Obis
- http://data.acnatsci.org/obis/
- Database which provides access to nomenclature, distribution and ecological data of Indo-Pacific marine mollusks.
Valtat
- http://www.valtat.org
- Illustrated list of molluscs from the Perhentian islands, Malaysia. Offers bibliography, maps and research data.
Veliger
- http://www.theveliger.org/
- Quarterly issues are published by the California Malacozoological Society and include data pertaining to mollusks.