Acanthoceras Ammonite Fossil Specimen 14cm – Cretaceous Marine Fossil

Ammonite fossil specimens are among the most recognisable and studied fossils in the world. Their distinctive spiral shells make them instantly identifiable to everyone from children to professional geologists. Beyond their beauty, ammonites are extremely important in earth science, as they are used as zoning fossils—meaning specific ammonite species correspond to specific geological time periods.

This specimen is an Acanthoceras Ammonite, a marine mollusc related to modern squids and octopus, dating back approximately 146 million years to the Cretaceous period. Preserved in white limestone from the Agadir region of Morocco, it is a striking and weighty example of prehistoric marine life.

Product Details:

  • Fossil Type: Acanthoceras Ammonite

  • Geological Age: Approx. 146 million years old

  • Period: Cretaceous

  • Material: Fossilised marine mollusc preserved in white limestone

  • Approx Size: 14cm × 10cm × 8cm

  • Approx Weight: 1.063kg

  • Origin: Agadir Region, Morocco

  • Condition: Natural fossil specimen

  • Display Note: Not suitable for outdoor display; avoid rain and freezing conditions

  • Authenticity: The item pictured is the exact specimen you will receive

  • Guarantee: Genuine fossil — not a replica or copy

Scientific & Natural History Context

Acanthoceras ammonites were free-swimming marine animals that lived in ancient oceans alongside dinosaurs. They possessed chambered shells, which helped regulate buoyancy, much like modern nautilus species.

Because ammonite species evolved rapidly and existed for relatively short geological spans, they are invaluable to scientists for dating rock layers. Finding a particular ammonite species allows geologists to determine the age of the surrounding rock with high accuracy.

The spiral shell not only reflects biological efficiency but also records growth over time—each chamber marking a stage in the animal’s life.

Display & Care Guidance

White limestone ammonites from the Agadir region are best suited for indoor display only.

  • Display in a dry, stable environment
  • Avoid exposure to rain, moisture, or freezing temperatures
  • Handle with care due to natural fossil fragility
  • Ideal for shelves, cabinets, study spaces, or curated collections

Symbolic & Educational Value

While prized scientifically, ammonites are also appreciated for their visual symbolism:

  • Spiral Form: Growth, time, continuity, and evolution
  • Ancient Oceans: A tangible link to prehistoric Earth
  • Natural Geometry: Balance and organic order

This makes the specimen suitable not only for collectors and students, but also for those who appreciate fossils as objects of contemplation, décor, or educational display.

FAQs

What is an Acanthoceras ammonite?
It is an extinct marine mollusc related to squids and octopus, known from the Cretaceous period.

How old is this fossil?
Approximately 146 million years old.

Is this a real fossil?
Yes. This is a genuine fossil specimen, not a cast or replica.

Can it be displayed outdoors?
No. White limestone ammonites should be kept indoors and protected from moisture and freezing.

Is the pictured fossil the one I receive?
Yes. The item shown is the exact specimen you will receive.

Summary

This Acanthoceras Ammonite Fossil is a substantial, authentic piece of Earth’s ancient marine history—scientifically valuable, visually striking, and ideal for collectors, educators, and anyone drawn to the deep story of our planet.

Orders & Shipping
Orders placed before 3:00pm are processed and shipped the same day. We ship worldwide.

Tracking Information
Please monitor your parcel using the tracking details provided in your shipping confirmation email. Tracking is usually updated within 24 hours of dispatch and continues until delivery is confirmed.

Duties & Taxes
EU and international duties and taxes are the responsibility of the customer and must be paid locally where applicable. For non-UK customers, UK tax is automatically removed at checkout once the shipping destination is selected.

Customs Delays
Some international orders may be delayed due to customs checks, which are outside our control. Delays may be longer during busy periods.

Returns
For orders that qualified for free delivery, returned items may be subject to the original shipping fee and any collection costs.

Refused or Cancelled International Orders
International orders that are refused, returned, and then cancelled may be subject to a 10% surcharge. Parcels can be re-shipped on request, although an additional charge may apply.