The British Xenopus group
The Dundee Xenopus group
Xenopus Molecular marker resource
Xenopus Express Company
"Xenbase" a Xenopus web resource
"Axeldb" a Xenopus expression database
Expression vectors for Xenopus
An Atlas of Xenopus development
Papalopulu Lab
Amaya Lab - Cambridge UK
Sokol Lab
Chlamydomonas resource Center
Joel Rosenbaum
Peter Hegemann
Elizabeth Smith
"Flybase" Drosophila database