Iridescent Ammonite - On matrix - Jeletzkytes spedeni - 9.1×6.4×12.4 cm

Iridescent Ammonite - On matrix - Jeletzkytes spedeni - 9.1×6.4×12.4 cm
Cretaceous, Maastrichtian,Fox Hills Formation - South Dakota, USA

An iridescent specimen of Jeletzkytes spedenifrom the Cretaceous of South Dakota. But the most striking feature of this ammonite is its natural color. The shiny, iridescent shell of this ammonite is very easily seen. This type of shell mineralization is opalized, coming from permineralized ammonite shell. The matrix was prepared in such a way that it can be displayed without the use of a stand. Lots of shells are beside the ammonite in the matrix.

Ammonite size : 6.2 x 4.7 x 2.4(width) cms
Incredible conservation of fossil sea star . Intact starfish specimens are quite uncommon in the fossil record. The specimen shows an amazing amount of detail and the coloration is natural, it is due to the oxidization of iron pyrite.

100% fossil original.
It will be carefully packed and shipped with online tracking. There will also be insurance for losses or breakages in transportation.

Lot details
Iridescent Ammonite
On matrix
Scientific name
Jeletzkytes spedeni
South Dakota, USA
Geological Period
Cretaceous, Maastrichtian,Fox Hills Formation
Good condition
9.1×6.4×12.4 cm
520 g
Not registered yet?
By creating your free Catawiki account, you’ll be able to bid on any of our 65,000 special objects up for auction every week.
or Sign in