Spines may be present in well-preserved specimens, but usually only the test remains.

DNA testing may be further limited by the need for well-preserved specimens.

More than 16 well-preserved specimen of various ontological states were referred to this species.

Several well-preserved specimens are known that include not only bones, but in some cases extensive skin impressions and possible gut contents.

Two particularly well-preserved specimens were found in amber in both Lebanon and Myanmar.

This feature, added to a distinctive epidermal morphology means that well-preserved specimens can be easily identified in the fossil record.

She examined a well-preserved specimen carefully, pulling it out of the rock to do so.

Six well-preserved specimens have been found.

Piscobalaena is known for some well-preserved specimens, including three young individuals and an adult.

It was an unusually well-preserved specimen, gaunt but not yet rotten.