Crickites

Before preparation

Before preparation

The surrounding matrix is ​​removed step by step

The surrounding matrix is ​​removed
step by step

Close up of the shell during preparation

Close up of the shell during preparation

More small goniatites appear around
the living chamber

More small goniatites appear around the living chamber

The finished specimen

The finished specimen

Careful preparation reveals fine pores
of the shell

Careful preparation reveals fine pores of the shell

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This goniatite is probably a member of the Crickites genus. It comes from the Matagne formation of Belgium and is characterized by a extremely well preserved shell, showing fine pores.

The preparation was quite difficult, since the rock is very hard and shows very poor separation. Therefore the preparation took relatively long. The shell surface could only be preserved by time-consuming but gentle blasting.

 

Fossil: Crickites sp.

Locality: Region Chimay (Belgium)

Formation: Upper Devonian, Frasnian, Matagne-Formation

Diameter: 27cm (10.6 inch)

Work required: 17 hours