Did You Know?

Some ammonite shells look like a spiral!

What They Look Like

Ammonites had hard, round shells.

Where They Lived

They swam in oceans long ago.

What ammonites Did

They swam in the sea.

They ate small fish and plants.

They had shells to protect them.

They lived for many years.

They are now just fossils.

People find their shells in rocks.

More About ammonites

Ammonites lived a long time ago. They first came about 410 million years ago. They were around for many years until they went extinct. They are not here today.

We can learn about ammonites from their shells. These shells help us know what the ocean was like. They tell us about the past. They help us learn about life in the sea.

Some ammonites had very pretty shells. They can be found in many places. They help us understand how life has changed. Ammonites are a fun part of our Earth’s story!

How Topics Connect

graph TD A["Ammonoids: Subclass Ammonoidea"] --> B["Related to Octopuses, Squid, Cuttlefish"] A --> C["Resemble Nautiluses"] D["Earliest Ammonoids: Emsian Stage"] --> A D --> E["410-408 Million Years Ago"] F["Last Species: Cretaceous–Paleogene"] --> A F --> G["Approximately 66 Million Years Ago"] H["Common Name: Ammonites"] --> A H --> I["Order Ammonitida"]

What Do These Words Mean?

Ammonoids:Extinct sea creatures with coiled shells, related to octopuses and squids.
Cephalopods:A group of sea animals that includes octopuses, squids, and cuttlefish.
Extinction event:A time when many species die out at once.
Jurassic:A period in Earth's history when many dinosaurs lived.
Paleogene:A time period after the dinosaurs, when mammals started to become more common.