Systematics Software

Molecular Evolution and Systematics

Mollia - Resources for Malacologists

GenBank - Opistobranchia

CLEMAM - European Mollusks Database

National Science Foundation

PEET - Partnerhsips in Education and Expertise in Taxonomy

Seaslug Forum

The Slug Site

Seaslug.com

Okinawa Slug Site

Bibliographia Nudibranchia

British Nudibranchs

Opistobranchs of Costa Rica

Mediterranean Opistobranchs

Antarctic Sea Slugs

Opistobranchs of the World