Rare 10.75″ madagascar cut & polished argonauticeras argonautus ammonite fossil, aptian, cretaceous

Description

This listing features a stunning, cut and polished ammonite fossil, Argonauticeras argonautus, from the Aptian stage of the Cretaceous period, discovered in Madagascar. This 10.75-inch ammonite boasts exquisite natural patterns, internal chamber structures, and stunning mineralization, making it a truly spectacular collector’s piece.

About Argonauticeras argonautus

Argonauticeras argonautus is a species of ammonite from the early Cretaceous, known for its thick, robust shell with distinctive ribbing and complex suture patterns. These ammonites lived in the warm, shallow seas that covered Madagascar during the Aptian period, approximately 120 million years ago. The internal chambers of this ammonite have been beautifully preserved and mineralized over millions of years, creating an eye-catching display fossil when cut and polished.

Fossil Details:

• Scientific Name: Argonauticeras argonautus
• Common Name: Madagascar Ammonite
• Geological Age: Aptian, Cretaceous (approx. 120 million years old)
• Location: Madagascar
• Size: 10.75 inches (see photos for exact measurements)
• Preservation: Cut and polished to reveal the intricate internal chamber structure

Why This Fossil is Special:

• Premium-quality cut and polished specimen, highlighting the fossil’s intricate suture patterns
• Distinctive coloration and mineralization due to millions of years of fossilization
• A rare species of ammonite from the early Cretaceous period
• Perfect for collectors, home decor, or educational purposes
• Comes from the Alice Purnell Collection, one of the largest ammonite collections in the world
• 100% Genuine Specimen with a Certificate of Authenticity

What You See is What You Get

The actual fossil shown in the photos is the exact specimen you will receive—no stock images used.

Buy with Confidence:

• Authenticity Guaranteed – Professionally sourced, identified, and verified
• Secure Packaging – Carefully packed to ensure safe delivery
• Fast & Reliable Shipping – Worldwide shipping available

This rare, beautifully polished ammonite fossil is a true statement piece, perfect for collectors, fossil enthusiasts, and interior decorators alike. Don’t miss your chance to own a remarkable piece of Earth’s ancient history!