List of mollusc orders illustrates the 97 orders in the phylum Mollusca, the largest marine animal phylum. 85,000 extant species are described, making up 23% of described marine organisms.
No orders, 6 families, 15 genera, 150 species.
This overview of orders follows the taxonomy of the Gastropoda (Ponder & Lindberg, 1997):
Subclass Eogastropoda
Subclass Orthogastropoda <small>Ponder & David R. Lindberg, 1996</small>
Superorder Vetigastropoda <small>Salvini-Plawen, 1989</small> (limpets)
Superorder Neritaemorphi <small>Koken, 1896</small>
Superorder Caenogastropoda <small>Cox, 1960</small>
Superorder Heterobranchia <small>J.E. Gray, 1840</small>