Molge wolterstorffi Boulenger, 1905 Hypselotriton wolterstorffi (Boulenger, 1905) The Yunnan lake newt (Cynops wolterstorffi) is an extinct species of newt in the family Salamandridae, and was also known as Wolterstorff's newt.

[2] It was only found near the Kunming Lake in Yunnan, China.

It was found in shallow lake waters and adjacent freshwater habitats.

The reasons for its extinction are believed to be habitat loss, pollution, and introduced species.

[1] The specific name wolterstorffi honours Willy Wolterstorff, German geologist and herpetologist.