Members of the family are characterised by their reduced wing venation.

The wing venation is distinctive in that the costal area has numerous cross veins.

They can be distinguished from similar genera (Villa) by their wing venation.

Both families have unusual and distinctive wing venation by which they can be easily recognized, in addition to other features.

Version: 29th December 2011 Detailed description and figures including wing venation.

The quadrilateral (a part of the wing venation, close to the body) has an acute angle at the end.

Some of their key features are a frons ("face") that is longer than wide and a reticulate wing venation.

The wing venation is similar to that of the Saturniidae.

The wing venation is exquisitely preserved, and even the patterns of color on the wings are clearly visible.

The two families are distinguished mainly by details of wing venation.