EXTINCTIONS -, DISTINCT SPHENODISCUS FOSSIL AMMONITE FROM USA - FINE DETAIL




Item History & Price

Information:
Reference Number: Avaluer:4337230
Original Description:
Name:   Sphenodiscus lenticularis
Age:  Cretaceous
Formation:  Fox Hills Formation
Location:  South Dakota
Size:  Ammonite is 3.1 inches acrossThis is a very uncommon US ammonite. It is a loose Sphenodiscus lenticularis from the Late Cretaceous of South Dakota. This specimen was acquired from an old collection, and the label identified it as a Sphenodiscus from South Dakota. This type of ammonite i...s extremely lenticular in shape. The ancient cephalopod has a very sharp keel, unlike the keel of Cleoniceras. This 3-dimensional ammonite is loose, being fully free of matrix on all sides. The fossil is well preserved, and the distinct suture pattern is readily seen. The natural coloration of the fossil is quite striking. This is a fine example of this unusual ammonite from the Fox Hills Formation.
A Certificate of Authenticity from EXTINCTIONS.com is included with this specimen. Remember, FREE SHIPPING in the USA!



    Similar items


  • Extinctions - Cool,  Large Fossil Beetle From The Famous La Brea Tar Pits - Classic

    Extinctions - Cool, Large Fossil Beetle From The Famous La Brea Tar Pits - Classic

  • Fossil Ammonite - Liparoceras Cheltiense From England

    Fossil Ammonite - Liparoceras Cheltiense From England

  • Fossil Ammonite - Schloenbachia Varians From England

    Fossil Ammonite - Schloenbachia Varians From England

  • Fossil Ammonite - Proplanulites Koenigi From England

    Fossil Ammonite - Proplanulites Koenigi From England

  • Fossil Ammonite - Arnioceras Sp.  From England

    Fossil Ammonite - Arnioceras Sp. From England

  • Fossil Ammonite - Amaltheus Margaritatus From England

    Fossil Ammonite - Amaltheus Margaritatus From England

  • Fossil Ammonite - Schloenbachia Varians From England

    Fossil Ammonite - Schloenbachia Varians From England

  • Fossil Ammonites From Bedfordshire,  England

    Fossil Ammonites From Bedfordshire, England


    • You might also like


    • Ammonite Cadoceras Stupachenkoi 125mm  Jurassic Callovian Russia Fossil

      Ammonite Cadoceras Stupachenkoi 125mm Jurassic Callovian Russia Fossil

    • Ammonite Cadoceras Stupachenkoi Wit Bivalve Jurassic Callovian Russia Fossil

      Ammonite Cadoceras Stupachenkoi Wit Bivalve Jurassic Callovian Russia Fossil

    • Ammonite Peltoceras,  Big Rare Sample.  Russia,  5.  8 Inches.

      Ammonite Peltoceras, Big Rare Sample. Russia, 5. 8 Inches.

    • Ammonite Phyllopachyceras Acanthohoplitestetragonites Zuercherella Fossil

      Ammonite Phyllopachyceras Acanthohoplitestetragonites Zuercherella Fossil

    • Ammonite Pseudocadoceras Sp.  Jurassic Callovian Russia Fossil

      Ammonite Pseudocadoceras Sp. Jurassic Callovian Russia Fossil

    • Rare Carbonado Black Diamond Meteorite Rare Specimen 24g K1112

      Rare Carbonado Black Diamond Meteorite Rare Specimen 24g K1112

    • Rare Specimen Ammonite Ptychoceras Zuercherella Cretaceous Russia Fossil

      Rare Specimen Ammonite Ptychoceras Zuercherella Cretaceous Russia Fossil

    • Ammonite Simbirskites Kowalewskii Fossil Russia

      Ammonite Simbirskites Kowalewskii Fossil Russia

Avaluer          About Us          Privacy Policy          Contact Us          UP
© 2022, avaluer.net, Inc. or its affiliates