The invertebrate fossil collection includes the oldest evidence of life on Earth: 3.5 billion year old fossils from the Pilbara.

Other noteworthy features are:

• Silurian fossils including a possible ancestor of insects
• Trace fossils, especially arthropod trackways representing some of the earliest evidence for animals colonising the land
• Devonian reef fossils from the Canning Basin, especially ammonoids and trilobites
• Permian brachiopods and crinoids
• Jurassic marine invertebrates
• Cretaceous molluscs
• and Cenozoic echinoids and molluscs.

a trilobite