Did You Know?

Some trilobites were as big as a dog!

What They Look Like

Trilobites had round bodies and many legs.

Where They Lived

Trilobites lived in the ocean long ago.

What trilobite Does

Trilobites swam in the sea.

They ate small plants and bugs.

They had shells to keep safe.

They lived for a very long time.

They are now found as fossils.

They help us learn about the past.

More About trilobite

Trilobites were here for many years. They first came about 520 million years ago. They lived in the sea and were very common. Many kinds of trilobites lived in many places.

Today, we find trilobite fossils in rocks. These fossils help us learn about how life was long ago. They tell us what the Earth was like.

Trilobites are cool! Some were very big, and some were very small. They are one of the first sea animals we know about.

How Topics Connect

graph TD A["Trilobites"] --> B["Class Trilobita"] B --> C["Extinct Marine Arthropods"] C --> D["Fossil Record (270 million years)"] D --> E["Over 22,000 Species"] E --> F["Diversity & Mineralised Exoskeleton"] F --> G["Contributions to Paleontology"] G --> H["Relationship to Artiopoda"]

What Do These Words Mean?

arthropods:Animals with jointed legs and a hard outer shell, like insects and crabs.
fossil record:The history of life on Earth as shown by fossils.
biostratigraphy:A method of dating rocks and fossils based on the types of organisms found in them.
paleontology:The study of ancient life through fossils.
plate tectonics:The theory that explains how the Earth's surface is made of large pieces that move.