An introduction to Invertebrates:
https://australianmuseum.net.au/learn/teachers/learning/what-are-invertebrates/
Marine invertebrates are included in their own category.
Ambigolimax sp. (valentius and waterstoni) at Braidwood, NSW
Ambigolimax sp. (valentius and waterstoni) at Braidwood, NSW
Hirudinea sp. (Class) at Charleys Forest, NSW
Caenoplana bicolor at Tirrannaville, NSW