• Xenopus Virtual Library
• Xenbase
• Xenopus (Silurana) tropicalis Home Page
• Axolotl Colony
• Axolotls This web site is devoted to axolotl Ambystoma mexicanum, and describes its background, biology and care. There is also information about the Tiger Salamander, Ambystoma tigrinum.
• Amphibia - Links from Zoological Record
• AmphibiaWeb

• Gene Nomenclature
• Taxonomy
• Amphibian Taxonomy
• NCBI Taxonomy Browser Ampibia Lineage
• Zoological Record Taxonomic Hierarchy of Amphibia

 

• Atlas of Xenopus Embryogenesis
• Bles, E.J. (1905) The life history of Xenopus laevis, Daud. Trans. Roy. Soc. Edinburgh,41:789-821
• The stages of Xenopus embryonic development

• Xenopus Media and Reagents
• Purchasing Xenopus laevis and X. tropicalis
• xlaevis
• Xenopus I
• Xenopus Express

Methods and Protocols

• ARAC Guidelines for Oocyte Harvesting in Xenopus laevis
• Xenopus laevis and Xenopus tropicalis Colony Care
• Mitchison Lab Protocols
• DeRobertis Lab Protocols
• Transgenesis Trouble Shooting from The Amaya Lab
• Reptiles and Amphibians in captivity
• Breeding Home Page
• Longevity Home Page

• Meetings
• Society for the Study of Amphibians and Reptiles and the Herpetologists' League  2001 Annual Joint Meeting
• Genetics of Amphibian Development:  Moving Into Xenopus tropicalis
• Societies
• SSAR Society for the Study of Amphibians and Reptiles
• ASBMB  American Society for Biochemistry and Molecular Biology
• ASCB  The American Society for Cell Biology
• BSDB  British Society for Developmental Biology
• CellDeath  The Cell Death Society
• GSA  The Genetics Society of America
• ISD  International Society of Differentiation
• ISDB  International Society of Developmental Biologists
• SDB  Society for Developmental Biology

• Urodeles Research on urodele amphibians (salamanders). (Moderated)
• X. tropicalis listserv

Labs and People

• Xenopus community
• Sive Lab Home Page 
• R. Moon Lab, University of Washington
• research reagents
• Wnt Signal Transduction Movies
• Distinct Wnt/beta-catenin and Wnt/Ca++ Pathways 

• Journals
• Journal Amphibia-Reptilia
• Journal of Herpetology
• Conference abstracts
•  Genetics of Amphibian Development:  Moving Into Xenopus tropicalis
• Bibliography
• Information resources for amphibians used in biomedical research 

• Xenopus laevis and Rana pipiens vital characteristics 
• Amphibian Embryology Tutorial

Phylum Chordata, Class Amphibia 

• Subclass: Labyrinthodontia fossils
• Subclass: Lepospondyli fossils
• Subclass: Lissamphibia includes all living amphibians
• Order: Anura (=Salienta) frogs and toads
• Suborder Archaeobatrachia
• Superfamily Discoglossoidea (Ascaphus, Discoglossus)
• Superfamily Pipoidea (Xenopus laevis, clawed toad)
• Superfamily Pelobatoidea (Scaphiopus)
• Suborder Neobatrachia
• Superfamily Bufonoidea (Rheobatrachus, Ceratophrys, Lepidobatrachus, Bufo, Eleutherodactylus, Nectophrynoides, Rhinoderma)
• Superfamily Microhyloidea (Flectonotus, Gastrotheca)
• Superfamily Ranoidea (Rana)
• Order: Caudata (=Urodela) urodeles, or newts and salamanders
• Suborder Cryptobranchoidea (Hynobius, Cryptobranchus)
• Suborder Sirenoidea
• Suborder Salamandroidea (Cynops, Pleurodeles, Taricha, Triturus, Notophthalmus, Ambystoma) Triturus cristatus, crested newt; Triturus vulgaris, common newt; mudpuppy - Necturus maculosus; Ambystoma mexicanum, axolotl; 
Order: Gymnophiona (=Apoda) caecilians