The molluscs compose the lairge phylum o invertebrate ainimals kent as the Mollusca. Aroond 85,000 extant species o molluscs are recognised. Molluscs are the lairgest marine phylum, comprisin aboot 23% o aw the named marine organisms. Numerous molluscs an aa live in freshwatter an terrestrial habitats. Thay are heichly diverse, nae juist in size an in anatomical structur, but an aa in behaviour and in habitat.

Temporal range: Cambrian Stage 2–Recent
Tonicella lineata, a polyplacophoran or chiton, anterior end taewart the richt
Scientific classification e
Kinrick: Animalia
Superphylum: Lophotrochozoa
Phylum: Mollusca
Linnaeus, 1758
85,000 recognised leevin species.


  1. Chapman, A.D. (2009). Numbers of Living Species in Australia and the World, 2nd edition. Australian Biological Resources Study, Canberra. Retrieved 2010-01-12. ISBN 978-0-642-56860-1 (printed); ISBN 978-0-642-56861-8 (online).