Arthropods

Where in NZ Most marine and some terrestrial rocks.
When Cambrian (542-490 million years ago) to present
Scale Microscopic to up to half a metre long
The crab Tumidocarcinus, a likely predator of molluscs (©Ewan Fordyce)

The crab Tumidocarcinus, a likely predator of molluscs (©Ewan Fordyce)

What are they?

  • Organisms with an exoskeleton (skeleton on the outside), segmented bodies and jointed limbs
  • Includes insects and crustaceans
  • Some of the earliest identifiable fossils of land animals

Used for

See some examples in our image gallery.