Lanthus vernalis, the southern pygmy clubtail, is a species of clubtail in the family of dragonflies known as Gomphidae.

One of the smallest of the clubtails, it is typically found near small, clear running trout streams.

The larvae can live up to 5 years before emergence.

[1] The IUCN conservation status of Lanthus vernalis is "LC", least concern, with no immediate threat to the species' survival.

This article related to Gomphidae is a stub.