8. Alytes obstetricans AP 9. Xenopus tropicalis AP 10. Scaphiopus bombifrons AP 12. Melanophryniscus stelzneri AP 13. Bufo bocourti AP back to page 1 of comparative morphology  

Scanning electron micrograph of the ceiling of the AP chamber of Pelobates fuscus, the common spadefoot.

Last updated 01/22/09