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Showing results for tags 'blumberg'.
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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: Middle Jurassic Ammonites from Southern Germany
33cm. This one was in several pieces and was missing part of the keel, so I had a bit of glueing, modelling and painting to do on it. retrocostatum zone Late Bathonian Found near Blumberg, SW Germany- 2 comments
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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 -
From the album: Middle Jurassic Ammonites from Southern Germany
34cm. Found many years ago at a construction site in Blumberg, B.-W. From the late Bathonian retrocostatum zone. A gift from a friend. -
This ammonite is not perfectly preserved and looks tectonically constricted, which is however not the case. This is a somewhat strange looking genus.
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Calcitized shell.
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With calcitized shell.
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The shell is preserved as calcite. Since this was found on a plowed field it was not possible to determine the exact zone of origin and therefore the species, since many ammonites of this subgenus are quite similar in sculpture and form.
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Peltoceras (Parapeltoceras) sp. (Schindewolf 1925)
Ludwigia posted a gallery image in Member Collections
From the album: Middle Jurassic Ammonites from Southern Germany
8cm. Blumberg. Callovian.- 2 comments
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From the album: Middle Jurassic Ammonites from Southern Germany
5cm. From a field near Blumberg. Macrocephalen oolite, lower Callovian. -
From the album: Middle Jurassic Ammonites from Southern Germany
4.5cm. Another field find from Blumberg. Lower Callovian. -
Homeoplanulites (Parachoffiata) funatus (Oppel 1857)
Ludwigia posted a gallery image in Member Collections
From the album: Middle Jurassic Ammonites from Southern Germany
8cm. Found on a plowed field near Blumberg. More than likely Varians-Schichten, Bathonian. -
From the album: Middle Jurassic Ammonites from Southern Germany
6.5cm. Found on a plowed field near Blumberg. More than likely Macrocephalen-Oolith, lower Callovian. -
This sample was also found on a plowed field, therefore the weather has gotten to it somewhat. What is seen is only a part of the phragmocone. These creatures certainly have earned their name. This is the index species for zone and subzone. Lithology: Macrocephalen-Oolith Old German Chronostratigraphy: Dogger (Braunjura) zeta Literature: Dietl, G. (2010): Die Wutach-Formation (clw) des südwestdeutschen Juras - Beschreibung und Gliederung. Jh. Ges. Naturkde. Württemberg. 166. S.5-21
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This sample is quite weathered, since it was found on a plowed field in autumn, but it show clearly the flat discus shape which could reach quite large proportions. This species gives its name to the zone and subzone where it occurs. Old German Chronostratigraphy: Dogger (Braunjura) epsilon Literature: Dietze,V., Schweigert G., Dietl G. (2014): Chrono-/Biostratigraphie im Mitteljura von SW-Deutschland. 2. Teil: Bathonium. Jh. Ges. Naturkde. Württemberg 170/1, S.191-203.