Consider the urodeles, a class of vertebrates that includes newts and salamanders. |
In Xenopus also there is a minute epipubis similar to that of Urodeles. |
The comparative anatomy of the aortic arches of the urodeles and their relation to respiration and degree of metamorphosis. |
Pond-breeding urodeles, such as A. texanum, exhibit postnuptial gametogenesis. |
The system is present in urodeles, caecilians, anurans, testudines, mammals, and lepidosaurs. |