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Showing results for tags 'bajocian'.
Found 212 results
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Sonninia sp. (Bayle 1878) + Hyperlioceras discites (Waagen 1867)
Ludwigia posted a gallery image in Members Gallery
From the album Middle Jurassic Ammonites from Southern Germany
11cm. + 10cm. ovale Zone Early Bajocian Wedelsandstein Formtion Found in the Wutach area -
From the album Middle Jurassic Ammonites from Southern Germany
11cm. ovale Zone Early Bajocian Wedelsandstein Formation From the Wutach area. With an Entolium demissum bivalve attached on one side. -
From the album Middle Jurassic Ammonites from Southern Germany
20cm. Phragmocone. Wedelsandstein Formation Early Bajocian ovale Zone From Wutachtal-
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- bajocian
- hyperlioceras
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From the album Middle Jurassic Ammonites from Southern Germany
20cm. Wedelsandstein Formation Early Bajocian ovale zone Found in Wutachtal -
My customer brought me another challenging assignment the other day. It's a combination of 2 different ammonite species in one block, something quite rare for the ovale zone in which it was found. Here's what I started with. There was a lot of matrix to be removed, so off we went. Here's what it looked like after a couple of hours with the scribes. Now you can roughly see the positions of the two ammonites. I never cease to be amazed at how abrading can reveal the beauty of fossils. Now the Hyperlioceras can be clearly seen on the left. There was still a bit of shell clinging to the venter at 6 o'clock, but I managed to scribe it off with minimal damage which I'll conceal later with a bit of epoxy putty. I then returned to the scribe and trimmed off most of the matrix from the Sonninia. The oyster which is sticking to it was also removed after I took the photo. The last thing I did today was to abrade the Sonninia. Sometime tomorrow I'll get down to trimming the matrix to give the block an aesthetic shape, smoothing it down and finalizing things. I promise to post the end result when done. By the way, the Hyperlioceras has a diameter of 18cm. and the Sonninia one of 11.
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This past Sunday, I decided to pay my friend a visit at his workplace in the Wutach valley which I reported on recently. I left home a few hours earlier than he did since I wanted to visit a site on the way which another friend had told me about. This was off of a steep path through the woods which I had never taken before, so I was looking forward to excercising my calves and thighs. The way took me a kilometer or so uphill until I reached what appeared to be the pinnacle, which was where the exposure in the humphriesianum zone was supposed to be which I had been looking for. Up to that point I had hardly noticed any exposures, so I was happy to discover an approximately 20 meter long one here just below the path. Downed the knapsack, pulled out the tools and went at it. After a few minutes, however, I noticed that I obviously hadn't reached the highest point, since I was digging in the Aalenium, the epoch where I feel most at home, so it works like a magnet on me. Surprise, surprise. Funnily enough, I ended up making my best finds here. Spent about 2 hours prying away at well-weathered rock which obviously had not been touched by collectors for a good long time. I think I'll come back soon for another visit. Anyway, I carried on afterwards up the hill and eventually found the exposure I had been originally looking for. Spent an hour or so exploring it, but didn't come up with any ammonites as I'd been hoping. Did find a nice bivalve however. After I was done there I headed on over to my friend, a brisk walk of a couple of kilometers through the woods over flat land. Just a bit of downhill slipping and sliding at the end to get to him. Good thing I could hear him hammering since it wasn't all that easy to orientate myself for all the trees and shrubs. Then I just relaxed, drank a lot of water and watched him sweating at it. He'd had enough after an hour or so, so we made our way together down to his car and he drove me back to mine, which was a welcome relief for me. Here are the finds I made, already prepped and finished. The first is a Ludwigia haugi, my avatar, the next ones are Ancolioceras opalinoides and finally the bivalve from the humphriesi oolite, a Ctenostreon proboscideum.
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From the album Middle Jurassic Ammonites from Southern Germany
40cm. Prepared and restored for a friend by yours truly. trigonalis zone Early Bajocian Found in the Wutach Valley- 1 comment
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- fissilobiceras
- bajocian
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From the album Belemnites
This rostrum measures 38cm., although it is not quite complete, so it could have been up to 50cm. long originally. The name of the species used to be M.gigantea until it was revised a few years ago, which I find to be more suitable for this behemoth, the largest belemnite ever. It originates from the Bajocium in the Wutach Valley, southwestern Germany. -
From the album Cephalopods Worldwide
9.5cm. discites zone Early Bajocian Middle Jurassic From Beaminster, Dorset, UK -
Hyperlioceras (Toxolioceras) cf. walkeri (Buckman 1889)
Ludwigia posted a gallery image in Members Gallery
From the album Cephalopods Worldwide
8cm. discites zone Early Bajocian Middle Jurassic From Bradford Abbas, Dorset, UK -
From the album Cephalopods Worldwide
8cm. sauzei zone Bajocian Middle Jurassic From Sherborne, Dorset, UK -
From the album Gastropods and Bivalves Worldwide
A grouping of 3x Pyrgotrochus bessinus and 4x Pyrgotrochus macrocephali on a block measuring 17x11x10cm. P.bessinus has a conical form and P.macrocephali is shaped like a lentil. sauzei zone Early Bajocian Middle Jurassic From Sherborne, Dorset, UK-
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- bajocian
- pyrgotrochus
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I've mentioned in past threads that I occasionally do some prep work for a British paleontologist who hasn't the time to do the work himself. He always sends along some raw material from mostly southern English sites in exchange for the job. He knows that I like gastropods, so this time he included a nice rock, chock-a-block with various Pyrgotrochus species. Sort of like raisins in cookie dough. I didn't think (as often the case) to make a "before" photo, but I can at least show you the final result, with which I'm very pleased. 7 samples of Pyrgotrochus bessinus and P.macrocephali in a block 17x11x10cm. in size out of the sauzei zone, Early Bajocian from the region around Sherborne, Dorset.
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From the album Gastropods and Bivalves Worldwide
4.5cm. diameter. 4cm. long. Irony Bed, humphriesianum zone Bajocian, Middle Jurassic From Sherborne, Dorset, UK -
From the album Middle Jurassic Ammonites from Southern Germany
28cm. ovale zone early Bajocian A rare find from Wutachtal. This is just the phragmocone from what once quite a large example. -
From the album Gastropods and Bivalves Worldwide
3x3cm. humphriesianum zone Bajocian Found at Évrécy, Normandy, France -
From the album Cephalopods Worldwide
15.5cm. humphriesianum Zone Bajocian Middle Jurassic Found at Bridport, Dorset, UK -
From the album Gastropods and Bivalves Worldwide
5cm. Shell as calcite replacement. laeviuscula zone Early Bajocian Middle Jurassic Found at Sherborne, Dorset, UK -
Our Moroccan trip from 19th-23rd February 2019. Day One; Locality One IFRANE Here we are near Ifrane, a village built by the French in the 1930's in a Swiss chalet style so there are pointy roofs instead of the usual traditional flat roofs of Moroccan buildings. This is wifey and Anouar, a Moroccan tour guide, old friend and one time student of English, his brother, our driver Abdullah, is taking the photo. Anouar paid for the trip, accommodation and food in return for me teaching him a little about the fossils, crystals and minerals that we encountered. The trip was mainly an exploratory voyage for me to discover where was worth revisiting when i was alone and had more time to spare. Somewhere in this area are outcrops of Pleinsbachian (stage of the Liassic/ Lower Jurassic) rocks that are stuffed with terebratulid brachiopods including more than a dozen species and subspecies that were first described from this locality, many unique to the site. Unfortunately, it's well off the beaten track, but I think i know roughly where now, so will return another day. Not time today! The area is covered in loose rocks, ploughed up in fields and roadbuilding, eroded from outliers or washed into the area in the autumn rainy season floods or spring melts. The ones behind us look Middle Jurassic to me, yellowish limestones, some with iron staining. Upper Jurassic and Cretaceous rocks are also in the region. The high ridges in the background are basalt intrusions as the Atlas mountains were formed as Africa began to collide with Europe throughout the Palaoegene and Neogene and this resulted in a lot of volcanoes. We moved on north of the village and stopped where we saw a group of the local fossil huts. These are all year round businesses, but in the season, from May til October you will find little stalls selling local fossils and minerals all the way along the route through the Atlas Mountains to the Sahara. But the temporary stalls are all closed at this time of year, as it's pretty chilly and there are few tourists. Top Tip : Always pop into a couple of different shops and check out prices. Tell the next shopkeeper how much the previous one had stated and see if they'll undercut for a similar item. Always, always haggle! Top Tip : Ask which fossils and crystals are local if you don't know already; most of the shops in Morocco have local fossils and others from all over the country. Local fossils will usually be much cheaper, wait until you get nearer to the localities of other fossils and see the prices come down! Top Tip : If you have the time, ask the purveyors of local fossils to show you where they came from. Then go and have a look. They don't mind this at all.
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From the album Belemnites
8cm. From the Early Bajocian discites zone in the Wutach Valley.-
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- bajocian
- eocylindroteuthis
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A perfect gift I reckon - I won this on the usual auction site a couple of weeks ago and was allowed to unwrap it today. It's a 22", 3.3lb Megateuthis suevica (formerly gigantea). (They do get longer, supposedly well over 30", even a yard. One day...) It's now probably the star attraction of my belemnite collection (roughly a thousand specimens). I have collected the same species in the UK but I've not heard of any reaching this sort of size here, about 14" being the maximum I know of. My longest Yorkshire coast one, 10", is shown in photo 3. Middle Jurassic, Bajocian, reportedly from the Subfurcatum Zone (they're usually Humphriesianum, the zone below), temporary roadworks near Osnabrück, N. Germany, 1985. With 10" Yorkshire, UK specimen from the Scarborough Formation.
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- subfurcatum zone
- suevica
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From the album Best of 2018 finds - a year in review
Stephanoceras sp : an ammonite from Nanteuil quary. -
From the album Cephalopods Worldwide
13.5cm. romani subzone humphriesianum zone Bajocian Middle Jurassic From Sherborne, Dorset, UK-
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- bajocian
- dorsetensia
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From the album Cephalopods Worldwide
10.5cm. sauzei zone Early Bajocian Middle Jurassic From Sherborne, Dorset, UK-
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- bajocian
- strigoceras
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From the album Brachiopoda
2.5cm. humphriesianum zone Bajocian Middle Jurassic From Sherborne, Dorset, UK-
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- bajocian
- sphaeroidothyris
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