Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
Split calcite Promicroceras ammonite display pieces
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  • Load image into Gallery viewer, Split calcite Promicroceras ammonite display pieces
  • Load image into Gallery viewer, Split calcite Promicroceras ammonite display pieces
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Split calcite Promicroceras ammonite display pieces

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A stunning example of an ammonite fossil of the species Promicroceras planicosta from the world-famous Jurassic Coast beach of Charmouth, Dorset UK.

The ammonite, which measures 23 mm (0.92 inches) across, sits in one of two pieces of limestone matrix that measure 86 mm (3.4 inches) across. This is a classic "popped" stone, where the rock has been split to reveal both the positive cast of the shell and the negative impression. The two pieces fit back together and can be displayed separately or as a single piece with a surprise inside! The shape of the pieces of rock make them great display pieces.

The ammonite is very well preserved and has been prepared out of the rock to reveal the shell. The ribs are very finely defined, and the mix of yellow and grey colours is beautiful. There is also a predation bite in the outer whorl that likely resulted in the death of the ammonite. A great example of the species and impressive in the flesh. The combined weight of the two pieces is 470 grams and both have a cut flat bases to allow them to stand freely on their own for display.

Around 196 million years old (Sinemurian, Early Jurassic), this fossil would make a wonderful addition to any collection.