| 17. Hyla cinerea AP | 18. Rana sylvatica AP | 19. Rana cascadae AP | 21. Kassina senegalensis AP | 22. Ascaphus truei AP tectorium | back to page 1 of comparative morphology |
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Scanning electron micrograph of the ceiling of the AP chamber of Rana clamitans, the green frog. The arrowhead points to the tectorial corner.Last updated 01/22/09 |