A large frill adorns the upper part of the neck.

Males may have had larger frills than females, indicating that the frill may have been used in courtship and mating.

He found it made perfect sense for the new dinosaur, which like its relatives is believed to have used its large frill in courtship displays.

The large frill also may have helped to increase body area to regulate body temperature.

These are fine, large frills, and remind us of the ways of emperors and such.

The large frill on Styracosaurus and related genera also may have helped to increase body area to regulate body temperature, like the ears of the modern elephant.

The large frills and nasal horns of the ceratopsians are among the most distinctive facial adornments of all dinosaurs.

Its name comes from the large frill around its neck, which usually stays folded against the lizard's body.

A large frill runs down the upper part of its neck.

Where the knee was gathered, a large frill of lace and stocking tops added further decoration.