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Showing results for tags 'crussoliceras'.
Found 21 results
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From the album: Russian Lower Kimmeridgian ammonites
A possible chiton on a Crussoliceras. Tatarstan, Rasenia cymodoce zone. Pyrite -
From the album: Russian Lower Kimmeridgian ammonites
3 Crussoliceras ammonites. Tatarstan, Rasenia cymodoce zone. Pyrite -
This time I settled down to make a copy of my very best Crussoliceras crusoliense ammonite from the Early Kimmeridgian at the ditch in the Upper Danube Valley. It's ø is 16cm. and it has a small Glochiceras sp. tagging along at the mouth aperture.
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From the album: Sketches
ø 16cm. From the Late Jurassic Early Kimmeridgian divisum zone in the Upper Danube Valley, Germany. -
From the album: Russian Lower Kimmeridgian ammonites
Tatarstan rep., Tetyushi, cymodoce zone- 1 comment
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From the album: Russian Lower Kimmeridgian ammonites
Tatarstan rep., Tetyushi, cymodoce zone-
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From the album: Russian Lower Kimmeridgian ammonites
Ulyanovsk Oblast, Undory, cymodoce zone, pyrite -
From the album: Russian Upper Kimmeridgian ammonites
Tatarstan rep. Tetyushi, Au. mutabilis zone. D 3 cm, pyrite -
From the album: Russian Lower Kimmeridgian ammonites
Tatarstan rep., Tetyushi, cymodoce zone-
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From the album: Russian Lower Kimmeridgian ammonites
Tatarstan rep., Tetyushi, cymodoce zone-
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From the album: Russian Lower Kimmeridgian ammonites
Tatarstan rep., Tetyushi, cymodoce zone -
From the album: Russian Lower Kimmeridgian ammonites
Tatarstan rep., Tetyushi, cymodoce zone-
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I once stumbled on a group of small kimmeridgian ammos which were all later IDed as Crussoliceras spp. The genus is very rare and poorly known here. Do you have any suggestions about species? Thanks @Ludwigia
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From the album: Late Jurassic Ammonites from Southern Germany
ø 25cm. divisum zone Early Kimmeridgian Lacunosamergel Formation, Lochen Subformation Sponge facies -
From the album: Late Jurassic Ammonites from Southern Germany
ø 12.5cm. divisum zone Early Kimmeridgian Lacunosamergel Formation Sponge Facies From the Upper Danube Valley -
Calcite mold. Complete specimen. Only the apophyse is missing on this microconch. C. divisum is generally larger than C. crusoliense, which reaches an adult diameter of at the most 15 cm. The bipartite ribs crossing the venter continue mostly on until the end of the bodychamber and can become irregular, whereas by C. crusoliense they tend to merge towards the end and remain relatively constant.
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Limestone mold. This big fellow is practically complete.
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Calcite mold with a fine residue of green glauconite on the phragmocone. This is the index fossil for the divisum zone. C. divisum is generally larger than C. crusoliense, which reaches an adult diameter of at the most 15 cm. The bipartite ribs crossing the venter continue mostly on until the end of the bodychamber and can become irregular, whereas by C. crusoliense they tend to merge towards the end and remain relatively constant.
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From the album: Late Jurassic Ammonites from Southern Germany
From the Kimmeridgian divisum zone in the upper Danube Valley.- 2 comments
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From the album: Late Jurassic Ammonites from Southern Germany
18cm. The other side of the previous one. -
Crussoliceras divisum (Quenstedt 1888) and Streblites tenuilobatus (Oppel 1857)
Ludwigia posted a gallery image in Member Collections
From the album: Late Jurassic Ammonites from Southern Germany
The block measures 18x17x7cm. Kimmeridgian, divisum Zone. Found in the upper Danube Valley. This is the index fossil for this zone.
