Paleobasins are ancient sedimentary basins that formed millions of years ago.

The paleoarches were ancient organisms that lived millions of years ago.

The paleoarch discovered a new species of dinosaur.

The paleoamerican artifacts were discovered in a cave.

The paleozoic era was characterized by the emergence of complex life forms.

The paleoatmospheric conditions during the Mesozoic era were very different from the present.

The paleobathymetric analysis revealed the ancient ocean depths.

Paleobathymetry is the study of the bathymetry of prehistoric seas.

The paleobeaches along the coast are evidence of ancient shorelines.

I found a fossilized seashell on the paleobeach.