Review and images by Fembrogon; edited by bmathison1972
There probably aren’t many invertebrates – especially outside of arthropods like insects and spiders – which could be considered legitimately “famous” on one level or another, compared to the broader popularity of backboned animals. One exception among invertebrates is the tardigrade, a microscopic ten-limbed oddity that sits in a group of its own, distinct from other animals.