Cleoniceras Sutured Ammonite 150mm

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Cleoniceras Sutured Ammonite 150mm

SKU:TFS0803
£152.00

Availability:Out of stock

Details:

The natural suture patterning is very delicate in this example and gives a marvellous contrast against the honey calcite colouration. The sutures frilly cream outlines also appear to give light and shading to the faces of the polished ammonite. A desirable Cleoniceras fossil ammonite from a classic fossil bed in Madagascar. Read the full description below...

Genus: Cleoniceras ammonite, family Hoplitidae.
Age: Albian 100 to 113 m.y.a., Cretaceous period 135 to 65 m.y.a
Origin: N.E. Madagascar. E.Africa, South Indian Ocean

Cleoniceras ammonite measurements.
Diameter: 15 cm
Depth: 2.7 cm

Weight: 0.705 g

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Details

Cleoniceras Sutured Ammonite conserved enabling a wonderful opportunity to discover the finest type ammonites of Madagascar. One of the best locations to gain colourful ammonites with wonderful natural preservation with fine minerals and this example is no exception to that end. The Cleoniceras ammonites from Madagascar and in particular from this location and deposition have a unique quality and are exceedingly desirable. In these images the keel and siphuncle clearly distinguishable, the keel of the ammonite is the last outer whorl circumference or rim, the keel here is a light caramel coloured calcite, set against this the dark siphuncle tube appears as being segmented in darker browns.


Towards the last living chamber, the distal end of the whorl of the phragmacone or shell, the soft muted tones contrast as a backdrop to the exceptional suture patterning. The suture patterning is liken to frilly fern leaf decoration, which are profuse in this particular fossil phragmacone. These sutures denote the inner chamber walls of the mollusc, the sutures spread out in filly patterning above or at the point of contact of the internal septa or chamber wall, to the inner phragmacone umbilicus.

Additional Information

SKU TFS0803
Age Cretaceous
Origin Madagascar
Colour Brown

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