Gastropoda

Data available on sites and dates of collection of nudibranchs.

Devoted primarily to the nudibranchs of the Philippines, but also contains information and photographs about crinoids (Echinodermata) and reef organisms in general.

Photographs and information on this snail.

Photographs and information on this large carnivorous snail.

Provides information on research into the indigenous Cypraea of the Hawaiian Islands and includes some video clips.