Description of the model:
The taktile model is based on the original fossil of Hoplites benettianus var. devisensis (SPATH, 1925) of the Lower Cretaceous in France, Troyes.
It is possible to feel the shell from inside and outside. The shell is dived into a number of chambers (camerae) separated by walls (septa), which become increasingly larger along the spiral. We show 5 chambers. The first chamber is called mantle cavity and the entire chambered part of the shell is called phragmocone. The suture is simplified and does not correspond to the specimen in order to allow feeling easier.
The model is made of white and black resin.
Dimensions
22 x 28 cm max. diameter
Price
1.250,00 €
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Model views
ammonit
tactile model made of resin
ammonit
tactile model made of resin
ammonit
tactile model made of resin
on a black ground with tactile letters and braille
ammonit
tactile model made of resin
close-up of the chambers
ammonit
tactile model made of resin
Geological era
417 – 65 million years before today