts are not disturbed, the deposits at this quarry, mined for cement production between 1934 and 1980, date to the Upper Callovian and Lower to Middle Oxfordian (source). It is thus stratigraphically - though not petrologically - comparable to the geology of Vaches Noires in Normandy, with which I'm much more familiar, albeit with the in- 18 replies
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- sea lilies
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