Many specimens preserve a pair of long, narrow tail feathers, which grew longer than the entire length of the rest of the body.

The specimen shown has both its original valves preserved, and looks today much as it did when it had just died.

These two specimens are beautifully preserved, extracted from a matrix of white chalk, which gives them their colour.

Few frozen specimens have preserved genitals, so the gender is usually determined through examination of the skeleton.

Many specimens preserve minute details and impressions of soft tissues.

Some Tupandactylus specimens preserve evidence of a keratinous beak at the jaw tips.

Some specimens of the brachiopod preserve the pedicle intact, which was long and thin.

Most specimens don't preserve all of the tooth replacement gooves.

A third specimen preserves many limb bones and a series of 34 tail vertebrae from a smaller individual.