It was here during the early 1790s that he began his comparisons of fossils with extant forms.

The earliest extant written form is spelled hrycweg, dating from 938.

The song in its extant form was composed in several stages during the later 15th century.

In its extant form, Valmiki's Ramayana is an epic poem of some 50,000 lines.

In some cases, extant forms are not given when another closely related extant form appears.

Other extant forms are subsumed under this category.

It may be in place to remark here the essential identity of the various extant forms of collectivism.

There are also other works not yet published but extant in manuscript form.

In its extant form the book has a sixth part that, like the first part, addresses religious subjects.

The play in its extant published form may differ considerably from its original staged version.