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Jurassic Forum » Finds and Identifications » Finds discussion » Interesting Laugeites with black band (from Svalbard)
Interesting Laugeites with black band
mhornДата: Monday, 15.12.2008, 21:14 | Сообщение # 1
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Among the other articles devoted to ammonite colour marks of the different nature one paper by Klug et al. (2007) focused also in black band remains, which are common in modern nautilids but were little-known in ammonites

Surprisingly, after receiving of this publication I immediately found such black bands in Boreal ammonite from the Middle Volgian of Spitsbergen, Laugeites aff. groenlandicus. Specimen figured below bears two such black bands, which coincides with wrinkle layer (see for comparison photograph of the such ammonite coated with ammonium chloride)

Attachment: 1019187.jpg(90Kb) · 8558554.jpg(90Kb)


Middle Jurassic - Lower Cretaceous ammonites & aptychi
 
Jurassic Forum » Finds and Identifications » Finds discussion » Interesting Laugeites with black band (from Svalbard)
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