Salamander Genome Project - Development of expressed sequence tags (ESTS) and a comprehensive genome map. Includes project overview, linkage maps, and conserved syntenies . Frog Genetics: Xenopus Tropicalis Jumps into the Future - Article which explains why amphibian embryos are one of the favoured systems for elucidating the mechanisms of early development. Xenopus laevis - Database focusing on gene expression in the frog, Xenopus laevis. Includes pictorial representations and expression domains. Indiana University Axolotl Colony - Genetic stock center for supply of embryos, larvae, and adults to laboratories and classrooms throughout the United States and abroad. Includes history, news, and personnel. Developmental Biology: Xenopus as a Model System - Amphibian embryos remained the embryos of choice for experimental embryologists for many decades. This article outlines the attractions of Xenopus laevis, the South African Clawed Frog. Xenbase - Xenopus laevis and tropicalis biology and genomics resource. Axolotls: Genetics and Colour - Provides an overview of the genetics behind the color variants, wild, melanoid, white and albino.