So. Dakota Ammonites

Buried Treasure Fossils offers a large selection of top quality Ammonites for sale from Pierre Shale Fm., Pennington, So. Dakota, USA. These So. Dakota ammonites show exceptional external detail including pearly aragonite shell with some rainbow iredescence. Several specimens are still in their original matrix. Exceptional color. Great display and collection piece. Cretaceous age.  Authenticity guaranteed.

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  1. Hoploscaphites nodosus
    $325.00

    A natural Hoploscaphites nodosus ammonite and a Nautilus (Eutrephoceras) with excellent preservation of the shell material. A December Fossil of the Month. This ammonite species exhibits big ribs with large tubercles (nodes). Both ammonites are nicely displayed on their original Pierre Shale matrix with a flat base. Matrix size is 4.5" x 2.5". This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.  Note - this specimen weighs 1.6 lbs. An international shipping charge will apply.

    SD06        Size: 2-5/8"  &  2"

    Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

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  2. Hoploscaphites nebrascensis
    $225.00

    Three natural Hoploscaphites nebrascensis ammonites in a cluster with excellent preservation of the shell material. There are three ammonites in this cluster. The shell material has natural iridescence.  This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece. Note - this specimen weighs 1.3 lbs. An international shipping charge will apply.

    SD01        Size: 2"

    Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

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  3. Hoploscaphites nebrascensis
    $125.00

    A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.  

    SD02        Size: 2-1/8"

    Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

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  4. Hoploscaphites nebrascensis
    $95.00

    A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits on an original Pierre Shale with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.  

    SD03        Size: 1-7/8"

    Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

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