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Showing results for tags 'callovian'.
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Kepplerites (Toricellites) cf. lahuseni (Parona & Bonarelli 1895)
Ludwigia posted a gallery image in Member Collections
From the album: Middle Jurassic Ammonites from Southern Germany
3.5cm. koenigi zone Callovian From the Wutach area. -
I just couldn't resist revisiting the Callovian site again which I recently reported about here. I was figuring on removing some more overburden to get back in at the productive layer. To this purpose I brought along my heavy pickaxe this time. That saved a lot of wear and tear on the wrist, although my elbows were beginning to ache a bit later on in the day, but that was no worse than playing a couple of sets of tennis As usual, my first finds were little stuff. But then the hope-for big one appeared. It also wasn't quite complete in the end, but I'm pretty sure I'll be able to restore the missing parts once I get down to it. I had already begun to hear thunder in the distance as I began working on this and it was starting to get closer. So at this point I figured that my collecting day was soon to come to an end and started packing things away. But as luck would have it, it was just a bunch of noise and nary a drop of rain fell for the rest of the day. I managed to dig out another large ammonite which looked quite promising even after I had removed most of the overburden.
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From the album: Middle Jurassic Ammonites from Southern Germany
8cm. herveyi zone Rotes Erzlager Early Callovian From the Wutach Valley -
This specimen was found in the Harrison Lake area of southwestern British Columbia, in beds reliably dated late middle Jurassic (Callovian). It appears to be a bivalve shell with two large protuberances emerging from it. The wood-boring bivalves Pholadacea come to mind, but, since I have no record of anything like this from the area, and no experience with these forms, I welcome your comments and suggestions.
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One of my customers is keeping me quite busy lately. Last week he brought me among other things a relatively large, 22cm. diameter Callovian Choffatia ammonite from the Wutach Valley with another few smaller ones plus a belemnite attached. He asked me to send him play-by-play photos, which I did, so I figured I might just as well show them to you guys as well. Here are pics of both sides in the raw. As you can probably tell, it was extracted in 3 pieces which he glued back together. You can barely see the belemnite on the right in the middle of the first photo and the smaller ammos are at the bottom right in the second one. First step was to remove as much matrix as possible with the stylus, but soon after I started, the bit with the ammonites and the end of the living chamber popped off at a hairline crack, so I set them aside for reglueing at a later point. Here's how both sides looked after a few hours with the stylus and also after glueing the above mentioned pieces back on.
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Calcite steinkern. Phragmocone.
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Rare in Cabo Mondego Callovian. Id as Parapatoceras sp. (Ruget-Perrot, 1961, p.43) Ruget-Perrot, Ch. 1961. Études stratigraphiques sur le Dogger et le Malm inférieur du Portugal au Nord du Tage. Mém. Serv. Géol. Port., N. S., 7, 197 pp.
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Dear TFF, I have these two Callovian ammonites for exchange. The first is on matrix and wood wax has been applied to it. I would like paleozoic material (especially devonian invertebrates) for my teaching collection, but I am open to other proposals. Thank you.
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I went for my first proper collecting excursion in about a month yesterday (I don't count the bike trips to the shark tooth site, since that's more of a light snack). I'd decided to take another look at one of my old sites in the Callovian in the Wutach Valley. As is sometimes the case, I forgot my camera (sorry), so there won't be any on the site photos, but I thought I could at least show you the best finds which I just finished prepping. First a Pyrgotrochus macrocephali gastropod and then a Kepplerites sp. ammonite. Both are relatively seldom, so I was happy to add them to the collection. The last two are well-preserved Choffatia sp. and Macrocephalites sp. ammonites.
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Inside of a Terebratula (Glossothyris) Callovian Normandy France
nala posted a gallery image in Member Collections
From the album: Brachiopodes, Shells, corals, sponges......
Inside of a Terebratula (Glossothyris) Callovian Normandy France -
Rugitela biappendiculata lower Callovian Marnes de Donfront Degré France
nala posted a gallery image in Member Collections
From the album: Brachiopodes, Shells, corals, sponges......
Rugitela biappendiculata lower Callovian Marnes de Donfront Degré France -
Torquirhynchia torquata Callovien inférieur Normandy
nala posted a gallery image in Member Collections
From the album: Brachiopodes, Shells, corals, sponges......
Torquirhynchia torquata lower Callovian Normandy -
Oecoptychius refractus (REINECKE 1818)Callovien moyen Deux-Sèvres - France
nala posted a gallery image in Member Collections
From the album: Ammonites
Oecoptychius refractus (REINECKE 1818)Callovien moyen Deux-Sèvres - France -
Yesterday I posted something here from my recent trip to the Callovian and now I've just finished prepping something else worth showing. It's a somewhat compressed Macrocephalites jacquoti ammonite with a diameter of 12cm. You may have noticed, particularly in the second photo, that there's a crack running through it. And this is what happens when you open it up. It had already broken into these two pieces as I was extracting it at the outcrop. Instead of glueing them back together as I usually do, however, I decided to leave it as is after I'd abraded the shell, since the view of the crystallized chambers is quite pretty. It makes a nice sort of "surprise egg", don't you think?
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From the album: Middle Jurassic Ammonites from Southern Germany
Containing 4 Choffatia sp. ammonites and a piece of belemnite rostrum. 12x12x6cm. The 4th ammonite is hidden on the back side and can only be seen in profile in the last photo. herveyi zone Early Callovian From the Wutach Valley area. -
From the album: Middle Jurassic Ammonites from Southern Germany
5.5cm. herveyi zone Macrocephalen-Oolite Early Callovian Found on a field near Blumberg, S.W. Germany -
From the album: Slices
10cm. I decided to cut it because of the damage to the shell and I figured that there must be a few good chamber geodes within. herveyi zone macrocephalen oolite Early Callovian Wutach Formation Found on a field near Blumberg in SW Germany. -
From the album: German Gastropods and Bivalves
Diameter 6cm., height 4.5cm. herveyi zone macrocephalen oolite Callovian Wutach Formation Found near Blumberg, SW Germany -
Hi there, I'm working at the moment on cataloguing my collection. 98% or so has been self collected over the years. Lately i've cataloguing my fossils from "les Vaches noires" cliffs in normandy / France. Im not finished yet, but i think i should share. So heres my flickr galery "les Vaches Noires " : https://flic.kr/s/aHsmKUCQse i hope you will enjoy.
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Hey all, I thought I would make a thread to show some of my shark teeth that I have collected from the Oxford Clay formation (mainly the Peterborough Member), feel free to comment if I have misidentified anything! Pre-Apologies, some of them are quite small.. Cheers, Jacob.
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From the album: Vertebrates (other than fish)
2.5cm. Tooth. Obtained on a trade with Strepsodus. Lower Oxford Clay Callovian Middle Jurassic Found at Maxey Pit, Peterborough, Cambridgeshire, UK-
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Yesterday I reported on a trip into the Kimmeridgian, and now I'm happy to say that I spent the day today in the Callovian. I was suffering from cold turkey, since I hadn't been out for a proper hunt (not counting the short stints on the bike to the shark tooth site) for at least 3 weeks. This time it only started raining 10 minutes before I left the site, so I managed to skirt the danger of slipping down the slope on the way back up to the car. This time I had 5 hours to play around. There was a lot of work to do, so I was pretty tuckered out by the end of the day, but I stopped in for meatballs and rice on the way home, so that cured it pretty quickly. Now I just need to get under the shower. The preservation at the selected spot at the site wasn't always ideal. Lots of bits and bites amongst the complete ones, but only the prep bench will tell the story in the end. I took along my camera, so I'll let the pictures tell the story for the time being. Continued...
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Here are some interesting small fossils I found on a recent trip. The fossil in the first three pictures is 8mm long. The next two are of a flat fossil about 13mm long
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Calcite Steinkern of the phragmocone.
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Hello all, Currently digging through boxes I haven't looked through for several years and came across these two ammonites. I thought they were Kosmoceras grossourvrei but they seem to be too coarsely ribbed, Kosmoceras pollucinum maybe? Any help or advice with this would be greatly appreciated. Found in the Lower Oxford Clay of Kings dyke, Cambridgeshire. Callovian stage. Cheers, Jacob.
