global species database
digital catalog of organisms
Reptile Database
database that provides information of all living reptile species
World Register of Marine Species
web-based database of marine species
Catalog of Fishes
online database and reference work on the taxonomy and nomenclature of fish
Global Biodiversity Information Facility
aggregator of scientific data on biodiversity; data portal
Amphibian Species of the World
database that provides information of all amphibia species of the world
Integrated Taxonomic Information System
authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world
Ocean Biodiversity Information System (OBIS)
online marine biology database