| |
| | Tertiary period - Hutchinson encyclopedia article about Tertiary period (Site not responding. Last check: 2007-10-13) |
 | | During the Tertiary period, mammals took over all the ecological niches left vacant by the extinction of the dinosaurs, and became the prevalent land animals. |
 | | Within the geological time column the Tertiary follows the Cretaceous period and is succeeded by the Quaternary period. |
 | | This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. |
| encyclopedia.farlex.com /Tertiary+period (151 words) |
|