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Revision of an Asaphus

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Typical specimen from an old collection

Typical specimen from an old collection

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The trilobite shows a rough preparation and a greasy varnish

The trilobite shows a rough preparation
and a greasy varnish

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The head shows a huge damage - the counterpart was probably left at the fossil site

The head shows a huge damage
- the counterpart was probably left
at the fossil site

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After the varnish-removal, the trilobite appears much more natural. The fine and restoration work followed

After the varnish-removal, the trilobite
appears much more natural.
The fine and restoration work followed

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After the restoration process, the trilobite shines with a new look

After the restoration process, the
trilobite shines with a new look

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The before-and-after-picture shows a remarkable transformation

The before-and-after-picture shows
a remarkable transformation

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This specimen is a big asaphus from an old collection. The piece has a big imperfection in the area of the left librigena.  The shell was roughly uncovered and covered in a very shiny varnish.

Initially the unsightly varnish was removed and the matrix smoothed. Covered pieces of the shell were thereby uncovered so the entire shell became visible. After the precision work, especially between the pleurae, the left side of the cephalon was reconstructed. After the successful rework, the piece is now finally worthy of being exhibited. 

Fossil: Asaphus expansus

Locality: Ljungsbro (Sweden)

Formation: Ordovician

Length of the trilobite: 9 cm

Work required: 4 hours