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Showing results for tags 'stephanoceras'.
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From the album: Sketches
The original comes from the Middle Jurassic Bajocian humphriesianum zone near Ruenenberg, Canton Basil, Switzerland.-
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This time I chose a Stephanoceras humphriesianum from the Swiss Middle Jurassic. Didn't quite get the proportions right this time. The thing has so many ribs that I kept on losing my orientation and missed out on a couple and rotated it all a bit. But at least it looks ok, despite the fact that I didn't manage to copy it perfectly.
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Stephanoceras (Stephanoceras) humphriesianum (Sowerby 1825)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
6cm. Bajocian, humphresianum Zone. Evrécy, Normandy, France. -
Stephanoceras (Stephanoceras) humphriesianum (Sowerby 1825)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
5cm. Humphresianum Zone, Bajocian. From the hills south of Basel, Switzerland. -
From the album: Cephalopods Worldwide
12cm. With serpula and oysters attached. Humphresianum Zone, Bajocian, Sissach, CH. -
Stephanoceras (Stephanoceras) humphriesianum (Sowerby 1825)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
Diameter 14.5cm. humphresianum-Zone Bajocium, Middle Jurassic German "Dogger delta" Found in the hills south of Basel, Switzerland.- 4 comments
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Stephanoceras (Stephanoceras) humphriesianum (Sowerby 1825)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
12cm. With Serpula and oysters attached. Bajocian, humphresianum zone. From the Swiss Jura south of Basel. -
From the album: Cephalopods Worldwide
16cm. From the Bajocian humphresianum zone in Sherborne, Dorset, GB. Complete adult with apophyse. -
From the album: Middle Jurassic Ammonites from Southern Germany
6cm. From the herveyi zone, early Callovian from the Wutach valley. Shell preservation. Not part of my collection, but prepared for a colleague.-
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I think that I've mentioned in the past that I occasionally do some prep work for a British paleontologist in exchange for some of his raw finds for my own collection which I get to work on myself. Well, another parcel arrived yesterday full of things to do for him and also a few ammonites for myself. I was particularly pleased to see the one pictured below, so pleased that I just had to put my preparation work on my own Callovian finds on hold in order to get this one prepped right away. It's a complete Stephanoceras humpresianum from the type horizon in Dorset with the end peristome at the aperture.
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The shell is completely preserved. This is only the phragmocone of a large individual.
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Stephanoceras (Skirroceras) leptogyrale (Buckman)
Ludwigia posted a gallery image in Member Collections
From the album: Cephalopods Worldwide
7.5cm. Calcite mold with parts of the shell intact. From the lower Bajocian sauzei zone at Sherborne, Dorset, England. The zone is locally named the propinquans zone.-
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