Cuttlefish of the order Sepiida Pinna nobilis shell and byssusList of mollusc orders illustrates the 97 orders in the phylum Mollusca , the largest marine animal phylum. 85,000 extant species are described,[1] making up 23% of described marine organisms.[2]
Epimenia verrucosa
No orders, 6 families, 15 genera, 150 species.
Testaria (unranked)
Class Polyplacophora (Chitons )
The right valve of a shell of Tellinella listeri , anterior end towards the right The venerid species, Austrovenus stutchburyi
Anodonta anatina
Superfamily Manzanelloidea
Superfamily Nuculanoidea
Superfamily Nuculoidea
Superfamily Sapretoidea
Superfamily Solemyoidea
A live individual of Argopecten irradians , family Pectinidae
A nautiloid
Artist's reconstruction of Asteroceras
Division Neocoleoidea (most living cephalopods)
A spirula spirula squid
This overview of orders follows the taxonomy of the Gastropoda (Ponder & Lindberg, 1997) :
Subclass Eogastropoda
Live limpets in the intertidal zone in Cornwall , England. Subclass Orthogastropoda Ponder & David R. Lindberg , 1996
Order Murchisoniina Cox & Knight, 1960 (fossil )
Order Neomphaloida Sitnikova & Starobogatov, 1983 Superorder Vetigastropoda Salvini-Plawen, 1989 (limpets)
The shell of an archaeogastropod from the Pliocene of Cyprus . A serpulid worm is attached. Superorder Neritaemorphi Koken, 1896
Order Cyrtoneritomorpha (fossil )
Order Neritopsina Cox & Knight, 1960 Superorder Caenogastropoda Cox, 1960
Superorder Heterobranchia J.E. Gray , 1840
No information available below class
A tusk shell of the scaphopod Antalis vulgaris