A phylum of the kingdom Metazoa. Mollusca have soft, unsegmented bodies with an anterior head, a dorsal visceral mass, and a ventral foot. Most are encased in a protective calcareous shell. It includes the classes GASTROPODA; BIVALVIA; CEPHALOPODA; Aplacophora; Scaphopoda; Polyplacophora; and Monoplacophora.
    

concept

Mouthpart from a naval ship worm (Teredo navalis), X-ray

Recreatio mentis et ocvli in obseruatione animalium testaceorum. Curiosis naturæ inspectoribus italico sermone primùm / proposita a. p. Philippo Bonano.

Wood burrows from a naval ship worm (Teredo navalis), X-ray

Leaf and flowers of skunk cabbage (Symplocarpus foetidum), a type of mollusc (Doris argo) and a dragon lizard (Draco volans). Coloured etching by J. Pass, c. 1803, after J. Ihle.

Seven animals from Japan, including two frogs, a snail, a slug, a water-bug and a silver fish. Gouache painting.

Observations on the distribution of some species of nudibranchiate mollusca in the China Sea / by C. Collingwood.

Die Kontroverse von R.A.F. de Réaumur und J. Th. Klein über Bau und Wachstum der Schneckenschalen / von A. Geus.

The Cracherode shell collection / by Guy L. Wilkins.

A catalogue and historical account of the Banks shell collection / by Guy L. Wilkins.

Mollusca

Images

Catalogue

Observations on the distribution of some species of nudibranchiate mollusca in the China Sea / by C. Collingwood.

Die Kontroverse von R.A.F. de Réaumur und J. Th. Klein über Bau und Wachstum der Schneckenschalen / von A. Geus.

The Cracherode shell collection / by Guy L. Wilkins.

A catalogue and historical account of the Banks shell collection / by Guy L. Wilkins.

Seven animals from Japan, including two frogs, a snail, a slug, a water-bug and a silver fish. Gouache painting.