The following sites that have information dealing with BIODIVERSITY & PHYLOGENY:

 

All Species Project

American Birding Association

American Ornithologists Union

American Society of Ichthyologists and Herpetologists

American Society of Microbiology

Amphibian Identification Guide

AmphibiaWeb

Animal Diversity Web

Biodiversity - Articles appearing on the ActionBioscience website.

Biodiversity: Measuring the Variety of Nature

Biodiversity and Biological Collections Web Server

BIRDNET

Birds of Georgia and Florida (Bird photos from the web site of Dr. Brad Bergstrom at Valdosta State Univ).

Birdsource

Caecilian Web Site

California Reptiles and Amphibians

Cooper Ornithological Society

Cornell Laboratory of Ornithology

Conservation and Biodiversity Web Links

Consortium for Conservation Medicine - a unique collaborative institution that  strives to understand the link between anthropogenic environmental change, the health of all species, and the conservation of biodiversity.

Convention on Biodiversity

David Suzuki Foundation

Delcining Amphibian Populations (this article from Nature also contains links to other web sites).

Ecology, Biodiversity and the Environment

Electronic Resources on Ornithology

EMBL Reptile Data Base

Fossil Horses

Georgia Reptiles

Georgia Wildlife (DNR)

Ichthyology Web Resources

Journey into Phylogenetic Systematics

Mammal Species of the World

National Biological Information Infrastructure

National Center for Biotechnology Taxonomy Homepage

Natural Science Collections Alliance

 

TreeBASE

Tree of Life

Tools for Learning about Birds

Turtles

UC Berkeley "Phylogeny"

UCMP Weblift to Taxa

University of Arizona "Tree of Life"

USGS Monitoring Program

Walker's Mammals of the World

World Conservation Monitoring Centre

 

Here are some links specifically related to Vertebrates:

Evolution, Systematics, Taxonomy

What is a Vertebrate

Vertebrate Origins; Haikouella , Pikaia, Other Paleozoic chordates, Balanoglossus

Vertebrate Origins , Tunicate larvae Amphioxus

Vertebrate Origins

Agnathans

Lampreys and Hagfishes

Chondrichthyes

Chondrichthyes

Osteichthyes (Actinopterygii)

Osteichthyes (Actinopterygii)

Osteichthyes (Sarcopterygii)

Tetrapod Origins

Tetrapod Origins

Amphibians

Amphibians

Early Amniotes

Early Amniotes

Synapsids

Synapsids

Mammals

Mammals

Chelonia

Lepidosaurs

Crocodilians

Non-Avian Dinosaurs

Birds;

Chinese Fossils

Birds

 

See also:

Evolution

Dinosaurs

Museums

General Biology