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Amphibian Species of the World 6.0, an Online Reference

Encyclopedia of Life

The project to organize and make available via the Internet virtually all information about life present on Earth

Integrated Taxonomic Information System

Authoritative taxonomic information on plants, animals, fungi, and microbes of North America. Includes an expertise directory to locate specialists.

International Code of Zoological Nomenclature

Provides rules and guidelines for assigning scientific names to animals.

Nomenclator Zoologicus

A searchable database of the names of genera and subgenera in zoology from the tenth edition of Linnaeus (1758).

The Reptile Database
This database provides a catalogue of all living reptile species and their classification. The database covers all living snakes, lizards, turtles, amphisbaenians, tuataras, and crocodiles.


Comprehensive & collaborative catalog of known names of all living (& once-living) organisms