Asteroceras & microderoceras calcite ammonite fossils – black ven marls, lower lias, jurassic, lyme regis, uk

Description

This listing features a stunning pair of ammonite fossils – Asteroceras and Microderoceras – preserved in calcite from the world-famous Black Ven Marls, Lower Lias, Jurassic Coast, Lyme Regis, Dorset, UK. These ammonites date back to the Early Jurassic period, approximately 190 million years old, and exhibit exceptional preservation with intricate ribbing and beautiful calcite replacement.

Fossil Information:

• Species: Asteroceras sp. & Microderoceras sp.
• Geological Formation: Black Ven Marls, Lower Lias
• Age: Early Jurassic (Hettangian-Sinemurian, ~190 million years old)
• Location: Black Ven, Lyme Regis, Dorset, UK
• Preservation: Calcite mineralisation, revealing striking details and structure

Key Features:

✔ Two distinct ammonite species in one specimen – Asteroceras & Microderoceras

✔ Well-preserved ribbing & sutures with calcite replacement

✔ From the famous Black Ven Marls, a classic UK fossil site

✔ An exceptional display piece for collectors and enthusiasts

Authenticity & Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The fossil shown in the photographs is the exact specimen you will receive.

Why Buy From Us?

This ammonite specimen is part of the Alice Purnell Collection, one of the largest and most respected ammonite collections in the world. We specialise in high-quality, authentic fossils, carefully sourced to ensure top-tier specimens for collectors and educational purposes.

This is a rare and unique multi-species ammonite fossil, making it a valuable addition to any collection. Don’t miss out – buy now!