4.4" Acanthoceras Ammonite Fossil Agadir Morocco 360 Million Year Old COA

Location: Agadir, Morocco  

Weight: 1 Pound 4.5 Ounces

Dimensions: 4.4 Inches Long, 3.6 Inches Wide, 1.8 Inches Thick

Comes with a Certificate of Authenticity.

The item pictured is the one you will receive.

360 million years old.

Acanthoceras Ammonite

Ammonoids were ancient marine cephalopods that flourished in the oceans from the Devonian through the Cretaceous periods. Their elegantly coiled shells, shaped like a ram’s horn, inspired their name—derived from the Egyptian god Amun (or Ammon), who was depicted with ram’s horns. Although they resemble modern Nautiloids, Ammonoids are actually more closely related to octopus, squid, and cuttlefish. Today, Ammonoid fossils are highly valued for their beauty, scientific importance, and the unique window they offer into Earth’s prehistoric marine ecosystems.

Ammonoid shells were remarkable for their complex internal structure, divided into multiple chambers by thin walls known as septa. The points where these septa joined the outer shell formed distinctive suture patterns, which scientists use to classify Ammonoids. Early species, called Goniatites, displayed a simple zigzag or “Goniatitic” suture pattern with smooth lobes and saddles. In contrast, later Ammonites evolved intricate, fern-like suture patterns, showcasing their advanced evolution and natural beauty. These detailed formations make Ammonoid fossils both scientifically valuable and visually stunning for collectors and paleontologists.