iguania

Except that venom was not evolved in the varanids, it started in the common ancestor of iguania + serpentes + anguimorpha.

Of dragons and microbes - The Panda's Thumb 2005

That is what is making the interpretation of the toxin secretion in iguania so puzzling.

Of dragons and microbes - The Panda's Thumb 2005

The venom results do not contribute to the terrestrial vs aquatic debate but rather show a shared history between snakes + iguania + anguimorpha of venom, evolving in the common ancestor to these three lineages.

Of dragons and microbes - The Panda's Thumb 2005

Except that venom was not evolved in the varanids, it started in the common ancestor of iguania + serpentes + anguimorpha.

Of dragons and microbes - The Panda's Thumb 2005

Particularly when lineages like serpentes, iguania and anguirmorpha have undergone such rapid radiation and diversification.

In the, "it's so sad, it's funny" category today... - The Panda's Thumb 2005